Voltage: 36V, capacity: 7.8AH=78mAh, weight: about 1.5kg, Working temperature: 20„ƒ~45„ƒ. … Protective: High quality with lithium battery protection, short circuit protection, to protect your safe travel at any time. … Lifetime: Eight times greater protection, fundamentally prevent battery failure, longer service life, worry-free driving. Easy to use: professional design, small size, large power, light and convenient weight, good power endurance. Note: Avoid storing the battery at high temperature or low humidity, otherwise, it will cause battery leakage, rust, and low capacity. Suitable for self-balancing vehicles.