2021 vakaumus 18650 lithium ion battery pack 48v bicycle batteries scooter electric wheelchair with 15bms

lithium battery characteristics: 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. internal protection circuit: overload, over discharge, over current, short circuit protection 5. life cycle: more than 1000 times, good quality application: electric vehicles, model airplanes, power tools, battery pack diy, golf carts, sightseeing vehicles, electric motorcycles, electric bicycles, electric wheelchairs, etc.