- Capacity: 2800mAh 3.7V. Type: Li-ion
- Full capacity and Best replacement battery for Baofeng two way radio BF-888S, BF-777S, BF-666S, Retevis H777
- Replaces your radios stock battery,safe and of good storage
- Quickly Charged: You can charge the battery pack only;You also can put the battery to radio and charge
- Please charge the battery first if unused for a long time
2.Voltage: DC 3.7V
Specially Fit For:Baofeng F-888S, BF-777S, BF-666S, Retevis H777.