DEWALT DCB103 Combination Dual Port Fast Charger Compatible with 14.4 and 18 Volt systems and new 12 Volt MAX and 20 Volt MAX systems. Charger is convenient solution for users to maintain battery power on the jobsite Enables contractors to move quickly from one task to the next with tools that are ready for the job It charges batteries in one hour or less to minimize downtime on the job site.