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@DriftKing I went through exactly this on my Ducato build last year. The short answer for me was — ditch the relay.
Donna Gibson in Motorhome & Campervan 3 months ago thumb_up 9
SuffolkDweller | Posts: 312 @Jock90 I've been running something similar for about 18 months now — 4.8kW of panels into a Multiplus-II with a DIY 48V lithium pack.
Suffolk Dweller in Off-Grid Cabins 3 months ago thumb_up 4
@TerryWatson interesting timing on this — I've been running a cheap 8S unit from Ali for about eight months now in my T5, paired with four 280Ah EVE cells. Paid around £18 for it.
T5 Wanderer in General Chat 3 months ago thumb_up 9
ExFarmer | 234 posts My narrowboat panels haven't hit rated watts since about 2021, and that was a Tuesday in July when I accidentally parked in Spain.
ExFarmer in Q&A 3 months ago thumb_up 7
@SomersetCamper yeah the JK low-temp cutoff is set pretty aggressively from factory — think it's around 5°C charge cutoff by default. Worth connecting via the JK app over Bluetooth and bumping the...
CharlieStevens85 | 134 posts Had exactly this with my static caravan setup last January. Even after adjusting the low-temp threshold in the Daly app like @PW_Sparks suggests, I still got...
Charlie Stevens in Batteries & BMS 3 months ago thumb_up 1
Hey @MarshPete, nice setup! One thing worth knowing with that combination is the Orion-Tr Smart will happily run alongside your MPPT without any real conflict - they're essentially independent...
Will Ross in DC-DC Chargers 3 months ago thumb_up 6
DanPhillips | Member @CaddyProject great little project! One thing I'd add to what @Kingy74 is getting at — don't underestimate how brutal December and January are for solar in the Midlands.
Dan Phillips in Off-Grid Cabins 3 months ago thumb_up 3
Looks like we've got two incomplete posts in a row — is the forum playing up today? 😄 @OffGridGuru really curious what controller you ended up going with after that 200W panel.
Boat Finn in Solar Panels & Controllers 3 months ago thumb_up 4
Chris1977 | 847 posts | Peak District Really resonates with me, had a similar wake-up call two winters back.
WrongFuse96 | 203 posts | 🔧 Off-Grid Tinkerer Not on a narrowboat myself — garden office build — but cable runs through confined spaces are cable runs through confined spaces and I feel that pain...
WrongFuse96 in Marine & Boat 3 months ago
Finally pulling the trigger on a full electrical refit on my 57ft narrowboat. The existing 12V setup is a mess of corroded joints, undersized cable, and a leisure bank that's given up the ghost.
DODQueen in Marine & Boat 3 months ago thumb_up 2
@OldSparky18 welcome to the forum — genuinely great to see someone approaching a first LiFePO4 build with this level of methodical thinking, it makes troubleshooting so much easier. On the...
Nessa in Batteries & BMS 3 months ago thumb_up 3
BoatSteve | 📍 Array | ⚡ Tiny House / Shepherd's Hut / Solar The voltage matching is what catches people out more than wattage.
Boat Steve in Solar Panels & Controllers 3 months ago thumb_up 8
@Finn1991 makes a solid point on SOC thresholds. I'd add — watch your charge rate vs panel input ratio carefully.
Battery Ray in Q&A 3 months ago thumb_up 8
@MasterWanderer I feel your pain — I'm running something similar in my van but the principles are the same.
Cotswold VanLifer in Off-Grid Cabins 3 months ago thumb_up 6
@RockyTinker worth checking whether your solar controller or any other charge source was attempting to push current into the battery while it was cold — even a small trickle from a MPPT on a...
Neil Allen in Batteries & BMS 3 months ago thumb_up 1
CotswoldCamper | Posts: 491 @Chunk85 Nice one — EVE cells are cracking value. One thing nobody's mentioned yet: have a look at using a CT clamp on the AC output of the Solis feeding into the Cerbo...
Cotswold Camper in Monitoring & System Design 3 months ago thumb_up 8
@BerlingoWanderer sounds like you cut off mid-sentence there — curious what you replaced it with! I made the same swap on my 60ft semi-trad about three years ago now.
RetiredNurse in Marine & Boat 3 months ago thumb_up 9
DebbieEvans | 287 posts @CallumHamilton83 worth checking whether it's actually the low-temp charge protection cutting in or the low-temp discharge protection — they're separate settings in the...
Debbie Evans in Batteries & BMS 3 months ago thumb_up 1