{"product_id":"cnhl-12700mah-14-4v-4s-21700-li-ion-battery-xt90","title":"CNHL Long Range Series 12700mAh 14.4V 4S 21700 Li-ion Battery with XT90 Plug","description":"\u003cp style=\"font-size:16px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003e\u003cstrong\u003eThe CNHL Long Range Series 12700mAh 14.4V 4S2P 21700 Li-ion battery combines eight BAK 65E high-energy cells into a 182.88Wh battery pack for larger RC airplanes, fixed-wing aircraft and endurance-oriented UAV systems using XT90.\u003c\/strong\u003e The BAK 65E platform is built around exceptional stored energy and gravimetric energy density, while the 2P architecture allows electrical load to be shared across two cells in each parallel group.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eAt approximately 630.5g for the pictured production sample, the complete battery achieves approximately \u003cstrong\u003e290Wh\/kg of finished-pack energy density\u003c\/strong\u003e. This figure includes all eight 21700 cells, pack construction, XT90 connector, 12AWG power leads and balance wiring rather than describing the bare cells alone.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eThis XT90 configuration is positioned primarily for efficient fixed-wing and UAV platforms where stored energy, operating time and energy-to-weight performance matter more than repeated extreme burst output. XT90 matches a different aircraft connector ecosystem; it does not increase the fundamental capability of the BAK 65E cells compared with the corresponding XT60 version.\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003eQuick Battery Fit \u0026amp; Performance Check\u003c\/h2\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:14px 0 18px;font-size:14px;line-height:1.55;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"width:34%;background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eBattery Type\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e21700 Li-ion battery pack\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCell Platform\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003eBAK 65E\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eConfiguration\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e4S2P \/ 8 cells\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCapacity\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003e12700mAh\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNominal Voltage\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003e14.4V\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNominal Pack Energy\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003e182.88Wh\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eApprox. Weight\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003eApprox. 630.5g\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eApprox. Pack Energy Density\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eApprox. 290Wh\/kg\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eMain Connector\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003eXT90\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003ePower Wire\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e12AWG\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003ePerformance Direction\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eEnergy First \/ Maximum Endurance\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003ePrimary Applications\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003eLarge RC airplanes, fixed-wing UAVs, mapping, surveying and endurance platforms\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003eProduct Specifications\u003c\/h2\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:14px 0 18px;font-size:14px;line-height:1.55;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"width:34%;background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eSKU\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003eLI1270104S70XT90\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eSeries\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003eCNHL Long Range Series\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eChemistry\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003eRechargeable Li-ion\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCell Format\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e21700\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCell Model\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003eBAK 65E\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eConfiguration\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e4S2P \/ 8 cells\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCapacity\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e12700mAh\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNominal Voltage\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e14.4V\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNominal Pack Energy\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003e182.88Wh\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eMain Connector\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003eXT90\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eMain Power Wire\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e12AWG\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eApprox. Dimensions\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e147 × 43.5 × 44.5mm (5.79 × 1.71 × 1.75in)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eApprox. Weight\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e630.5g \/ 1.39lb\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eApprox. Pack Energy Density\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eApprox. 