This Super-fast charger is the ultimate companion for your ONE+ batteries, It will charge our 1.3 Ah battery (RB18L13) in only 15 minutes! With the high capacity 5.0 Ah (RB18L50) this is taken to only an hour. This means no more compromise between high capacity & charge time. The LED indicators are a quick & easy way to check if the battery is charging or fully charged.