SarahFrost | 312 posts | Scottish Highlands
@SmartSolar_Queen I had almost identical issues with my MultiPlus last winter — turned out the problem wasn't the battery or BMS at all, but the cable...
Hey @KenCross, fairly common with those Renogy units under sustained load in warm weather — they're working hard keeping up with alternator input and charging simultaneously.
Great question! Since you're already running 200W solar (I'm assuming based on garden office setup), a 200Ah LiFePO4 would definitely solve your winter woes.
Worth considering: the actual usable...
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