The DEWALT DCB412 40V Max mower/vehicle charger helps power all of your 40V Max outdoor equipment. Hook itup to your truck to charge on the go, or strap it to a mower & charge on the job. Its LED indicator tells you when the battery is fully charged, then automatically shuts off to protect the mower or truck battery. Charges all DEWALT 40V Max batteries from a vehicle’s power outlet or by tapping directly into the mower battery enabling batteries to be charged throughout the day – includes mounting bracket & strap for mounting on riding mowers, stand-on mowers & larger push mowers. Diagnostics with LED indicator Communicates battery charge status: charged, charging, power line problem, replace Pack, or battery too hot or too cold. Charges the 7.5Ah battery in 4 hours, providingup to 3 extra batteries in a work day. Automatic shut-off protects excessive discharge of vehicle’s or mower’s battery. Includes: charger, truck power input, mower battery connection, mower mount.