Liitokala 18650 48v 20ah 13s6p Lithium Battery Pack 48v 20ah 1000w Electric Bicycle Battery Built In 20a Bms 54.6v 2a Charger

life expectancy is two times that of lead-acid batteries.built-in ic chip will prevent battery pack over charge, over discharge, over-current,over-heat,short circuit .

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