{"product_id":"hobbywing-seaking-pro-70a-g2-brushless-marine-esc","title":"Hobbywing SeaKing Pro 70A G2 Brushless Marine ESC 2-4S LiPo","description":"\u003cstyle\u003e\n.cnhl-esc-content {\n  line-height: 1.7;\n  color: #222;\n}\n\n.cnhl-esc-content h2 {\n  font-size:18px;\n  font-weight:700;\n  margin:24px 0 10px;\n  color:#000;\n  border-bottom:1px solid #eee;\n  padding-bottom:6px;\n}\n\n.cnhl-esc-content h3 {\n  font-size:15px;\n  font-weight:bold;\n  margin:14px 0 8px;\n  color:#000;\n}\n\n.cnhl-esc-table-wrap {\n  width:100%;\n  overflow-x:auto;\n  -webkit-overflow-scrolling:touch;\n  margin:14px 0 20px;\n}\n\n.cnhl-esc-table {\n  width:100%;\n  min-width:620px;\n  border-collapse:collapse;\n  font-size:14px;\n  line-height:1.5;\n}\n\n.cnhl-esc-table th,\n.cnhl-esc-table td {\n  padding:10px 12px;\n  border:1px solid #ddd;\n  text-align:left;\n  vertical-align:top;\n}\n\n.cnhl-esc-table th {\n  width:34%;\n  background:#E60073;\n  color:#fff;\n  font-weight:700;\n}\n\n.cnhl-esc-table td {\n  background:#f2f2f2;\n}\n\n.cnhl-fit-box {\n  background:#f7f7f7;\n  padding:14px 16px;\n  margin:16px 0;\n  border-left:4px solid #E60073;\n  font-size:14px;\n  line-height:1.65;\n}\n\n.cnhl-img {\n  margin:20px 0;\n  text-align:left;\n}\n\n.cnhl-img img {\n  width:auto;\n  height:auto;\n  max-width:100%;\n  display:block;\n}\n\n.cnhl-esc-link {\n  color:#E60073;\n  text-decoration:underline;\n}\n\u003c\/style\u003e\n\n\u003cdiv style=\"font-family:Arial,Helvetica,sans-serif;color:#222;line-height:1.75;font-size:15px;\"\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHobbywing SeaKing Pro 70A G2 Brushless Marine ESC\u003c\/strong\u003e brings competition-focused throttle control to compact RC racing boats. With 70A continuous output, support for 2-4S LiPo batteries, adjustable Turbo Timing, and a lightweight 35g design, it is developed for Mini Mono, Mini ECO, and Mini Hydro applications where precise power delivery matters.\u003c\/p\u003e\n\n\u003cp\u003eIts switch-mode BEC, adjustable PWM frequency, Freewheeling function, and optional OTA data monitoring give racers greater flexibility when tuning their marine power systems.\u003c\/p\u003e\n\n\n\n\u003cdiv style=\"background:#fff5fa;border-left:4px solid #e60073;padding:16px 18px;margin:24px 0;border-radius:4px;\"\u003e\n\u003ch2 style=\"font-size:19px;font-weight:700;color:#111;margin:0 0 12px;\"\u003eQuick Fit Check\u003c\/h2\u003e\n\n\u003cp style=\"margin:5px 0;\"\u003e\u003cstrong\u003eESC Model:\u003c\/strong\u003e Hobbywing SeaKing Pro 70A G2\u003c\/p\u003e\n\u003cp style=\"margin:5px 0;\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 30302560\u003c\/p\u003e\n\u003cp style=\"margin:5px 0;\"\u003e\u003cstrong\u003eBattery:\u003c\/strong\u003e 2S-4S LiPo\u003c\/p\u003e\n\u003cp style=\"margin:5px 0;\"\u003e\u003cstrong\u003eMotor:\u003c\/strong\u003e Sensorless brushless motor\u003c\/p\u003e\n\u003cp style=\"margin:5px 0;\"\u003e\u003cstrong\u003eCurrent:\u003c\/strong\u003e 70A continuous \/ 200A peak\u003c\/p\u003e\n\u003cp style=\"margin:5px 0;\"\u003e\u003cstrong\u003eMain Applications:\u003c\/strong\u003e Mini Mono, Mini ECO, Mini Hydro\u003c\/p\u003e\n\u003cp style=\"margin:5px 0;\"\u003e\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP55\u003c\/p\u003e\n\u003cp style=\"margin:5px 0;\"\u003e\u003cstrong\u003eESC Dimensions:\u003c\/strong\u003e 38.5 × 30 × 8.4mm (L × W × H)\u003c\/p\u003e\n\u003cp style=\"margin:5px 0;\"\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 35g without water-cooling fittings\u003c\/p\u003e\n\u003cp style=\"margin:10px 0 0;font-size:13px;color:#555;\"\u003e\u003cstrong\u003eInstallation note:\u003c\/strong\u003e Check available mounting space, motor current requirements, cooling arrangement, and connector compatibility before installation. The specified ESC dimensions exclude the water-cooling port and capacitor extension.