1. life expectancy is two times compare with the lead-acid batteries, weight is much lighter than the lead-acid battery. 2. no memory effective and rechargeable, the battery life is longer. built-in ic chip will prevent battery pack over charge, over discharge, over-current,over-heat, short circuit. 3. safer and more environmentally friendly, no heavy metals and hazardous substances, avoiding mechanical accidents caused by vibration..syi
hailong plus battery 48v 13ah 15ah 17.5ah 500w 750w down tube battery for electric city bicycle with charger
1. life expectancy is two times compare with the lead-acid batteries, weight is much lighter than the lead-acid battery. 2. no memory effective and rechargeable, the battery life is longer. built-in ic chip will prevent battery pack over charge, over discharge, over-current,over-heat, short circuit. 3. safer and more environmentally friendly, no heavy metals and hazardous substances, avoiding mechanical accidents caused by vibration..syi
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