Specifications:

1. BTNF-L7411W Li-ion battery for South X3 data controller
2. color : black ;
3. Voltage :3.7V
4. Capacity :4200mAh;

5. abundant inventory ;

6. 100% brand  new and with superior quality ;

7. bulk purchase , favorable prices ;

8.It can work for X3 data controller

9.Battery core: SANYO core;

10.With PTC/TNC protection device,having the function of preventing overcharge,dischrge,over current(short circuit) over heating;