I picked up a no-name 40A MPPT off AliExpress back in March for about £18 delivered — yes, eighteen quid — mostly just to see if it would survive more than a week.
MPPT_Fan | 847 posts
@Ollie1991 Classic JK Bluetooth gremlins! Had exactly this on my build. Worth checking whether it's dropping during bulk charge specifically — the BMS can get quite warm when...
MPPT_Fan | 📍 Mid Wales | ⚡ 2.4kWp / 200Ah LiFePO4
@GoldenBodger Shropshire neighbour here, so similar solar yield to factor in!
One thing people consistently underestimate is the surge demand...
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