Content by TheHypnoToad in January, 2026

Thanks for the info, that's really helpful. I think I'll go the DIY route, I'm currently looking at places that sell Sodium Ion cells, so far I've found 75Ah cells that seem good, they can be discharged at 3C continious so I think this should be plenty. I'll also look to include a balance...

Hi Terry, I'm also looking to replace the lead-acid battery in my MG4 with something a little more modern. I was planning on buying a few LFP cells, I found some 32aH prismatics that looked like they would work. I'm happy enough to put them in a safe and wire up the BMS also, I've done similar...

Hi, there's some good info in the thread you iinked, thanks for pointing me in the right direction :)

I'm looking to possibly replace my SLA 12V battery with a LiFePO4 version. However some of these batteries have limited charging current, for example some of them can only charge at 50A. Has anyone measured or does anyone know what the typical and max charging current is while the 12V battery...