Liam

@SprinterProject makes a good point about the input current limit — that's probably your best first line of defence here.

I've just mounted a 200W mono panel on the roof of my narrowboat and wired it up to a Victron SmartSolar MPPT 75/15.

Hey @FogstarFan — worth checking your cell-to-cell compression as well. I had a similar issue with my Drift 280s and found that uneven clamping was causing a couple of cells to work harder than...

@Liam1998: @VitoBuild was about to give you the coefficient figures I reckon! To add to what @Barry1988 said — worth checking your panel spec sheet for the temperature coefficient of Voc, usually...

Liam1998 | 47 posts @Rodney nice one! I went the same route about six months back for my little workshop build — picked up the 100Ah Drift for around £195 and paired it with a cheap Epever MPPT.

Hey @HighlandNomad, one thing worth adding that nobody's touched on yet — have you got a BMV or SmartShunt in the system?

Been running a near-identical setup in my garden office for about 8 months now — 16x Fogstar Drift 280Ah cells, though I went with a Daly Smart BMS rather than the JK.

Picked up a pair of 12-way bus bars off Amazon for about £8 a few weeks back to tidy up my van build.

Liam1998 | 156 posts | 🔋 Regular Contributor Something I've noticed that nobody's touched on yet — a lot of the "100Ah" AGMs floating around now are suspiciously light when they arrive.