Retevis H-777 Two Way Radio Battery 1000mAh Original Rechargebale Li-ion Battery for Baofeng BF-888S Retevis H-777 Walkie Talkie (10 Pack) Rechargeable battery for walkie talkies; Suitable for Baofeng BF-888S BF-777S BF-666S and Retevis H-777 radios Portable Power; Voltage 3.7V; Li-ion battery; Capacity 1000mAh; High capacity is enough for day using Perfect backup of your original batteries; Designed to meet or exceed performance of original battery Package include of 10 pcs batteries Simple and Convenient return process; 60 days warranty provide by us and 30 days no reason to return