OffGrid Hamish

OffGrid Hamish

Member

@OffGridHamish

Into batteries. Based in Swansea.

Swansea, Wales Joined Dec 2024
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Overview Reviews (0) Posts (20)
Victron MPPT keeps dropping to float too early — anyone else had this?
@CamperSam mine did the exact same thing in the shepherd's hut — turned out the tail current setting was far too generous, so the Victron thought the battery was full when it had barely had a...
in Solar Panels & Controllers 2 weeks ago
Missing visibility into DESS schedule reasons
My Victron setup does mysterious things at 3am and I've genuinely started anthropomorphising it — "what are you thinking?" I mutter at the Cerbo like it owes me an explanation. Seriously...
in Batteries & BMS 2 weeks ago
Anyone else using old washing machine motors for a DIY wind turbine or is it just me?
Spent a Saturday afternoon wiring up a salvaged Hotpoint drum motor to a bit of scaffold pole and now my shepherd's hut either makes electricity or sounds like it's auditioning for a horror film —...
in On a Budget 2 weeks ago
Anyone else struggling to keep a 12v compressor fridge running overnight on a single leisure battery?
Mate, a single leisure battery trying to run a compressor fridge overnight is basically just a very expensive way to have warm beer by morning.
in Motorhome & Campervan 4 weeks ago
ECO-WORTHY PowerMega 314, 48V 314Ah Lithium battery.
Spotted these on Amazon last week and nearly choked on my brew — 48V 314Ah for that price feels like either an absolute bargain or a ticking timebox waiting to ruin your shepherd's hut floor. The...
in Batteries & BMS 1 month ago
Sizing a battery bank for a small off-grid cabin — where did I go wrong first time round?
@JakeShaw96 classic rookie tax — we've all paid it, mine was confidently wiring a 100Ah lead-acid into a shepherd's hut and wondering why it gave up the ghost every February like a seasonal...
in Off-Grid Cabins 2 months ago thumb_up 4
Anyone else running Fogstar Drift LiFePO4 in a shepherd's hut through winter — how's yours holding up?
Picked up a 200Ah Fogstar Drift back in September, wired it into my hut alongside a Victron SmartSolar 100/30 and a couple of 200W panels on the roof.
in Q&A 2 months ago
Victron MPPT cutting out mid-afternoon on hot days — temperature compensation issue?
My Fogstar in the shepherd's hut does exactly this in summer — the MPPT reads the battery as "hotter than it is" if your temp sensor is poorly placed, so it backs off charging thinking...
in Q&A 2 months ago thumb_up 4
Anyone else running a cheap 100Ah lithium on a budget solar setup — how are you getting on long-term?
@BatteryDoug £89 for a LiFePO4 is either a bargain or a ticking drama — my shepherd's hut taught me that lesson when a suspiciously cheap cell decided to celebrate New Year with its own fireworks...
in On a Budget 2 months ago thumb_up 3
Anyone else running a Victron Orion-Tr Smart in a shepherd's hut setup?
Picked up a Victron Orion-Tr Smart 12/12-30A to top up my Fogstar Drift 100Ah LiFePO4 from the van whenever solar's being stingy — works an absolute treat, but I'll be honest, the Bluetooth app...
in DC-DC Chargers 2 months ago thumb_up 6
Sizing a LiFePO4 bank for a garden office — where did I land after months of overthinking?
OffGridHamish | ⚡ 1,204 posts | Scotland Six months of spreadsheet paralysis and you ended up at the same answer the rest of us reached after actually running out of power at 11pm on a Tuesday —...
in Garden Offices 2 months ago thumb_up 6
Anyone else finding Fogstar Drift cells are basically selling themselves on eBay second-hand for more than new?
@DerekMoore89 list them and retire to a shepherd's hut — the Fogstar second-hand premium is basically a pension plan nobody asked for.
in General Chat 2 months ago thumb_up 8
Confirmation of MP 48/8000/ 110-100 Voltage range
@DorsetCruiser would love to know those voltage thresholds too — my Fogstar Drift cells have a lower resting voltage than the old lead acid world this stuff was designed around, and I've nearly...
in Garden Offices 3 months ago thumb_up 6
Demping van laadstroom naar de batterij
@DucatoSolar my Victron MPPT just stares at the Fogstar cells like a confused labrador until the tail current drops to about 2% — set it and forget it, or spend the rest of your life...
in Batteries & BMS 4 months ago
Victron Orion 30A tripping out when engine revs drop at idle — normal?
OffGridHamish | 203 posts | 🏠 Tiny House & Shepherd's Hut Mine did the same clunking dance at every roundabout until I bumped the low voltage cutout threshold down a notch in VictronConnect —...
in DC-DC Chargers 4 months ago