PowerMax PM3-45Power Supply, AC to DC Converter 110/120 VAC to DC 0-12 Volt 45Amp, Battery Charger with 3 Stage Smart Charging Mode, Built-in Cooling Fan and LED Indicator Light, Lithium Compatible

HIGH QUALITY PRODUCT This PowerMax PM3 Power Supply Converter can boasts a 45-amp power capacity and it' s a three-stage converter and charger that not only supplies power for your DC electronics, but it also charges your RV battery.
BEST FEATURES This power supply converter has a total dimensions measure 11" x 8.5 " x 4.2 and this features adjustable power supply modes that allow you to customize your power supply. This also features super quiet operation because it is built with one of the quietest fans in the industry.
SAFE TO USE This converter/charger will not boil the battery. It has Intelligent way to charge and maintain your RV battery and is very easy to install so its a free hassle to use. 3-stage charging system built-in dramatically increases battery life for a long last usage.
NO NEED TO REWIRE With no need to re-wire, installation is only 10 minutes! It has automatic three-stage converter handles every charging need for the RV while extending the batterys life. Well- maintained batteries should never need more than two-stage (normal and trickle) charging.
CONSTANT AND STABLE Power supply mode provides stable power to maintain system voltage for use in a wide variety of applications. Provides a constant clean power supply for using scan tools and reprogramming of ECMs without discharging battery.