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\n\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:32px 0 14px;border-bottom:2px solid #e60073;padding-bottom:8px;\"\u003eHobbywing SeaKing Pro 70A G2 Specifications\u003c\/h2\u003e\n\n\u003ctable style=\"width:100%;border-collapse:separate;border-spacing:0 8px!important;font-size:14px;line-height:1.5;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"width:36%;background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eProduct Number\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003e30302560\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eESC Type\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003eBrushless, Sensorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eContinuous \/ Peak Current\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003e70A \/ 200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eInput Voltage\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003e2-4S LiPo\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eBEC Output\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003eSwitch-mode 6V \/ 7.4V \/ 8.4V, 5A continuous, 10A peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eWater Resistance\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003eIP55\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eDimensions (L × W × H)\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003e38.5 × 30 × 8.4mm (excluding water-cooling port and capacitor extension)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003e35g (without water-cooling fittings)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eWater-Cooling Port\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003e2.0mm inner \/ 4.0mm outer diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eBattery Input Wires\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003e14AWG, 100mm (1 red + 1 black)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eMotor Output Wires\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003e16AWG, 80mm × 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eBattery Connector\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003eNot pre-installed\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eMotor Connectors\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003e4.0mm female bullet connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eProgramming\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003eLED Program Box, LCD Program Box Pro\/G2, OTA Programmer\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eProgrammable Parameters\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003e14 settings, including Turbo Timing, PWM frequency, Punch, Freewheeling, and BEC voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eData Recording\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003eExtreme-value recording; real-time and historical graph data with optional OTA module\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eFirmware Upgrade\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003eSupported via compatible LCD Program Box Pro\/G2 or OTA Programmer\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"background:#e60073;color:#fff;font-weight:700;padding:12px;\"\u003eRecommended Application\u003c\/td\u003e\n\u003ctd style=\"background:#f2f2f2;padding:12px;\"\u003eMini Mono, Mini ECO, Mini Hydro racing boats\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:34px 0 12px;border-bottom:1px solid #ddd;padding-bottom:8px;\"\u003eBuilt for Mini RC Boat Competition\u003c\/h2\u003e\n\n\u003cp\u003eIn compact racing boats, ESC dimensions and weight can be just as important as outright current capability. The SeaKing Pro 70A G2 combines a slim controller body with a 70A continuous current rating, helping builders accommodate a capable power system within the limited space available in mini racing hulls.\u003c\/p\u003e\n\n\u003cp\u003eAt just 8.4mm in specified body height, its compact profile provides useful flexibility for mounting arrangements. The 35g specified weight also makes it a practical option where the overall power-system weight and boat balance need careful consideration.\u003c\/p\u003e\n\n\u003cp\u003eIts primary applications include:\u003c\/p\u003e\n\n\u003cul style=\"padding-left:22px;margin:12px 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eMini Mono:\u003c\/strong\u003e Compact monohull racing setups requiring responsive throttle control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMini ECO:\u003c\/strong\u003e Racing applications where power-system efficiency and controlled current delivery matter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMini Hydro:\u003c\/strong\u003e Lightweight hydroplane racing configurations with demanding acceleration and handling requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eESC selection should also consider the motor, propeller, battery voltage, drivetrain load, and available cooling capacity.