Quick Fit Check
The CNHL Innovation RC Extreme Series 12500mAh 7.4V 2S 120C LiPo Battery with QS8 Plug is a large-format 2S high-capacity battery designed for RC users who want maximum runtime, strong current delivery, and a heavier-duty connector system than standard packs usually provide. It is best suited to surface RC applications already built around a 2S power system with enough room for a larger battery layout.
Before ordering, check four things first: your vehicle should support 2S voltage, the battery area should fit this pack’s dimensions, the power system should match a QS8 connector, and the chassis should be comfortable with a battery weighing about 616g. If those points line up, this battery can be a very strong choice for users who want one of the largest and longest-running 2S options in this class.
Product Specifications
| Capacity |
12500mAh |
| Voltage (S/cell) |
7.4V / 2S2P / 2 Cell |
| Discharge Rate (Continuous/Burst) |
120C / 240C |
| Output Connector |
QS8 Plug |
| Dimensions (L × W × H) |
164 × 45 × 38 mm |
| Weight |
Approx. 616g |
| Charge Rate |
5C Max |
| Balance Connector |
JST-XH-3P |
| Wire Gauge |
7 AWG |
| Stock Number |
12501202QS8 |
What Makes This 12500mAh 2S Battery Different
Most 2S LiPo batteries are built for more ordinary RC use, where moderate capacity and smaller connectors are enough. This battery belongs to a very different category. A 12500mAh 2S LiPo with QS8 is designed for users who want exceptionally long runtime and much stronger current capability than a standard 2S pack can provide.
The most obvious difference is capacity. At 12500mAh, this battery is aimed at users who want fewer pack changes and more usable time per session. It is built for setups where battery endurance is part of the goal, not just a side benefit. The QS8 connector and 7 AWG wire reinforce that positioning by making it clear this is a more serious power-system battery, not a basic replacement pack.
The 120C discharge rate matters as well. On heavy-load 2S builds, a weaker battery can start to feel soft or inconsistent when the system is pushed harder. This pack is intended for users who want 2S voltage but still expect a more authoritative and stable feel under load.
Applications
This battery is best suited to high-capacity 2S surface RC applications, especially where maximum runtime, strong current support, and a large-format battery layout are already part of the intended setup. It can make sense in modified trucks, endurance-style builds, heavier 2S platforms, and other RC applications where the user deliberately chooses 2S but still wants far more usable energy than a conventional pack can offer.
Because of its QS8 connector, heavier weight, and extra thickness, this battery is best viewed as a specialty 2S option rather than a general-purpose replacement battery. It fits most naturally in builds where battery size, connector type, and overall balance have already been planned around a large-capacity pack.
That is really the role of this product. It is not trying to be the most universal 2S battery in the lineup. It is designed for users who specifically want a bigger, longer-running, higher-current 2S solution.
Part of the CNHL Innovation RC Extreme Series
This battery is part of the CNHL Innovation RC Extreme Series, the most powerful battery platform CNHL has made to date. Built around speedrun-focused power delivery, heavy-duty wire, and QS8 hardware, this series is aimed at advanced RC users who need stronger current transfer and less compromise in extreme high-load setups.
It is not positioned as a general-purpose pack for casual use. The Innovation RC Extreme Series is better suited to serious speedrun cars, drag-style builds, and other demanding RC platforms where connector quality, solder integrity, and total system resistance all play a real role in performance.
Important Notice for High-Power Use
For proper power transfer, this battery should be used with appropriate high-current connector hardware such as QS8, 8mm bullets, or larger ESC-side connectors. All solder work must be solid, as every soldered connection matters in extreme current applications.
For maximum performance, experienced users may cycle the pack 2 to 3 times and warm it to around 105-110°F before hard running. This battery is intended for advanced use. Please use at your own risk.
Where This Battery Makes the Most Sense
This battery makes the most sense in RC setups that are intentionally built around larger 2S packs, especially where runtime, power consistency, and connector strength matter more than keeping the battery compact and light. Users looking at a battery in this class are usually choosing a specific setup direction on purpose rather than replacing a standard pack.
