Battery 5200mAh for Baofeng UV-25

Specifications:
Model: BL-25UV
Compatible Model: UV-25，UV-25 Plus
Capacity: 5200mAh
Battery Type: Li-ion battery
Voltage: 7.4V
Size: 5.8'' x 2.4'' x 0.9'' / 14.7 x 6.1 x 2.3cm
Net Weight: 250g

What's in the box?
1 x BL-25UV Battery