\u003c\/p\u003e\n\n\n\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:34px 0 12px;border-bottom:1px solid #ddd;padding-bottom:8px;\"\u003eTurbo Acceleration with AUX Channel Control\u003c\/h2\u003e\n\n\u003cp\u003eOne of the distinguishing features of the SeaKing Pro 70A G2 is its programmable \u003cstrong\u003eTurbo Timing\u003c\/strong\u003e function. Instead of relying only on conventional throttle and timing adjustments, the ESC allows racers to activate additional motor timing through an auxiliary channel on the radio system.\u003c\/p\u003e\n\n\u003cp\u003eThe dedicated yellow signal wire connects to an available AUX channel on the receiver. A compatible transmitter switch or control can then activate or deactivate the configured Turbo Timing function during operation.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#f7f7f7;padding:15px 18px;margin:18px 0;border-left:3px solid #e60073;\"\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eTurbo Tuning Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eProgrammable Turbo Timing\u003c\/li\u003e\n\u003cli\u003eAdjustable Turbo Increase Rate\u003c\/li\u003e\n\u003cli\u003eTransmitter AUX channel activation\u003c\/li\u003e\n\u003cli\u003eAdditional control over acceleration characteristics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eTurbo Timing changes motor operating timing rather than increasing the battery voltage. Higher timing settings can increase electrical load and heat, so the motor, propeller, and cooling system must be considered together when tuning for competition.\u003c\/p\u003e\n\n\n\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:34px 0 12px;border-bottom:1px solid #ddd;padding-bottom:8px;\"\u003eAdjustable 5A Switch-Mode BEC\u003c\/h2\u003e\n\n\u003cp\u003eThe integrated switch-mode BEC delivers \u003cstrong\u003e5A continuous current with up to 10A peak output\u003c\/strong\u003e, providing power for the receiver and steering servo without requiring a separate receiver battery in a standard installation.\u003c\/p\u003e\n\n\u003cp\u003eSelectable output voltages of 6V, 7.4V, and 8.4V provide flexibility for different servo and receiver configurations.\u003c\/p\u003e\n\n\u003cul style=\"padding-left:22px;margin:12px 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e6V:\u003c\/strong\u003e Commonly used with standard-voltage servo systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7.4V:\u003c\/strong\u003e Available for compatible high-voltage equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8.4V:\u003c\/strong\u003e Available for receiver and servo systems specifically rated for the higher voltage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-size:13px;color:#555;\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Always verify both receiver and servo voltage ratings before selecting a higher BEC output. Do not exceed the voltage rating of the connected electronics.\u003c\/p\u003e\n\n\n\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:34px 0 12px;border-bottom:1px solid #ddd;padding-bottom:8px;\"\u003ePrecision Throttle Tuning \u0026amp; Freewheeling\u003c\/h2\u003e\n\n\u003cp\u003eThe SeaKing Pro 70A G2 provides adjustable PWM drive frequency, Punch, Initial Throttle Force, motor Timing, and Freewheeling settings, allowing users to tailor throttle response to different racing conditions.\u003c\/p\u003e\n\n\u003cp\u003eLower PWM drive frequencies generally produce a more aggressive initial response, while higher settings can provide smoother acceleration. The most suitable setting depends on the motor and overall boat configuration.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:18px;font-weight:700;color:#222;margin:20px 0 10px;\"\u003eFreewheeling Function\u003c\/h3\u003e\n\n\u003cp\u003eWhen Freewheeling is enabled, the boat can decelerate more quickly after throttle release, with improved throttle linearity and reduced heat generation under comparable operating conditions.\u003c\/p\u003e\n\n\u003cp\u003eThis can be particularly useful when adjusting a boat's behavior through tighter turns or during rapid changes in throttle input.