Forum Discussion

NinerBikes's avatar
NinerBikes
Explorer
Nov 17, 2014

Testing the new to me NON MPPT 20 amp Charge controller

I ordered this on Amazon, it came from China. While it is stated that it is MPPT, I bought it with only the intentions of running it in it's PWM mode. What I have found it that this unit pretty muc...
JiminDenver's avatar
JiminDenver
Explorer II
Nov 17, 2014
Sounds like it will do what you need it to for a decent price. You don't have to hook a pair of panels up to find out if it is MPPT, just open it up and look for the big round coil. No coil means no MPPT.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,350 PostsLatest Activity: Jan 18, 2026