LiitoKala 36V little small frog under seat post ebike batteries pack for 250w 350w 500w motor battery

1. The life span is twice that of lead-acid batteries, and the weight is lighter 2. No memory effect, rechargeable, longer battery life 3. Safer, more environmentally friendly, free of heavy metals and harmful substances. 4. Built-in IC chip to prevent the battery pack from overcharging, overdischarging, overcurrent, Overheating, short circuit. 5. Avoid mechanical accidents caused by vibration. Model: seat tube down tube (frog style) Battery color: black Battery size: 85*150*257mm BMS function: over current protection, over discharge protection, over charge protection, short circuit protection, balance