\u003c\/p\u003e\n\n    \u003cdiv class=\"cnhl-img\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0617\/0582\/files\/11_8cf72dc2-5ce3-471d-977f-1f40a7665ad8.png?v=1794476199\" alt=\"Hobbywing SeaKing Pro 70A G2 ESC Freewheeling function comparing RC boat deceleration with the feature enabled and disabled\"\u003e\u003c\/p\u003e\n \u003c\/div\u003e\n\n\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:34px 0 12px;border-bottom:1px solid #ddd;padding-bottom:8px;\"\u003eCapacitor Overheating Protection\u003c\/h2\u003e\n\n\u003cp\u003eHigh-current acceleration and repeated changes in motor load place additional demands on the ESC's power electronics. The SeaKing Pro 70A G2 incorporates capacitor overheating protection to help reduce the risk of damage associated with capacitor overload or excessive temperature.\u003c\/p\u003e\n\n\u003cp\u003eThis protective feature complements the ESC's battery low-voltage protection, thermal protection, and throttle signal loss protection.\u003c\/p\u003e\n\n\n    \u003cdiv class=\"cnhl-img\"\u003e\n  \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0617\/0582\/files\/10_ac81eaf2-054e-40d2-a85b-2920c1a2aad0.png?v=1794476325\" alt=\"Hobbywing SeaKing Pro 70A G2 marine ESC capacitor overheating protection and integrated capacitor assembly\"\u003e\u003c\/p\u003e\n \u003c\/div\u003e\n\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:34px 0 12px;border-bottom:1px solid #ddd;padding-bottom:8px;\"\u003eCompact Cooling Design \u0026amp; IP55 Protection\u003c\/h2\u003e\n\n\u003cp\u003eThe SeaKing Pro 70A G2 uses a compact heatsink arrangement with provision for water-cooling fittings. The supplied water-cooling ports can be installed when the boat's power requirements and operating conditions call for additional cooling.\u003c\/p\u003e\n\n\u003cp\u003eThe water-cooling port has a specified \u003cstrong\u003e2.0mm inner diameter and 4.0mm outer diameter\u003c\/strong\u003e. The fittings are not installed on the ESC at the factory.\u003c\/p\u003e\n\n\u003cp\u003eThe ESC carries an \u003cstrong\u003eIP55 protection rating\u003c\/strong\u003e, offering resistance to dust ingress and water jets within the rating's specified limits. Unlike fully submersible-rated electronics, an IP55 ESC should not be treated as suitable for prolonged immersion.\u003c\/p\u003e\n\n\u003cp\u003eKeep electrical connectors insulated and protected, check the cooling system regularly, and dry exposed connections after wet operation.\u003c\/p\u003e\n\n\n\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:34px 0 12px;border-bottom:1px solid #ddd;padding-bottom:8px;\"\u003eData Recording with Optional OTA Bluetooth\u003c\/h2\u003e\n\n\u003cp\u003eBeyond conventional ESC programming, the SeaKing Pro 70A G2 supports performance data recording to help users understand how their power system behaves during operation.\u003c\/p\u003e\n\n\u003cp\u003eThe ESC records extreme values, including maximum current, highest ESC temperature, minimum battery voltage, and maximum motor RPM.\u003c\/p\u003e\n\n\u003cp\u003eFor additional data monitoring, a compatible \u003cstrong\u003eHobbywing OTA Programmer\u003c\/strong\u003e can connect the ESC to the HW LINK mobile app. With the OTA module connected during a run, users can access real-time information and historical performance graphs.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#f7f7f7;padding:15px 18px;margin:18px 0;border-left:3px solid #e60073;\"\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eAvailable Performance Data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eESC current\u003c\/li\u003e\n\u003cli\u003eBattery voltage\u003c\/li\u003e\n\u003cli\u003eESC temperature\u003c\/li\u003e\n\u003cli\u003eMotor RPM\u003c\/li\u003e\n\u003cli\u003eThrottle information\u003c\/li\u003e\n\u003cli\u003eHistorical graphs through the optional OTA module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Bluetooth connectivity is not built into this ESC. The optional OTA module is required for wireless app connection. Real-time and historical graph recording requires the OTA module to remain connected during operation.\u003c\/p\u003e\n\n\n\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:34px 0 12px;border-bottom:1px solid #ddd;padding-bottom:8px;\"\u003e14 Programmable Parameters \u0026amp; Firmware Updates\u003c\/h2\u003e\n\n\u003cp\u003eWith 14 programmable settings, the SeaKing Pro 70A G2 offers extensive control over acceleration, braking behavior, battery protection, motor timing, and receiver power output.