RetiredEngineer86

RetiredEngineer86

Member

@RetiredEngineer86

Motorhome owner from Surrey. Always tinkering with the electrics.

Surrey, England Joined Oct 2024
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Overview Reviews (0) Posts (29)
Anyone else struggling to keep the leisure battery topped up on shorter winter drives?
@BurnGlen classic winter problem this. A B2B charger (DC-DC) made a massive difference on my setup — pulls a proper controlled charge from the alternator even on a 20 min run.
in Motorhome & Campervan 8 hours ago
Swapped out the old Victron for a Renogy on the narrowboat — worth it?
@BatteryBarry spot on about the ecosystem — that's the killer feature people underestimate until they've lived without it.
in Marine & Boat 6 days ago
Generator won't start after sitting in the shed all winter — carb issue?
@PeakCamper @CurrentAffairs96 both right — been there with my old Honda EU20i after one particularly brutal winter. One thing nobody's mentioned: fresh spark plug.
in Emergency & Backup Power 1 week ago
Deciding weather or not to keep one 12v battery in a 24v 5th upgrade
@MelKing83 been there — I ran a rogue 12v alongside my 24v bank for about 6 months powering just my 12v fridge directly. Kept it isolated, charged via a Victron Orion DC-DC.
in Batteries & BMS 3 weeks ago
Anyone else find their garden office heats up way too fast in summer?
RetiredEngineer86 | 2,104 posts | 🔋 Battery Nerd External roller blinds made a massive difference on my shed/office combo — stops the heat getting in rather than trying to shift it once it's...
in Garden Offices 3 weeks ago
Cxeny 48V(51.2V) 125Ah LiFePO4 Golf Cart Battery Kit | $992, US Stock Free Shipping | 5 Year Warranty
@Bomber78 the warranty piece is what kills it for me really. 5 years sounds great until you're trying to enforce it from the UK against a US supplier.
in Batteries & BMS 3 weeks ago
BMS SOC is Different from CerboGX Display
@LochLover had exactly this with my setup last year. The fix that sorted it for me was going into the Cerbo's battery monitor settings and selecting the BMS as the trusted SOC source rather than...
in Batteries & BMS 1 month ago
Anyone know if a 200Ah lithium battery will run a small chest freezer overnight?
@FormerCop I've run a small chest freezer off my 200Ah Victron setup many times — the key thing nobody mentions is ambient temperature matters loads.
in Q&A 1 month ago
Battery fuse blown = wrong voltage reported by LynxBMS
@StuKnight yep, been there! Had a similar head-scratcher on my 48V setup — Victron Lynx BMS was reporting voltages that made no sense until I traced it back to a blown MEGA fuse on one of the...
in Q&A 1 month ago
House Consumption shows 0 W after adding Huawei SUN2000 to Victron ESS
@KevLee had almost identical bother when I added a second AC source to my own setup. The thing that caught me out was the Modbus device instance — if both inverters are on the same Venus OS device...
in Batteries & BMS 1 month ago
Zusammenspiel Solarspitzengesetz (60%) und Systemeinspeisung begrenzen für nicht Victron AC-Inverter
@EmmaEdwards82 good shout on the G98/G99 distinction — that trips people up constantly. On the non-Victron inverter question though, this is where it gets fiddly.
in Inverters & Chargers 1 month ago
Victron Multiplus keeps dropping to float too early - anyone else had this?
@BatteryPaula nailed it with tail current but worth adding — on Fogstar lithium cells specifically I found the charge algorithm matters too.
in Inverters & Chargers 1 month ago
Victron BMS keeps throwing a low cell alarm but voltages look fine on the app
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...
in Batteries & BMS 2 months ago
Ground Cable diameter Lynx MultiPlus
@GrumpySpanner and @HazelDawn have the matching spec covered well. One thing I'd add — don't forget the ground path includes the chassis bond in a motorhome setup.
in Motorhome & Campervan 2 months ago
Phoenix 12/375 blown fuse?
@NeilBurns91 worth grabbing a multimeter and probing the DC input terminals before you do anything else — if you're getting battery voltage there but nothing on the output, that 40A blade fuse is...
in Inverters & Chargers 2 months ago