Amazon.com has a DEWALT Rolling 70 Amp Wheel Charger with 200 Amp Engine Start.
Is Home Depot selling batteries?The Home Depot has battery charging systems for cars.
When the discharge of the battery is not frequent, float charging is used.The load and battery are connected in parallel during float charging.Current is provided to the load by the normal power supply.
The battery is sulfated if the display on the charger varies between F03 and the Amp rate.The battery will not charge if the display just shows F03.