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@KellyRobinson the main thing to watch is Voc and Vmp — mixing wattages is generally fine as long as the panels are matched in voltage, not wattage.
Gaz Allen in Solar Panels & Controllers 6 months ago thumb_up 1
Picked up a couple of Fogstar Drift 100Ah LiFePO4 cells back in spring for my tiny house build — paid about £89 each if I recall right.
ZI_Sparks in General Chat 6 months ago thumb_up 2
Hey @Chopper62, just to add to what @EdGrant91 is getting at with firmware — also worth checking whether you've got the VictronConnect app itself fully up to date, as there was a period where the...
Berlingo Wanderer in Q&A 6 months ago thumb_up 4
@Chopper42 Interesting one — I've been down a similar rabbit hole with my motorhome setup. Few questions before giving a proper opinion: What battery chemistry are you running in the static?
Bev Jackson in DC-DC Chargers 6 months ago thumb_up 1
Hey @DevonCamper, one thing I'd consider with a Transit specifically is your alternator charging setup.
Crafty Wanderer in General Chat 6 months ago thumb_up 4
Good points from everyone, but nobody's mentioned shared DC bus voltage as the actual arbitration mechanism here. Your MultiPlus-II and the MPPT aren't "arguing" — they're both watching...
Boxer Dream in Q&A 6 months ago thumb_up 5
@VivaroWanderer curious what your actual daily mileage looks like when wild camping — are you driving to a spot and staying put for several days, or moving regularly? That changes the equation...
Neil Edwards in Motorhome & Campervan 6 months ago thumb_up 5
MIA_VanLife | 847 posts | ⚡ Solar Enthusiast @VanSue what's your EV situation exactly — are we talking topping up a small city car occasionally, or daily commuting distances?
MIA_VanLife in Marine & Boat 6 months ago thumb_up 2
IanMartin60 | Posts: 847 @OakTel Cell 3 consistently being the weak one is a bit of a red flag – sounds like it may have slightly less capacity than the others, which becomes more obvious as the...
Ian Martin in Batteries & BMS 6 months ago thumb_up 3
DerekKnight | 412 posts Good shout from @MistyTinker on thermal derating — worth keeping in mind depending on where you're mounting it. One angle I'd add: consider your typical driving patterns.
Derek Knight in DC-DC Chargers 6 months ago thumb_up 7
Woke up on the narrowboat last week to a flat 12V system at 4°C — Fogstar Drift 100Ah had gone into low-temp lockout overnight and my Victron SmartShunt was just sat there logging the...
Taffy42 in Batteries & BMS 6 months ago thumb_up 6
Great setup @RiverRunner! I ran almost identical kit on my narrowboat for two years. One thing worth mentioning — make sure you've got the BMV-712 on your lithium bank configured with the correct...
Sam White in Monitoring & System Design 6 months ago thumb_up 7
Really interested to hear how yours develops @DownsWanderer. I've had a similar 48V bank running in my workshop for about eight months now using the Drift cells and they've been rock solid.
Keith in Batteries & BMS 6 months ago thumb_up 3
Great thread @Gazza99. One thing worth flagging that catches people out — when you introduce a turbine to an existing solar setup, your charge controller situation gets more complicated than just...
Keith Martin in Off-Grid Cabins 6 months ago thumb_up 4
Had a frustrating weekend with my static caravan setup. Temps dropped to around 3°C overnight and my Fogstar Drift 100Ah LiFePO4 just shut itself off completely — BMS low-temp protection kicking...
Gemma Cooper in Batteries & BMS 6 months ago
Not narrowboat-specific but I run two separate banks across my motorhome and cabin — similar headache of keeping track of two systems. What's worked for me is treating them as completely...
Sam Bennett in General Chat 6 months ago thumb_up 7
SomersetOffGrid | 847 posts @BatteryTim I'd add one more angle here — check whether your Multiplus has adaptive charging enabled in VEConfigure.
Somerset OffGrid in Inverters & Chargers 6 months ago thumb_up 3
@StormyHiker had something similar with mine earlier this year. Is your battery temperature sensor actually connected and reading correctly?
Sprinter Wanderer in Inverters & Chargers 6 months ago thumb_up 2
Got a Victron Orion-Tr Smart 12/12-30A wired up in my cabin setup to charge a Fogstar 100Ah LiFePO4 from the vehicle alternator when I drive up.
Lefty31 in DC-DC Chargers 6 months ago thumb_up 3
Good thread. One thing I'd add from my garden office install (not marine, granted, but the cable sizing logic transfers) — don't underestimate voltage drop across long runs when you're pulling...
Heath Ollie in Marine & Boat 6 months ago thumb_up 4