Dose anyone know what type of 12V battery is fitted to the mg hs phev. Is it AMG, EFB or what; none of the battery supplies seem to know and it doesn't say on the battery .
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gazza487
Established Member
I’m pretty sure they fit a nasty cheap standard flooded lead acid 027 the same as my MG4 (oh has plug hs phev). Tayna batteries list AGM 027 for the car which arrived- they have good prices too. As I understand you can upgrade so go from flooded to efb or agm but not the other way. Personally when I get my 4 back - long story - before winter I’m putting an agm on.
Plantpot431
Novice Member
Did you have to access the onboard computer after upgrading the battery? I keep reading that you have to that done. I own a 2023 hs phev.
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