290Wh\/kg\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003e182.88Wh at Only About 630.5g\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThe standout characteristic of LI1270104S70XT90 is the amount of stored energy available relative to finished battery mass. With \u003cstrong\u003e182.88Wh at approximately 630.5g\u003c\/strong\u003e, the battery reaches approximately \u003cstrong\u003e290Wh\/kg\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThis is a complete-pack value rather than a bare-cell calculation. It includes all eight BAK 65E cells, the XT90 connector, 12AWG power leads, balance wiring and physical battery structure that the aircraft actually carries.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eFor fixed-wing and UAV applications, this energy-to-weight relationship is particularly important because battery mass directly affects aircraft weight, payload margin and propulsion efficiency.\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003eApprox. 290Wh\/kg Finished-Pack Energy Density\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eHigh gravimetric energy density is the defining advantage of the BAK 65E platform. Even after eight cells are assembled into a complete 4S2P battery with an XT90 connector and 12AWG wiring, LI1270104S70XT90 retains approximately \u003cstrong\u003e290Wh\/kg at the finished-pack level\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThat makes energy density a primary performance feature rather than simply another specification. Efficient aircraft can carry substantially more stored energy without battery mass increasing at the same rate.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eActual flight or mission endurance still depends on aircraft efficiency, propulsion setup, payload, wind, operating profile and usable depth of discharge.\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003e27% More Energy with Only About 11% More Weight\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThe advantage of the BAK 65E platform becomes especially clear when this battery is compared with the corresponding CNHL 10000mAh BAK 50D 4S2P XT90 battery.\u003c\/p\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:14px 0 18px;font-size:14px;line-height:1.55;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"width:26%;background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eSpecification\u003c\/td\u003e\n      \u003ctd style=\"width:37%;background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003e10000mAh 50D 4S2P XT90\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;font-weight:700;\"\u003e12700mAh 65E 4S2P XT90\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePack Energy\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e144Wh\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003e182.88Wh\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eApprox. Weight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e568.5g\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003e630.5g\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePack Wh\/kg\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003eApprox. 253Wh\/kg\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eApprox. 290Wh\/kg\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"background:#E60073;color:#fff;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCell Direction\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003ePower + Energy Balance\u003c\/td\u003e\n      \u003ctd style=\"background:#f2f2f2;color:#333;padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eEnergy First \/ Maximum Endurance\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThe BAK 65E version stores \u003cstrong\u003e27% more nominal energy\u003c\/strong\u003e, while the pictured finished-pack weight increases by only approximately \u003cstrong\u003e10.9%\u003c\/strong\u003e. This produces approximately \u003cstrong\u003e14.5% higher finished-pack gravimetric energy density\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eThis is why the 12700mAh battery represents a different optimization target rather than simply a higher-capacity version: \u003cstrong\u003esubstantially more mission energy for every kilogram of battery carried.\u003c\/strong\u003e\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003ePowered by BAK 65E – Energy First \/ Maximum Endurance\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThe BAK 65E is the high-energy platform within the CNHL 21700 Long Range Series. Its defining advantage is high stored energy relative to cell mass rather than maximizing extreme burst-current capability.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThis design direction is particularly attractive for efficient fixed-wing aircraft and UAVs. Once the aircraft is established in cruise, propulsion demand can be relatively modest, allowing more of the available 182.88Wh to be converted into useful range and operating time.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eFor systems with greater sustained or repeated high-current demand, the BAK 50D Power + Energy Balance platform may remain the more appropriate direction.\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003e12700mAh 4S2P High-Energy Architecture\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eEight BAK 65E cells are arranged as \u003cstrong\u003e4S2P\u003c\/strong\u003e. Four series groups establish the 14.4V nominal battery platform, while two 6350mAh cells operate in parallel within each group to create a total pack capacity of \u003cstrong\u003e12700mAh\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThe 2P architecture also allows electrical load to be shared between two cells within each parallel group. This provides greater current-sharing capability than a corresponding 4S1P 65E pack while preserving the high-energy character of the cell platform.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eThe trade-off is additional size and mass, so this battery is best suited to larger aircraft capable of converting the extra stored energy into useful operating time.