BOOANT 52V 25Ah Triangle E-Bike Lithium-ion Battery Pack The BOOANT 52V 25Ah Triangle Lithium Battery is a high-capacity, heavy-duty e-bike battery designed for custom DIY electric bicycle conversions, high-power mid-drive builds, and high-torque rear hub motors. Engineered with a nominal voltage of 52V and a massive 1,300Wh energy capacity, this triangle battery pack delivers long range, high continuous discharge rates, and minimal voltage sag under demanding uphill throttle loads. Grade-A Genuine Samsung 21700 50G Battery Cells Built with 70 original Samsung SDI 21700 50G (5000mAh) high-density cells arranged in a 14S 5P configuration (14 series, 5 parallel). Unlike generic Chinese cells, authentic Samsung 50G cells ensure true rated capacity, low internal resistance, high thermal stability, and an extended lifespan exceeding 800 charge cycles before reaching 80% original capacity. Smart JBD Bluetooth BMS (Battery Management System) Every BOOANT 52V 25Ah pack integrates a smart JBD Bluetooth BMS compatible with iOS and Android apps (xiaoxiang BMS / Smart BMS). Riders can monitor live individual cell group voltages, active amp draw, battery pack temperature, charge/discharge status, and remaining capacity in real-time. Available with 3 discharge options: 30A Continuous BMS (90A Peak): Ideal for 250W, 500W, 750W, and 1000W e-bike motors (e.g., Bafang BBS02B, Voilamart 1000W hub kit). 50A Continuous BMS (150A Peak): Optimized for 1000W, 1500W, and 2000W performance builds (e.g., Bafang BBSHD, CYC Stealth, NB Power 1500W hub). 60A Continuous BMS (180A Peak): Designed for 2000W to 2500W+ high-torque off-road and hill-climbing e-bike motors (e.g., QS Motor 205, high-power direct-drive hubs). Durable Triangle ABS Hard Shell Enclosure Housed inside a high-impact, splash-resistant ABS plastic triangle hard case designed to fit securely within standard bicycle frame triangles (down tube, top tube, and seat tube). Features an external mechanical ON/OFF power switch to eliminate idle parasitic drain, an instant LED battery level indicator, and an integrated 5V 2A USB charging port for smartphones, GPS, and bike accessories. 58.8V 5A Smart Fast Charger Included Includes an upgraded 58.8V 5A CC/CV smart fast charger with active silent fan cooling and multi-stage protection (short circuit, reverse polarity, over-voltage, and thermal protection). Refuels the full 25Ah capacity from 0% to 100% in approximately 5.0 to 5.5 hours, more than twice as fast as standard 2A chargers. Key Specifications: Nominal Voltage: 52V (Compatible with 48V / 52V controllers) Rated Capacity: 25Ah / 1300Wh Cell Type: Samsung 21700 50G (14S5P, 70 Cells) Dimensions: 375 mm x 235 mm x 410 mm (Hypotenuse) x 90 mm (14.76" x 9.25" x 16.14" x 3.54") Pack Weight: Approx. 6.5 kg (14.33 lbs) Max Charge Voltage: 58.8V Discharge Cut-off Voltage: 39.2V - 42.0V Operating Temperature: Discharge: -20°C to 60°C (-4°F to 140°F); Charge: 0°C to 45°C (32°F to 113°F) Warranty: 2-Year Official Manufacturer Warranty on cell structure and BMS hardware
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