The Freeman PEL4ABC Electric Rapid Charger for F20 20V Lithium Ion Batteries is ideal for keeping extra 20 volt batteries charged and ready to go. This rapid charger is compatible with Freeman's F20 20 volt cordless tools and batteries. Features include red or green charging indicator lights, overcharging protection, and a convenient 6' power cord. The Electric Rapid Charger will increase productivity and reduce downtime for DIYers as well as professional construction contractors who need long lasting power for their 20 volt cordless tools, and recharges batteries in 45 minutes or less.