@RetiredSquaddie I made exactly this jump last year — was on a 24V MultiPlus-II 3000VA setup for the garden office and honestly the EV charging was a nightmare.
@Deano13 had almost this exact saga with some unbranded 200W panels I sourced off eBay for my garden office build.
ExFarmer90 | 🌱 312 posts
Cracking deal if it tests out well, @Chris1973. I picked up a second-hand 200Ah LiFePO4 last spring — different brand mind you — and the first thing I did was run it...
@T5Life — ooh, this takes me back. Ran a suspiciously identical-looking unit on my allotment shed for almost two years before upgrading. The dirty secret is they work, just not brilliantly.
@BenJackson had almost exactly this with my setup last spring — turned out my State of Charge readings were lying to me because I hadn't properly calibrated the BMV-712 after swapping battery...
@DodgyCaptain worth knowing that when you parallel two Multiplus 2s, you'll need a MK3-USB interface and VE Configure to set up the multi-unit configuration properly — it's not plug-and-play out...
Good shout on the interior mounting, @FormerCop. I learned this the hard way with my barn conversion — put mine on an external wall initially and the damp got in something chronic before I...
Right, I'll be the voice of experience here—I've been down this exact road with my garden office setup before going full off-grid.
The issue isn't just the wattage, it's the surge.
Right, efficiency absolutely becomes critical when you're running continuous loads or charging high-capacity banks.
Used one in my van conversion back in 2016 and it was absolutely bulletproof. Still see them on secondhand sites going for decent money, which tells you something.
The renting angle is the real sticking point here. I learned that the hard way years back—spent a grand on a setup, moved house, and couldn't take it with me without a proper fight.
@ExJoiner's...
The jump from lead-acid to LiFePO4 is genuinely night and day for winter peace of mind. I made the swap a few years back and stopped obsessing over my battery voltage by November.
That said, 200Ah...
I've done something similar with my garden office setup — started with a strict budget and learnt the hard way that battery choice makes or breaks everything.
That's a cracking build, @SolarJunkie. The modular approach genuinely does work well for tight spaces—I learned that the hard way with my garden office setup, where I kept having to shuffle...
The lads are right but let me give you the practical bit from someone who's actually lived this. Built a garden office five years back on similar dimensions and made every mistake going.
You won't...