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:18px;font-weight:700;color:#222;margin:20px 0 10px;\"\u003eSupported Programming Methods\u003c\/h3\u003e\n\n\u003cul style=\"padding-left:22px;margin:12px 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Program Box:\u003c\/strong\u003e Parameter adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD Program Box Pro\/G2:\u003c\/strong\u003e Parameter adjustment and supported firmware updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTA Programmer:\u003c\/strong\u003e Wireless parameter adjustment, data access, and supported firmware updates through HW LINK.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFirmware upgrades can be performed using Hobbywing USB LINK software with a compatible LCD Program Box, or through the HW LINK mobile app using the required external programming hardware.\u003c\/p\u003e\n\n\u003cp\u003eThe LCD programming boxes and OTA Programmer are separate accessories. Firmware updates are not performed through a direct built-in Bluetooth connection.\u003c\/p\u003e\n\n    \u003cdiv class=\"cnhl-img\"\u003e\n  \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0617\/0582\/files\/12_118c818f-bf52-44da-985c-3324ded5303b.png\" alt=\"Hobbywing SeaKing Pro 70A G2 ESC firmware update methods using LCD Program Box Pro and OTA Programmer\"\u003e\u003c\/p\u003e\n \u003c\/div\u003e\n\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:34px 0 12px;border-bottom:1px solid #ddd;padding-bottom:8px;\"\u003eInstallation \u0026amp; Connection Notes\u003c\/h2\u003e\n\n\u003ch3 style=\"font-size:18px;font-weight:700;color:#222;margin:20px 0 10px;\"\u003eBattery \u0026amp; Motor Connections\u003c\/h3\u003e\n\n\u003cp\u003eThe ESC is supplied without a pre-installed battery input connector. Its 14AWG red and black power wires must be connected to a suitable battery connector using correctly rated components and proper soldering techniques.\u003c\/p\u003e\n\n\u003cp\u003eThree 16AWG motor output wires terminate in 4.0mm female bullet connectors for connecting a compatible three-phase brushless motor.\u003c\/p\u003e\n\n\u003cp\u003eCorrect battery polarity is essential. Reversing the positive and negative battery connections can permanently damage the ESC.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:18px;font-weight:700;color:#222;margin:20px 0 10px;\"\u003eReceiver \u0026amp; AUX Connections\u003c\/h3\u003e\n\n\u003cp\u003eConnect the ESC's throttle cable to the receiver's throttle channel. The separate yellow signal cable can be connected to an available AUX channel to control Turbo Timing through the transmitter.\u003c\/p\u003e\n\n\u003cp\u003eDo not supply a second receiver power source without following the isolation procedure described in the official manual.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:18px;font-weight:700;color:#222;margin:20px 0 10px;\"\u003eFirst-Time ESC Calibration\u003c\/h3\u003e\n\n\u003cp\u003eThrottle-range calibration is required before first use and when changing the radio or receiver. The ESC supports calibration procedures for pistol-grip and stick transmitters.\u003c\/p\u003e\n\n\u003cp\u003eComplete throttle calibration, verify the motor direction, confirm the correct LiPo cell count, and check the cooling system before running the boat.\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:34px 0 12px;border-bottom:1px solid #ddd;padding-bottom:8px;\"\u003eHobbywing SeaKing Pro 70A G2 Manual\u003c\/h2\u003e\n\n\u003cp\u003eFor complete installation instructions, throttle calibration, parameter settings, wiring diagrams, LED status codes, and troubleshooting, refer to the official user manual.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0617\/0582\/files\/Hobbywing_SEAKING_Pro_70A_G2_Manual.pdf?v=1794475233\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color:#e60073;text-decoration:underline;font-weight:700;\"\u003eDownload Hobbywing SeaKing Pro 70A G2 User Manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\n\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:34px 0 12px;border-bottom:1px solid #ddd;padding-bottom:8px;\"\u003eExplore More Hobbywing Marine ESCs\u003c\/h2\u003e\n\n\u003cp\u003eLooking for a different power range or marine ESC setup? Explore our \u003ca href=\"https:\/\/chinahobbyline.com\/collections\/hobbywing-seaking-escs\" style=\"color:#e60073;text-decoration:underline;font-weight:700;\"\u003eHobbywing SeaKing ESC collection\u003c\/a\u003e to compare controllers for mini racing boats, recreational RC boats, and high-power marine applications.