With USB 3.0 waterproof plugs, F2 Terminals, and a built-in voltmeter, this LiFePO4 battery has 2X the power, 1/3 the weight, and 5X the lifespan of traditional batteries. It can perform optimally in tempuratures as low as -28°C and its 23Ah capacity offers a full day of power for high amp draw electronics. The battery's volt meter allows for easy monitoring of battery capacity, and the USB ports enable convenient charging for your personal electronics. LiFePO4 charger is recommended.