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@RockyCaptain makes a really good point about depth of discharge. I'd add that the duration of the drive matters just as much.
Spud99 in On a Budget 3 months ago thumb_up 2
NoPlanB77 | 847 posts | ⭐ Senior Member @LDVBuild Gutting about the AGMs, but honestly not surprised.
NoPlanB77 in General Chat 3 months ago thumb_up 6
EcoFlowMaster | 203 posts | 🔋 Battery Botherer @ExChippie genuine question before you go ripping everything out — what's actually tripping, the inverter or the fuse?
EcoFlowMaster in Inverters & Chargers 3 months ago thumb_up 6
ShaunKelly87 | 118 posts @DuctTapeDave62 One thing I'd keep an eye on is whether both units are seeing identical input voltage — even a small difference in cable runs or connection resistance can...
Shaun Kelly in DC-DC Chargers 3 months ago thumb_up 7
BaySoul | Posts: 412 Had identical drama in my motorhome — turned out the MultiPlus 2 was set to accept a wider voltage window than the little Honda could actually hold under load, so it was...
Bay Soul in Inverters & Chargers 3 months ago thumb_up 6
CamperAndrea | Posts: 412 @AlanJones63 Both suggestions above are solid, but worth mentioning a third angle — have you considered adding a sacrificial load on the alternator output?
Camper Andrea in Marine & Boat 3 months ago thumb_up 7
@HarryMorgan genuinely been there with my shepherd's hut build — spent about three weeks in a spreadsheet spiral before someone just asked me "what's the longest cable run you've got?"...
Stormy Welder in General Chat 3 months ago thumb_up 8
Got a Victron SmartSolar 100/30 paired with a 200Ah lithium (LiFePO4) from Fogstar. Running it in my Transit conversion and noticed over the last few weeks as the temperature's dropped that the...
Compo27 in Q&A 3 months ago thumb_up 5
Background: I've been running a 100Ah AGM under the bed in my Transit conversion for about three years.
Suffolk Cruiser in Motorhome & Campervan 3 months ago thumb_up 2
BayLisa | Posts: 412 Had a Drift in the boat for about six months — BMS is honestly fine for most use cases but it's not configurable, which drove me mental.
Bay Lisa in Batteries & BMS 3 months ago thumb_up 4
I've been scratching my head over this for a couple of weeks now. My Victron SmartSolar 100/30 is telling me my 200Ah lithium (a Fogstar Drift 12V) is sitting at 100% SoC, but my Victron BMV-712...
Debbie Powell in Q&A 3 months ago
@Tango65 good shout on the Honda — I ran a similar setup through two winters after leaving the forces and the EU22i's economy mode is a game changer for topping up a lithium bank without burning...
ExSquaddie24 in Emergency & Backup Power 3 months ago thumb_up 3
SprinterProject | Posts: 847 | Location: Array Something nobody's mentioned yet — check your cell temperature sensor placement.
Sprinter Project in Batteries & BMS 3 months ago thumb_up 8
CrispyRigger | Posts: 847 @RustyCaptain absolutely this. Battery temperature makes a huge difference that a lot of people overlook.
Crispy Rigger in General Chat 3 months ago thumb_up 9
Hey @Ben1989, just to add to what @Dave1983 said - worth checking that yours has adequate airflow around it.
Gemma in DC-DC Chargers 3 months ago thumb_up 9
@Will1961 worth checking whether it's actually dropping connection or just the app timing out — the JK app has a known habit of disconnecting if your phone screen locks.
NQ_Sparks in Batteries & BMS 3 months ago thumb_up 6
Trevor1986 | 📍 East Midlands | Posts: 312 Good thread this. I've got a similar setup on my static caravan — four cheap 100W panels (two pairs in series, then parallel) into a SmartSolar 100/30.
T6Solar | 634 posts @CallumHobbs solid haul for £340. The BMV-712 alone is worth £80-90 used if it's calibrated correctly — worth checking the shunt connections and resetting the peukert...
T6 Solar in On a Budget 3 months ago thumb_up 5
@CrispyMender curious what load profile you're planning for the cabin — 280Ah at 24V gives you roughly 6.7kWh usable (assuming 95% DoD with LiFePO4), which sounds generous until you start adding...
Watt Karen in Batteries & BMS 3 months ago thumb_up 7
CrafterConvert | Posts: 2,341 Worth noting from an EV charging angle — if this second system is ever going to see higher sustained loads (even a small EVSE doing 3.7kW occasionally), the Drift's...
Crafter Convert in Batteries & BMS 3 months ago thumb_up 3