2021 liitokala 48v 10ah-15ah 18650 battery pack sea dragon long tube black shell, bottom discharge usb port

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, 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: sea dragon battery color: black battery size: 367.2*90.1*111mm bms function: over current protection, over discharge protection, over charge protection, short circuit protection, balance