72V 20AH E-Bike Battery Lithium-Ion Battery, with Charger Waterproof Lithium Electric Bicycle Battery, for 3300W - 1000W Motor 72V 20AH,XT90

Intelligent Battery Management System (BMS): This battery is equipped with an advanced Battery Management System (BMS) that prevents overcharging, over-discharging, and short circuits. The long-life design provides peace of mind. Long Life: This e-bike battery can be recharged over 1,000 times and has a lifespan of up to three years. High-Performance E-Bike Battery: The 72V, 20AH high-performance lithium-ion battery is designed for long-lasting performance. It features high energy density, a lightweight design, and a built-in charger. Waterproof Battery: The battery's outer layer is made of waterproof, wear-resistant PVC. The inner layer is bonded with a low-melting-point, waterproof seal and strong adhesive. Customer Service:If you have any questions or suggestions, please contact us and we will help you resolve them through friendly communication. We are available 24 hours a day.