\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003eMaximum-Endurance 4S Li-ion Battery for RC Airplanes\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThis XT90 configuration is positioned primarily for \u003cstrong\u003elarger efficient RC airplanes and fixed-wing aircraft where long flight duration is a major design priority\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eLarge gliders, sailplanes, endurance-oriented utility aircraft and other fixed-wing platforms can benefit from the combination of 182.88Wh total energy and approximately 290Wh\/kg finished-pack energy density when their propulsion requirements remain appropriate for the BAK 65E platform.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eBrowse additional options in the \u003ca href=\"https:\/\/chinahobbyline.com\/collections\/li-ion-airplane-batteries\" style=\"color:#E60073;text-decoration:underline;font-weight:700;\"\u003eCNHL Li-ion batteries for RC airplanes and fixed-wing aircraft\u003c\/a\u003e collection.\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003eHigh-Energy Battery for Fixed-Wing UAVs\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eFixed-wing UAVs are one of the strongest application directions for this battery because aerodynamic efficiency can allow a large portion of its 182.88Wh energy reserve to be converted into useful mission range and operating time.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eMapping, inspection, surveying and long-duration aerial-imaging platforms can benefit from the combination of high total energy, approximately 290Wh\/kg finished-pack energy density and 2P parallel load sharing when the aircraft is designed around the battery's size and mass.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eExplore additional mission-oriented products in the \u003ca href=\"https:\/\/chinahobbyline.com\/collections\/li-ion-uav-batteries\" style=\"color:#E60073;text-decoration:underline;font-weight:700;\"\u003eCNHL Li-ion UAV battery collection\u003c\/a\u003e.\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003eA Strong Direction for Mapping and Survey Aircraft\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eMapping and survey aircraft often prioritize predictable cruise efficiency, mission duration and useful energy carried per kilogram. These requirements align closely with the Energy First philosophy of the BAK 65E platform.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eThe nearly 183Wh energy reserve allows appropriately sized fixed-wing UAVs to carry substantial mission energy without moving immediately to even larger 3P battery architectures.\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003eAlso Suitable for Large FPV Wings\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eAlthough this XT90 version is positioned primarily toward conventional fixed-wing and UAV systems, large FPV wings using XT90 can also make effective use of its high energy density and 182.88Wh total energy.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eThe deciding factors are battery-bay dimensions, installed weight, center of gravity, launch current and cruise efficiency rather than connector type alone.\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003eXT90 Connector with 12AWG Power Leads\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eLI1270104S70XT90 uses an \u003cstrong\u003eXT90 main connector with 12AWG power leads\u003c\/strong\u003e, making it a natural configuration for larger fixed-wing aircraft and UAV systems already standardized around XT90.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThe corresponding XT60 and XT90 versions use the same BAK 65E cells and 4S2P architecture. XT90 therefore does not increase the fundamental electrical capability of the battery cells.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003e\u003cstrong\u003eChoose XT90 because it matches the aircraft's electrical installation, not because it represents a higher-power version of the battery.\u003c\/strong\u003e\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003e147 × 43.5 × 44.5mm High-Energy Pack\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThe finished battery measures approximately \u003cstrong\u003e147 × 43.5 × 44.5mm\u003c\/strong\u003e. Its elongated configuration allows eight 21700 cells to be packaged into a relatively narrow 4S2P form.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eMeasure the usable battery compartment before purchase and leave additional clearance for the XT90 connector, 12AWG power leads, balance wiring, securing straps and cooling airflow. For fixed-wing aircraft, verify the final center of gravity with the complete 630.5g battery installed in its intended position.\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003ePart of the CNHL 4S 21700 Long Range Platform\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThis battery belongs to the \u003ca href=\"https:\/\/chinahobbyline.com\/collections\/4s-21700-li-ion-batteries\" style=\"color:#E60073;text-decoration:underline;font-weight:700;\"\u003eCNHL 4S 21700 Li-ion battery range\u003c\/a\u003e, where 5000mAh, 6350mAh, 10000mAh and 12700mAh configurations provide different balances of energy, pack mass and parallel load sharing.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eIt is also part of the \u003ca href=\"https:\/\/chinahobbyline.com\/collections\/cnhl-long-range-series\" style=\"color:#E60073;text-decoration:underline;font-weight:700;\"\u003eCNHL Long Range Series\u003c\/a\u003e, built around endurance-focused cylindrical Li-ion battery technology.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eFor broader comparison, explore all \u003ca href=\"https:\/\/chinahobbyline.com\/collections\/21700-li-ion-batteries\" style=\"color:#E60073;text-decoration:underline;font-weight:700;\"\u003eCNHL 21700 Li-ion batteries\u003c\/a\u003e or the complete \u003ca href=\"https:\/\/chinahobbyline.com\/collections\/li-ion-batteries\" style=\"color:#E60073;text-decoration:underline;font-weight:700;\"\u003eCNHL Li-ion battery range\u003c\/a\u003e.