12V, 4 Ah (2 x 2 Ah batteries in parallel), sealed lead acid gel battery. Classified as non-hazardous for freight purposes. Supplied in custom packaging for ready connection to HF-90 Transceiver complete with DC power cable and connector for charging devices. As supplied with the HF-90 MiniPack.Q-MAC QM8004 HF MiniPack Rechargeable Battery 4 Ah