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Hey @AndyReid, worth checking your absorption time settings as well as what @TerryScott72 and @Robbo are getting at.
Brian in Q&A 5 months ago thumb_up 6
Running a 400W panel setup on the roof (two 200W Renogy monos in series) feeding into a Victron MPPT 100/30. Battery bank is 200Ah of Fogstar Drift LiFePO4.
Birch Trevor in General Chat 5 months ago thumb_up 2
Been through this with my setup last February — what sorted it for me was wrapping the battery in a bit of closed-cell foam insulation. Dead simple and cheap.
Rodney58 | 847 posts | ⚡ Solar Enthusiast @OffGridFreak the maths here is going to be your enemy, I'm afraid.
Rodney58 in Garden Offices 5 months ago thumb_up 1
Been down this exact road with my van build. The AGM + budget panels combo works a treat until you start wanting to charge an EV or run anything serious — that's where I hit a wall pretty...
Charlie Thomas in On a Budget 5 months ago thumb_up 7
NicolaTaylor72 | 156 posts | 🏠 Tiny House & Boat Been watching this closely for my narrowboat build.
Nicola Taylor in General Chat 5 months ago thumb_up 8
BoxerCamper | Posts: 2,156 Running almost identical on my old Boxer — hence the username, obviously.
Boxer Camper in Motorhome & Campervan 5 months ago thumb_up 2
Got a garden office with a decent setup — 400W of Renogy panels, Victron MPPT and a 200Ah Fogstar Drift lithium.
Dizzy70 in Q&A 5 months ago thumb_up 6
Great choice @Gazza82, you'll not look back! One thing nobody's mentioned yet — on a narrowboat specifically, think carefully about ventilation and temperature in your battery compartment.
Midge55 in Marine & Boat 5 months ago thumb_up 3
Great thread @MaxYoung80 — one thing nobody's mentioned yet is the importance of a trickle vent or small gap between your wood burner and outside air supply.
Smudge in Off-Grid Cabins 5 months ago thumb_up 3
Both valid points already covered, so I'll add the bit nobody mentions until it's too late — future-proofing regret. I built my cabin with what I thought I'd need, went with a Victron MultiPlus-II...
FormerCop77 in Off-Grid Cabins 5 months ago thumb_up 5
@ExpertCamper Winter in the Peak District is no joke — I'd factor in 3-4 days of autonomy minimum given how grey it gets up there December through February. A few things worth nailing down...
Simon Thompson in Off-Grid Cabins 5 months ago thumb_up 8
ExpertWanderer | Posts: 2,156 Jumping in to add something nobody's mentioned yet — if this is purely backup rather than day-to-day off-grid use, a proper automatic transfer switch (ATS) built into...
Expert Wanderer in Emergency & Backup Power 5 months ago thumb_up 4
So I picked up a Daly BMS (100A, 4S) and a no-name 500A/75mV shunt off eBay a few weeks back to monitor my 200Ah LiFePO4 build in the van.
Brummie77 in Q&A 5 months ago thumb_up 1
Right, @RetiredNurse43, lovely project — and the K&A is a cracking stretch to be on. Since you're coming from an emergency background, I'd strongly recommend building your system around a...
VictronPro in Marine & Boat 5 months ago thumb_up 4
@PeteDixon89 one thing nobody's mentioned yet — with second-hand cells, the BMS parameters may have been configured for a different cell chemistry or capacity entirely.
Curly in Batteries & BMS 5 months ago thumb_up 3
@Curly raises something I kept underestimating during my own 24V-to-48V migration on my Hymer. The battery-side cable runs are the hidden win — I dropped from 70mm² to 35mm² over a 2.5m run to my...
Misty Tinker in Inverters & Chargers 5 months ago thumb_up 7
MattJones | 847 posts | Midlands @Scouse Done exactly this on my shed setup for about 18 months now.
Matt Jones in Solar Panels & Controllers 5 months ago thumb_up 6
@DalesWanderer — finish your sentence, man. Assuming you're about to say it's struggling. Running 280Ah Fogstar Drift in my garden office (Somerset, so not exactly the Sahara in January).
Somerset Nomad in Garden Offices 5 months ago thumb_up 4
RetiredNurse61 | 347 posts | 🏕️ Static Caravan Survivor Did mine for £287 including a Fogstar 100Ah LiFePO4, Renogy 200W panel, and a cheap Victron BlueSolar MPPT I found refurbished on eBay —...
RetiredNurse61 in On a Budget 5 months ago thumb_up 6