Based on common negative design and advanced mppt control algorithm.
Epsolar 10a 20a dual battery solar panel charge controller.
20a solar charge controller solar panel battery intelligent regulator with dual usb port 12v 24v pwm auto paremeter adjustable lcd display 4 1 out of 5 stars 305 14 99.
Nominal system voltage 12 24vdc auto work.
Mppt charge efficiency 99.
Never connect solar panel to charge controller before the battery.
Do not over torque or over tighten the screw terminals.
This could potentially break the piece that holds the wire to the charge controller.
Dual battery solar controller for rvs motorhomes caravans and boats etc suitable for 12v and 24v and up to 20a.
200 watts of solar when connected to a 12v battery system and 400w of solar panels when connected to a 24v battery system.
Eeekit solar charge controller dual usb port solar panel battery intelligent regulator multi function adjustable lcd display street light controller 12v24v 10a 20a 30a 5 0 out of 5 stars 2 13 97.
Battery input voltage range.
Connect battery terminal wires to the charge controller first then connect the solar panel s to the charge controller.