That is why fitment matters so much here. With a battery this size, the key checks are not just voltage, but also tray length, battery height, total weight, and connector format. For the right setup, the extra capacity can be a clear advantage. For the wrong setup, it is simply more battery than the chassis needs.
Size and Weight Overview
Best Use Case
This product is best for RC users who already know they want a large-format 2S battery and are building around that requirement intentionally. That usually means prioritizing maximum runtime, high current capability, and a power system that can make proper use of the QS8 connector.
If the goal is simply to find a normal 2S replacement battery for a standard tray, smaller and more conventional options usually make more sense. But if the setup is intentionally moving toward the biggest practical 2S direction in this connector class, this battery fills that role very clearly.
FAQ
What kind of setup is this battery best for?
It is best for larger or custom-fit 2S surface RC setups where maximum runtime, strong discharge capability, and a high-current QS8 connector are part of the intended power system.
What is the main advantage of this battery?
The main advantages are very high capacity, strong current delivery, and a serious connector format. It is designed for users who want one of the largest and longest-running 2S solutions in this class.
How is it different from the 10500mAh version?
This version offers even more capacity, but it is also heavier and thicker. It is the more extreme option for users who want maximum runtime from a large-format 2S QS8 battery.
What should I confirm before buying?
Check voltage, connector type, battery dimensions, and total weight first. With a battery in this size class, physical fitment and overall vehicle balance are just as important as electrical compatibility.
Package Includes
1 × CNHL Innovation RC Series 12500mAh 7.4V 2S 120C LiPo Battery with QS8 Plug
Notice
- Please confirm voltage, connector type, battery tray size, and acceptable weight range before purchase.
- Manual measurement may result in slight size differences.
- Please stop charging immediately if the battery behaves abnormally during charging.
- Check the battery surface, connector, and cell voltage before first use.
- If a new battery does not seem to deliver full performance initially, use a proper balance charger and complete several normal charge and discharge cycles.
- Always follow standard LiPo safety procedures during charging, storage, and transport.
Maan tai alueen on vastattava toimitusvarastoa
US-varasto
Yhdysvaltain varastosta tilaukset lähetetään yleensä 1-2 työpäivän kuluessa. Tilaukset lähetetään vain Yhdysvaltoihin USPS-palvelun kautta (ilmainen toimitus yli $79 tilauksissa), toimitusaika on 3-7 työpäivää.
EU-varasto
EU-varasto: tilaukset lähetetään yleensä 1–2 työpäivän kuluessa, toimitusaika on 5–10 työpäivää.
UK-varasto
UK-varasto: tilaukset lähetetään yleensä 1–2 työpäivän kuluessa. Tilaukset lähetetään vain Yhdistyneeseen kuningaskuntaan Yodel/Hermes/DPD -palvelun kautta (ilmainen toimitus yli 69 $ tilauksissa). Toimitusaika on 3–7 työpäivää.
Joillekin alueille, mukaan lukien Highlands & Islands, Channel Islands, Pohjois-Irlanti, Isle of Man ja Isle of Wight, saatetaan periä lisätoimitusmaksuja.
AU-varasto
AU-varasto: tilaukset lähetetään yleensä 1–2 työpäivän kuluessa. Tilaukset lähetetään vain Australiaan AU Post -palvelun kautta (ilmainen toimitus yli 79 $ tilauksissa). Toimitusaika on 3–7 työpäivää.
CA-varasto
CA-varasto: tilaukset lähetetään yleensä 1–2 työpäivän kuluessa. Tilaukset lähetetään vain Kanadaan Amazon UPS/FedEx/CA Post -palvelun kautta (ilmainen toimitus yli 99 $ tilauksissa). Toimitusaika on 3–7 työpäivää.
Globaali varasto
Globaali varasto: tilaukset lähetetään yleensä tavallisella toimituksella 4–5 työpäivän kuluessa, ja toimitusaika on 15–25 päivää.
