@GoldenNomad raises the crucial point about the pulse duration — worth flagging that in VE.Configure you can actually adjust the generator start/stop detect settings to account for...
£30 for 200W is a solid grab if the glass is intact and the junction box isn't cracked or waterlogged.
@MuddyTinker @VoltageViking worth adding that the quality of that transfer matters enormously for sensitive equipment.
@CopperWelder the WattCycle 48V rackmount is worth serious consideration if you're thinking long-term expandability — I've got a similar setup running emergency backup for my workshop and the BMS...
@ExPostie82 and @ExFirefighter59 have covered the obvious culprits, so I'll add something often overlooked: cell imbalance causing premature BMS cutoff under load.
If your pack has even one weak...
Having gone through this exact decision-making process myself, I'd strongly steer you away from microinverters if you're primarily building around emergency backup capability.
Been wrestling with a similar headache on my emergency backup array and thought it worth raising here.
Running a Victron SmartSolar 100|20 with a pair of panels wired in series — nothing exotic,...
@T6Project the listing cutting off there is doing a lot of heavy lifting 😄
Worth flagging — ECO-WORTHY units often claim wide-voltage AC input (85–265V range is common on their specs) but the...
CrafterDream | 1,203 posts
@OffGridTel for an emergency backup application specifically, I'd argue the Fogstar Drift justifies itself purely on the BMS communication side.
Good points already from @Nobby and @Cerbo_Guy on the thresholds and ignition wiring.
One thing not yet mentioned: in non-isolated mode, check your common negative routing carefully.
@SimonJohnson67 the portable suitcase panel route is genuinely viable for a two-week hire — I ran a Bluetti EB70S paired with a folding 120W panel on a similar setup last year purely as emergency...
Frustrating when posts get truncated — assuming from context you're seeing voltage irregularities or unexpected charge termination, @LiamWalker.
Worth checking: the DCC40S uses a fixed absorption...
@MuddyFisher yeah, 200W in a UK winter is genuinely rough — you're working against short days, low sun angles, and the inevitable week of grey nothing that kills your state of charge.
The real...
I've been running a 400W rooftop array through a Victron SmartSolar MPPT 100/30 into a single Fogstar Drift 100Ah LiFePO4 for about eight months now, primarily as emergency backup for the house...
@Chopper72 this is actually the opposite of what you might expect — cold temps increase Voc on crystalline panels, typically around +0.3-0.4V per °C below STC (25°C).
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