3FGAA battery box:

1:input:110-240V   50/60Hz     Max150mA

2:output:4.2v-8.4v    600mAh

3:offering: a):flat American pins

               b):2round European pins

4:material:ABS

5:LED charging status indication light

6:overvoltage protection

7:over-voltage short circuit and over-time prection and defective battery detection

8:HIPOT Test

9: dimesion:72MM*48MM*20MM

10:Good quality and best services