Y&H 100A MPPT Solar Charge Controller 12V 24V 36V 48V LCD Display Battery Intelligent Regulator Max 100V Input Dual USB for Lead-acid/Lithium

I use 2 of these. They cope with heavy loads and I've not had any issues at all. The terminals are a good size and can take 16mm cable. The voltages are accurate enough for me, and for the money they are great workhorses. I will be getting another.

Large terminals making it a doddle to wire up sits on the wall does exactly what it says ..so impressed I've ordered a second to fit in my camper

THe uses instructions are too small to read

Solar controller displayed voltage .3 volts less then actual, verified with meter, supplied charging current .3 volt higher then set value for lithium phosphate battery, causing inverter to trip out due to high voltage, could have damaged batteries or worse, switched off immediately and returned for refund.

Easy to install with robust terminal connections. It performs well and is very good value. Not the most aesthetic looking unit, having a simple black functional case, but this is not an issue as rarely are they fitted in a prominent position.

Seems to work ok

Perfect

Unfortunately the product description was too good to be true. Setting the time is easy, setting a timed on/off is even easier. The problem is that the internal clock is beyond inaccurate - each day it adds up almost an hour, therefore if you are buying this product for its timer functionality then steer away. And you can’t replace it easily since it is shipped from China. Excluding that major flaw(since I was relying on it) it is fairly good allowing awg10 wires to be connected easily and is fairly bulky helping with heat dissipation. Backlit panel but without a dedicated button for it, so you have to engage a function in order to see the state when its dark. It has potential but feels like a beta testing unit rather than ready for production one. Just be wary of the above.

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