The Milwaukee Rapid Charger recharges all M18™, M14™ and M12™ REDLITHIUM-ION™ battery packs. It recharges in sequence – first in, first to charge – resulting in less time needed to manage charging cycles.M12™ REDLITHIUM-ION™ 2.0 Ah / 4.0 Ah battery packs recharge in 28 min / 57 min or less. M18™ REDLITHIUM-ION™ 2.0 Ah / 4.0 Ah / 5.0 Ah battery packs recharge in 26 min / 47 min / 59 min or less. Specifications: Voltage: 12/14.4/18 Volt. Battery Chemistry: Li-Ion.
