Maintain your vehicle's battery using the included DEWALT 20V XR 5 AH Lithium-Ion Battery or 1 of your own. The DEWALT DXAEOBDK Battery Maintainer is compatible with AGM， GEL or WET automotive batteries. Simply plug the unit into your vehicle's OBD-II port， attach the included DEWALT 20V XR 5 AH Lithium-Ion Battery and you are ready to maintain the charge on your vehicle's battery. LED indicator shows charging status. Also includes a DCB115 Battery Charger for all DEWALT 20-Volt batteries. This unit has a Memory Saver function that maintains car settings while charging your car battery for systems such as radio， seats， clock and dashboard settings.
Battery maintainer3 Piece Kit includes - maintainer， 20V XR 5 AH Lithium-Ion Battery and DCB115 Battery Charger
Completely portable unlike traditional battery maintainers that require AC power
Simple operation- just connect to the OBD-II port inside your vehicle
Memory Saver function maintains car settings while charging your car battery for systems such as radio， seats， clock and dashboard settings.
Award winner - AAPEX New Product Showcase Winner - Technology
Durable - ruggedly constructed with an impact-resistant polymer housing
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