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This fake company is NOT honoring their battery warranty!!

I’ve thought I built my small system according to Will’s videos but now a company is telling me to change things...!?! Are they right and I’m wrong? I sent them a pic and this is their reply.

Below photos is my system: 200ah lifepo4 battery pack, 4 100w panels, Epever MPPT controller, with Giandel 2200w inverter. Normally I run my 1425w coffee maker in the morning with no problems for the past 2 months. Today I tried my 1500w microwave for a 2 minute runtime during noontime sun...

Has anyone dealt with this battery. Price seems good and design is nice. Made in China. what do you think?

Ok, been doing this for a short while and all was good. Now the PV is out on MPPT, but solar panels are good, have 20v with 0a. Why? Did a reset with breaker, then with battery. Both restarted MPPT, it started working right but PV light went out and no Amps! Is this new MPPT bad? I did...