Powermall 7.4v BL-5 AA Extended Li-ion replacement Battery Case for Baofeng BF-UV5R/5RB/5RC/5RD/5RO/5RE/5REPL Two-way Radio work with BF-UV5R/5RB/5RC/5RD/5RO/5RE/5REPL Specs: 7.4 Volts // 3800 mAh Brand New | Lithium-Ion Cells One Year Warranty applicable only to Powermall Products