48v Electric bicycle battery pack  Lifepo4 or Li po battery

1) Powerful engergy :as the high voltage and light weight ,Motors acceleration speed  performance are very good

2)Energy denesity per volume are higher : it can reach 227wh/L

3) Energy denesity per weight :80wh/Kg

4)Good PCB controlling system can avoid overcharge and overdischarge  well

5)More than 1000times cycle life ,the battery life can reach 4-5years

6)It can run well in low temperature enviroment condition

7)No memory .

8) Size .voltage ,and capacity can be optional depend on client's detail requirement