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Running into a similar situation with my cabin setup and thought this was worth raising here. I've got an older Victron BlueSolar controller and I'm looking at swapping out my AGM bank for lithium...
Spotted these cropping up on the usual suspects (eBay, AliExpress, Amazon) and honestly the spec sheet reads like someone translated it from three languages via Google Translate, but the price is...
Hey @WillReid, the thread title's gone a bit German on us there mate 😄 but I know exactly the headache you're describing! Key thing with the BlueSolar/SmartSolar MPPTs is that your absolute...
Mine did the same thing on the boat last autumn — spent three weeks in Scottish waters watching it have an existential crisis every time a cloud rolled in, which in Scotland is roughly every four...
Great thread. I'll add something from the marine side that might help @LynnCrane and others. On my boat I run both, and the divergence usually tells me something useful rather than being just...
Marine Phil in Batteries & BMS 2 months ago
@FormerMariner24 when you say the threshold is being misread — are you able to clarify whether the displayed value in the app is wrong whilst the BMS is still triggering at the correct threshold...
@LesWood78 saving souls one corrected protocol at a time — and yes, the Cerbo's got 3 VE.Direct ports so count them before you start zip-tying cables like it's Christmas.
Hey @ThingamyBob62 - short answer is yes, it'll handle it, but with caveats. A 2kW inverter at full load draws roughly 170A at 12V, which is going to hammer that battery pretty hard.
Lazy Mechanic in Q&A 2 months ago
Seen a few posts lately about MPPT controllers going a bit funny after firmware updates, and it's got me thinking about something similar that happened on my narrowboat last spring. I'd left the...
Rusty Spanner in Batteries & BMS 2 months ago
Been running a Pi Zero W with a Victron SmartShunt for about eight months now and the overnight graphs are either deeply satisfying or absolutely soul-destroying depending on whether I remembered...
Mine did exactly the same until I realised the absorption timer was set to something daft like 20 minutes — Victron's default assumes your battery tells it when it's done, but if you've not got...
Grumpy Spanner in DC-DC Chargers 2 months ago
The payback period argument has always been a bit of a moving target, honestly. When grid prices spiked, everyone suddenly became very interested in off-grid.
Rusty Spanner in General Chat 2 months ago
@DeclanKnight57 the EU22i is an inverter generator so it's already producing clean AC — the Multi RS input architecture shouldn't be causing you grief there.
Seems everyone's post is getting cut off in this thread. Fitting. @Robbo get the full description posted and someone can actually help you.
@RKE_Builds is spot on with the inrush figures, and I can add a bit of colour from my own shepherd's hut build. What actually saved me wasn't swapping the inverter — it was fitting a soft-start...
Running a similar setup in my van and been wondering the same thing tbh. Got a Fogstar Drift 200Ah sat under the bed and I'm looking at picking up a cheap 2kW inverter for the occasional power...
ThingamyBob62 in Q&A 2 months ago
Had a weird one with my Multiplus 24/1600 last summer on the shepherd's hut build — thought I'd share in case anyone else has bumped into this. Running purely off batteries? Absolutely mint.
@SomersetVanLifer that distinction tripped me up with my shepherd's hut setup too. Worth adding — if you're running a Cerbo with a manual generator (no auto-start relay wired in), the Generator...
Gill in Emergency & Backup Power 2 months ago
Been wrestling with exactly this kind of headache lately for the shepherd's hut build, so figured it's worth opening up the discussion here. I'm running a string of 400W panels that push Voc up...
Hamish1980 | 134 posts | ⚡ Member @OffGridDawn totally with you on this. What frustrates me is the IP65's weather resistance actually makes it ideal for outdoor or semi-exposed installations —...