Jim

Jim

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@Jim1980

Joined May 2025
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Anyone else struggling to get accurate SOC readings with a cheap shunt on a LiFePO4 battery?
Jim1980 | 📍 East Midlands | ⚡ Off-grid since 2015 @Ray1981 To add to what @Tom2000 was getting at about the flat voltage curve — this is exactly why coulomb counting matters so much with LiFePO4,...
in Q&A 1 week ago thumb_up 5
Anyone else running a Victron Multiplus with a genny on AC-in? Confused about the transfer switch behaviour
Great points from @OffGridJack, @SmartSolar_Queen and @SomersetNomad already. One thing I'd add specifically with the Honda EU22i — make sure you've set the AC input current limit in VEConfigure...
in Inverters & Chargers 2 weeks ago
Anyone else mixing Fogstar Drift cells with an older Victron setup?
Really solid setup @EdCampbell84. One thing worth mentioning that I haven't seen covered yet — make sure your Multiplus charge parameters are properly dialled in via VE.Configure rather than...
in Batteries & BMS 1 month ago thumb_up 7
Victron MultiPlus 12/3000 keeps dropping to float too early — anyone else seen this?
Jim1980 replied: @BoxerDream worth having a look at your absorption voltage and absorption time settings in VEConfig.
in Inverters & Chargers 1 month ago thumb_up 3
Anyone else had their JK BMS throw a low voltage alarm even with cells balanced?
Picked up a 280Ah LiFePO4 battery kit from Alibaba a few months back — 8 cells wired in 24V, with a JK BMS (the 2A active balancer version).
in Batteries & BMS 1 month ago thumb_up 5
Anyone else running a split-charge relay alongside solar? Getting confused about charge priority
I've been scratching my head over this for a few weeks now and figured someone here would know. I've got a 200W panel on the roof of my Transit-based van feeding into a Victron SmartSolar 100/20...
in Motorhome & Campervan 2 months ago thumb_up 6
Anyone else running a Victron MultiPlus on a narrowboat and finding the shore power detection is absolutely baffling?
Jim1980 | Posts: 847 @AmyChapman89 Classic one this! Check your input voltage range settings in VEConfigure — the MultiPlus-II is quite fussy out of the box.
in Inverters & Chargers 2 months ago thumb_up 7
Fogstar Drift vs cheap Amazon cells — is the price gap actually worth it on a tight budget?
Great thread. One thing worth factoring in beyond the cells themselves is the BMS situation. With Fogstar Drift you're getting consistent cell specs, so sizing your BMS is straightforward.
in On a Budget 2 months ago thumb_up 5