The DeWALT DC9319 is a 7.2 to 18V NiCd/NiMH/lithium-ion vehicle charger. Eliminate downtime with the ability to charge batteries in your vehicle while driving to work or on a jobsite. This heavy-duty vehicle charger is compatible with 7.2V to 18V NiCd/NiMH/lithium-ion and will charge the batteries in 1 hour or less. The automatic shut-off protects excessive discharge of the vehicle's battery as well.