General description The Bosch 18V Battery Starter Set includes a 5.0 Ah Li-Ion battery and the GAL1880 Fast Charger, designed for quick and efficient charging of all Li-Ion batteries from 14.4 to 18 volts. Technical specifications Battery capacity: 5.0 Ah Charger model: GAL1880 Charge time: Approximately 30 - 50 minutes depending on battery size Quick-charge mode: 80% capacity in 25 minutes for 4.0 Ah battery Other information Active Air Cooling technology for longer battery life Efficient cooling prevents heat damage, providing up to 65% longer run-time and up to 100% longer lifetime Compact design with convenient cord wrap