Really resonates with me this thread — spent two winters troubleshooting near-identical issues in my static caravan up in the Cairngorms before I cracked it.
The thing that finally made the...
StormyHiker | 147 posts
The self-discharge point @FX_Power raises is spot on, but there's another gotcha nobody's mentioned — internal resistance variance across a mixed second-hand bank.
Good point from @Shaun1970 — curious what that unmentioned thing is, mind.
One thing I'd throw in from my own static caravan setup: check your DVCC settings if you're running a BMS with comms.
Been running my static caravan off-grid for about eight months now and the MultiPlus has been mostly brilliant, but lately I've noticed it's cutting the bulk charge short and jumping straight to...
Good point from @HelenMoore about design assumptions — I ran into exactly this with a small experimental panel array on the static caravan roof a while back.
We use essential cookies to keep you logged in and provide core website functionality. We do not use advertising or tracking cookies. See our Privacy Policy for details.
Cookie Details
Session cookies (strictly necessary): These cookies are essential for the website to function. They keep you logged in and maintain your session. They are automatically deleted when you close your browser. These cookies do not require consent under UK GDPR/PECR.
Local storage: We store your cookie consent preference and some UI preferences in your browser's local storage. This data never leaves your device.
Report an Issue
Thank you for reporting this issue. We'll review it as soon as possible.
