Simply strip your heavy gauge battery charge wires and insert into the junction and tighten firmly. Great for RV's or anywhere you need 12v DC power with high amperage. Use on your test bench to keep battery banks topped off or in your automotive shop to send 12vDC power to the vehicle.Current limiting design automatically shuts down power during overload or short-circuit conditions. 13.2 Vdc range "float" mode. 13.6 Vdc range "absorption" mode. 14.4 Vdc range "bulk" mode. Check our other listings for all available sizes: 35, 45, 55, 75 AND 100 AMP MODELS. In no event shall Advance MCS Electronics, Inc. Even if made aware of the possibilty of such damages. The item "PowerMax RV Converter Battery Charger PM3-55 AMP 120 V AC to 12 volt DC Supply" is in sale since Monday, November 24, 2014. This item is in the category "eBay Motors\Parts & Accessories\RV, Trailer & Camper Parts\Other". The seller is "yovus" and is located in Goshen, Indiana. This item can be shipped to United States, Canada.