\u003c\/p\u003e\n\n\u003cp\u003eYou can also browse our complete selection of \u003ca href=\"https:\/\/chinahobbyline.com\/collections\/rc-boat-escs\" style=\"color:#e60073;text-decoration:underline;font-weight:700;\"\u003eRC boat ESCs\u003c\/a\u003e to find a suitable electronic speed controller for your motor, battery voltage, and boat configuration.\u003c\/p\u003e\n\n  \n  \n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:34px 0 14px;border-bottom:2px solid #e60073;padding-bottom:8px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#222;margin:18px 0 7px;\"\u003eWhat batteries are compatible with the Hobbywing SeaKing Pro 70A G2?\u003c\/h3\u003e\n\u003cp\u003eThe ESC supports 2S, 3S, and 4S LiPo batteries. Choose a battery that also meets the motor's voltage requirements, the boat's installation constraints, and the expected current demand.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#222;margin:18px 0 7px;\"\u003eIs the SeaKing Pro 70A G2 waterproof?\u003c\/h3\u003e\n\u003cp\u003eIt has an IP55 protection rating. This provides resistance to dust and water jets within defined limits but does not make the ESC suitable for prolonged underwater operation or immersion.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#222;margin:18px 0 7px;\"\u003eDoes the SeaKing Pro 70A G2 have built-in Bluetooth?\u003c\/h3\u003e\n\u003cp\u003eNo. Wireless connectivity to the HW LINK app requires a compatible external Hobbywing OTA Programmer, sold separately.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#222;margin:18px 0 7px;\"\u003eWhat does the yellow AUX cable do?\u003c\/h3\u003e\n\u003cp\u003eThe yellow signal cable allows a compatible transmitter AUX channel to activate or deactivate the configured Turbo Timing function during operation.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#222;margin:18px 0 7px;\"\u003eCan this ESC run a boat in reverse?\u003c\/h3\u003e\n\u003cp\u003eYes. Forward and Reverse is available as a programmable running mode. However, reversing should only be enabled when the boat's motor and drivetrain arrangement support reverse rotation. Some flexible-shaft systems may be damaged by reversing.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#222;margin:18px 0 7px;\"\u003eDoes the ESC support water cooling?\u003c\/h3\u003e\n\u003cp\u003eYes. The ESC has provisions for installing water-cooling fittings, which are supplied separately from the preassembled ESC body. The cooling arrangement should be selected according to the boat's expected operating load.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#222;margin:18px 0 7px;\"\u003eCan I update the ESC firmware?\u003c\/h3\u003e\n\u003cp\u003eYes. Firmware updates are supported through compatible Hobbywing LCD Program Box Pro\/G2 hardware or an OTA Programmer, using the appropriate Hobbywing software or app.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#222;margin:18px 0 7px;\"\u003eWhat are the exact dimensions of the SeaKing Pro 70A G2?\u003c\/h3\u003e\n\u003cp\u003eThe specified ESC body dimensions are 38.5mm long × 30mm wide × 8.4mm high. These measurements exclude the water-cooling port and the capacitor extension. Allow additional installation clearance for wiring and connected components.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#222;margin:18px 0 7px;\"\u003eWhat RC boats is the Hobbywing SeaKing Pro 70A G2 designed for?\u003c\/h3\u003e\n\u003cp\u003eIts principal applications are Mini Mono, Mini ECO, and Mini Hydro competition boats. The suitability of a particular installation also depends on the motor, battery, propeller load, and cooling conditions.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\n","brand":"ChinaHobbyLine","offers":[{"title":"Global","offer_id":67944922382550,"sku":"30302560 GL","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0617\/0582\/files\/001_abfe96fe-9fdb-4ce8-bfd5-87ea0b0a4dcf.webp?v=1794475622","url":"https:\/\/chinahobbyline.com\/fi\/products\/hobbywing-seaking-pro-70a-g2-brushless-marine-esc","provider":"ChinaHobbyLine","version":"1.0","type":"link"}