Rescue&reg; 2100 Portable Power Pack #604063 12/24V power, Dual 12-Volt 20AH high output, AGM batteries 900/1600 12V peak amps, 500/1100 24V peak amps, Built-in, CEC compliant 1 amp internal charger, 2 gauge 62" 100% copper cables Digital battery voltage gauge reads internal and external, 12V power outlet, Work light and flasher Battery charging status, USB power outlet