Battery for Retevis H777 Baofeng BF-666S BF-666-S BF-777S BF-777-S BF-888S Compatible with the following devices H777, Baofeng BF-666S, BF-666-S, BF-777S, BF-777-S, BF-888S, BF-888-S Compatible with Battery Part Numbers BL-1, BP-011, Baofeng BL-1, BP-011