100A MPPT Solar Charge Controller 12V 24V 36V 48V LCD Display Battery Intelligent Regulator Max 100V Input Dual USB for Lead-Acid/Lithium (100A)

My old charge controller was a 20 amp unit that would decide when it would or would not work. the new charge controller now gives me options to upgrade and has been working perfectly

2 of the 4 arrived in horrible nonworking condition. One does everything but transfer power. The other does nothing at all. I purposely bought these because of previous reviews. 2 work well 2 totally wasted my money and do nothing to charge. One has a decent display but won't charge the other arrived and wouldn't even light up. Cheap junk at best

Excellent Charge Controller for the price.

Seems to work fine. Owners manual written poorly. Obviously Chinese. Had to copy / magnify to be able to read it. Not good descriptions of how it operates.

Llego en perfectas condiciones

This model is large enough for my panel array, it's my first mppt controller to see what the buzz is about. I hope for better harvesting of solar power off grid.

Originally bought the first unit all about 3 weeks ago. It lasted a day and a half and it melted on the inside and stopped working. Contacted Amazon and had no problems getting a second unit for a replacement. Second unit lasted half a day it didn't melt like the other one but it just quit working. I'm probably going to ask Amazon to just credit the amount send both of them back and credit the amount to buying something that actually works. I would definitely not recommend anybody buy one of these units. Like like the heading says two up two down.

Ok I don’t mind these for what I am doing. A pain in the butt to program. No Instructions manual came with two different controllers which made it hard. They are in china and you can there support. No direct communications. Don’t use these on large systems.