The Gill 60148 (Old GC-012) Battery Charger, is an affordable, lightweight charger that easily services most lead acid aircraft batteries. Input: 100-240 VAC. Output 12VDC 5 amps. Weight 8 pounds. This is a fully automatic, three stage charger that can be left on the battery for long periods. LED status shows power on, charging and full charging. Circuit protection against reverse polarity and short circuits. UL and CE approved.