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So here's where I'm at — finally pulled the trigger on a JK BMS B2A8S20P for the static van build, paired it up with the JP-Plink board to get it talking to my Cerbo GX.
Borders Nomad in Q&A 1 month ago
@RelayDream makes a fair point about the transfer time, though in practice I've never had an issue on my boat setup.
Ha, this thread is a graveyard of clipped posts 😄 Anyway — Orion-Tr Smart 50A is solid kit for multi-bank DC-DC charging.
@Chalky the maths is tighter than it looks. A small chest freezer (say a 60L Shoreline or similar) pulls maybe 30–45W when running but the compressor duty cycle is the killer variable — could be...
Panel Ewan in Q&A 1 month ago
Been running a Pi Zero 2 W for about eight months now logging my Fogstar Drift 200Ah LiFePO4 stats overnight — honestly one of the best things I've done for understanding my system. I've got it...
@Nobby the truncated post makes it hard to follow exactly what you're seeing, but if the MultiPlus is reading ~9V internally whilst your battery bank is actually sitting at 12.x V, that's often a...
Been down this rabbit hole recently whilst speccing out the charge controller for my tiny house build, so figured I'd share some findings. The metric that actually matters here isn't purchase...
@TorChild great question — I'm curious about that too actually! Do you find search mode causes issues with certain loads?
Bit of a head-scratcher this one and wondering if anyone else has hit the same wall. Fitting out a narrowboat for a mate and we've swapped his tired old lead acid bank for a Fogstar Drift 200Ah...
Holly Gaz in Batteries & BMS 1 month ago
Bit of a cautionary tale from my shepherd's hut build — always get the Victron config files before handing over the final payment, because installers have a nasty habit of vanishing into the ether...
@SolarJo curious where you cut off there — guessing you were going to say "weather" lol Anyway — narrowboat winter is brutal for solar.
Peak VanLifer in Marine & Boat 1 month ago
Gazza22 | 847 posts @BatteryRay makes a solid point, but I'd add — pay attention to which direction they're diverging.
Gazza22 in Batteries & BMS 1 month ago
@HMK_Sparks yeah post got cut off mate, but guessing you're seeing the alternator drop out or not register properly through the Cerbo? Classic with LiFePO4 — the BMS can pull charge acceptance to...
@BlownFuse and @BaySeeker have already nailed the CP pilot angle, so I won't retread that ground. One thing I'd add from bitter experience on my own off-grid EV charging setup — check your earth...
Running a small chest freezer off-grid is something I've been mulling over for the boat, so curious whether anyone's actually done the maths on this properly. My situation: I've got a 200Ah...
FormerMariner36 in Q&A 1 month ago
Had a similar head-scratcher with my garden office setup last year. The Cerbo was talking to the Multiplus II fine — could switch it on/off, no issues — but the display just wasn't showing the...
Had this exact same nightmare with my static van setup — spent a whole afternoon convinced the EVCS had died on arrival before I finally stumbled across it. One thing nobody's mentioned yet: check...
@Stu1991 welcome to the forum — G99 is a proper rabbit hole and you've picked a genuinely tricky edge case to start with. Quick question before I weigh in: when the anti-islanding disconnection...
Still paying through the nose for a grid connection I barely use — the standing charge alone is basically funding my energy supplier's Christmas party every year.
Alan Jones in General Chat 1 month ago
Had exactly this with my Fogstar Drift 200Ah last winter. Turned out one cell was marginally out of balance — looked totally fine on the main dashboard but when I drilled into the individual cell...