🌞 Efficient Solar Charge Controller: PowMr 20A Solar Panel Battery Controller with Dual USB, LCD Display, Timer Setting, and Adjustable Parameters Review

I connected a 100w solar panel, marine battery and phone charger, cell phone booster and 100w inverter to it. I am very happy with his work.

Works. Looks awful and I don't know how long it will last. The membrane keyboard has never been pressed firmly against the device and is constantly peeling off. Let's see how long the keys hold up. This also likely provides a path for moisture and dirt to enter the device.

Works well so far hooked up to a 10 watt panel to charge my boat's batteries. I've put it on before winter when I've winterized my boat and so far it's looking good keeping it to the correct 12.7 volts which can be adjusted if you like and every time I do checking it, it's right there, so I think it's working.

5 star rating for this solar charge regulator. The digital readout is very accurate and important to know what condition your battery bank is in. This device is pre-installed, but you can also change the settings as you wish. It has 2 USB ports for charging phones, plus direct wiring for external lights etc. Fully programmable or ready to go like me.

The actual voltage is one volt lower than the voltage on the display. This applies to both the battery and the charging voltage. The charging voltage also never exceeds 11.9 on the display or 10.9 in reality. I connect the charger and the battery charges and floats. This is for a boat and I need a reliable and accurate device. The component must be incorrect on the board or not calibrated. If it's only 12, every volt counts. i will return it I have no time for that.

Use with a lead-acid battery for outdoor lighting. My previous timer died. This unit features a timer, ideal for outdoor lighting - when the sun goes down, as determined by the loss of solar charge power, the light will turn on for a period of 1 to 23 hours, then turn off. Exactly what I needed. Follow the instructions as the battery type and some other setup procedures are not obvious. A NOTICE. This device is designed for use with lead-acid batteries (3 different types are supported) and will

I use this to keep my dual batteries in my diesel fully charged. I attached a 60 watt panel to the topper. This drains the batteries at night. Even if the lower threshold is set to 12.6. The sun has been down for 3 hours now and has drawn 5 volts. In the morning after sunrise I see 9/11 and 1/12 depending on how early I get there. I have a maximum of 13V. I tried with a diode, then it will not charge. I'll turn on the solid state relay to stop it. You'd think it could have been designed a…

I am using this charge controller for a solar powered driveway gate with a 50w PV panel. I need a bit more charging capacity as I also use LED step lights at night. Installed a little over a week ago, so far so good. This controller seems to work well and can easily get the battery to floating voltage. I also use the load output to power the entrance lights, which can be set to run from dusk to dawn or turn on at dusk and turn off at a predetermined time. I only gave the charger 4 stars because

Very good modern flooded lead acid battery management system. The solar energy market has changed the way lead-acid batteries are serviced. It is an intelligent charge controller that prevents capacity loss due to desulfation, bulk charging and cell alignment. My RV batteries require a bit of maintenance over the winter when a modern charger needs to be replaced. I tried a cheap trickle charger once and it dried out the battery over the winter. Good trickle chargers cost more than the battery…