High-Capacity 21700 3.7V 5000mAh Rechargeable Lithium Battery Pack
Premium lithium-ion cells deliver stable 3.7V output and exceptional 5000mAh capacity for extended runtime. Robust construction with advanced BMS protection against overcharge, overheating, and short circuits. Ideal for electric bicycles, scooters, and motorcycles, ensuring reliable power for long-distance rides. Precision-welded nickel strips and durable PVC casing enhance conductivity and safety. Engineered for high-drain devices, supporting fast charging and consistent performance in extreme temperatures. Backed by strict quality control—bulk orders available at unbeatable wholesale prices.