1, This kind of product is used in Bluetooth Speaker, Portable Source,Armarium,Power Tool,Electronic etc
2, Lithium batter(18650 Cell) ,Most reliable battery
3, The battery pack is wrapped by thin black PVC shrink tube or ABS housing
4, Rechargeable up to 3500 times
5, Service&Quality: Our manufactory has a long-term cooperation with the military, adopting real capacity battery 

Product Feature/Advantage                                                                                                                                    

1. Safety: 48v 50ah deep cycle lithium ion battery, CE ROHS UN38.3 approved, built-in BMS, none fire, none explosive
2. Clean and Green energy, no toxic material contained
3. Powerful: By China 5C rate cell
4. Long life cycle: after 2000 cycles, there is 85% remaining capacity
5. No memory effect,highly efficient charge anytime, no reduction of capacity
6. Operation temperature: -20~60°C
7. Easy replacement for lead acid battery
8. Good performance at high temperature and high temperature resistance
9. Low self-discharge rate: < 3% monthly





Production line



16pcs(105ah)  3.2v battery cell 2.4kw/h
Norminal voltage:51.2v
0.5/1C charge