\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003eCharging and Battery Safety\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eUse charging equipment and settings appropriate for the exact finished BAK 65E Li-ion battery specification. Follow the final published charge-voltage and charge-current limits for this pack rather than assuming that settings from another Li-ion, LiPo or LiHV battery are interchangeable.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThe BAK 65E is an energy-focused cell platform. Do not interpret the 12700mAh capacity, 182.88Wh stored energy or approximately 290Wh\/kg finished-pack energy density as evidence of extreme burst-current capability.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThe 2P architecture provides parallel load sharing, but finished-pack capability still depends on the cells, internal connections, 12AWG wiring, XT90 connector, cooling, battery temperature and load duration.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eMonitor actual propulsion current and battery temperature during initial aircraft setup under realistic operating conditions before relying on the battery for extended-duration flights or missions.\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:18px;font-weight:700;margin:24px 0 10px;color:#000;border-bottom:1px solid #eee;padding-bottom:6px;\"\u003eFAQ: CNHL 12700mAh 4S 21700 Li-ion Battery with XT90\u003c\/h2\u003e\n\n\u003ch3 style=\"font-size:15px;font-weight:bold;margin:14px 0 8px;color:#000;\"\u003eWhat cells are used in this battery?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThe battery uses eight BAK 65E 6350mAh high-energy 21700 Li-ion cells arranged in a 4S2P configuration.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:15px;font-weight:bold;margin:14px 0 8px;color:#000;\"\u003eWhy is the pack capacity 12700mAh?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eTwo 6350mAh cells operate in parallel within each series group, producing a total pack capacity of 12700mAh while four series groups establish the 4S voltage platform.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:15px;font-weight:bold;margin:14px 0 8px;color:#000;\"\u003eHow much nominal energy does this battery store?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eWith a 14.4V nominal pack rating and 12700mAh capacity, nominal stored energy is \u003cstrong\u003e182.88Wh\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:15px;font-weight:bold;margin:14px 0 8px;color:#000;\"\u003eWhat is the finished-pack energy density?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eBased on 182.88Wh of nominal energy and the pictured production sample weight of approximately 630.5g, calculated finished-pack gravimetric energy density is approximately \u003cstrong\u003e290Wh\/kg\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:15px;font-weight:bold;margin:14px 0 8px;color:#000;\"\u003eHow does it compare with the 10000mAh BAK 50D 4S2P XT90 battery?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThe 12700mAh BAK 65E version stores 27% more nominal energy while the pictured finished-pack weight increases by only about 10.9%. This gives the 65E battery approximately 14.5% higher finished-pack energy density, while the BAK 50D remains the more power-and-energy-balanced cell direction.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:15px;font-weight:bold;margin:14px 0 8px;color:#000;\"\u003eIs this battery intended for RC airplanes?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eYes. Larger efficient fixed-wing RC airplanes are one of the primary application directions for this XT90 version, particularly where endurance and energy-to-weight performance are more important than repeated high-current output.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:15px;font-weight:bold;margin:14px 0 8px;color:#000;\"\u003eCan it be used in fixed-wing UAVs?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eYes. Mapping, surveying, inspection and other long-duration fixed-wing UAV applications are strong directions when the airframe is compatible with the battery's voltage, dimensions, installed mass and electrical capability.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:15px;font-weight:bold;margin:14px 0 8px;color:#000;\"\u003eIs the XT90 version more powerful than the XT60 version?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eNo. Both products use the same BAK 65E cells and 4S2P architecture. XT90 changes the connector ecosystem and slightly increases finished pack weight, but does not increase the fundamental electrical capability of the cells.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:15px;font-weight:bold;margin:14px 0 8px;color:#000;\"\u003eDoes 12700mAh mean it has more discharge power than the 10000mAh BAK 50D version?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eNo. The larger capacity comes from the high-energy BAK 65E platform. Higher capacity and higher energy density should not be interpreted as greater discharge capability than the more power-oriented BAK 50D platform.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:15px;font-weight:bold;margin:14px 0 8px;color:#000;\"\u003eWhat are the dimensions and weight?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0 0 14px;color:#333;\"\u003eThe pictured production battery measures approximately 147 × 43.5 × 44.5mm and weighs approximately 630.5g.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:15px;font-weight:bold;margin:14px 0 8px;color:#000;\"\u003eWhat connector and wire does it use?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.75;margin:0;color:#333;\"\u003eLI1270104S70XT90 uses an XT90 main power connector with 12AWG power leads.\u003c\/p\u003e","brand":"ChinaHobbyLine","offers":[{"title":"US","offer_id":50390839754966,"sku":"LI1270104S70XT90 US","price":159.99,"currency_code":"USD","in_stock":false},{"title":"Global","offer_id":50390839853270,"sku":"LI1270104S70XT90 GL","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0617\/0582\/files\/1_8fba5252-5209-4cba-b5ec-21cbcae2b056.jpg?v=1790062735","url":"https:\/\/chinahobbyline.com\/he\/products\/cnhl-12700mah-14-4v-4s-21700-li-ion-battery-xt90","provider":"ChinaHobbyLine","version":"1.0","type":"link"}