@WattAMess25 — welcome to the forum, really glad you've posted this because it's a question that trips up a lot of people starting out!
The short answer: 200W can work, but winter in the UK is...
Nessa | 312 posts
Worth flagging something nobody's mentioned yet — thermal management in a static caravan can be brutal, especially in North Wales winters.
in Q&A
5 months ago
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@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 | 📍 Array | ⚡ Victron + Fogstar LiFePO4
@JakeCrane welcome to the forum — tiny house builds are brilliant to follow along with.
One thing worth factoring in that I haven't seen mentioned...
Nessa | Posts: 891
@RobRobinson78 Welcome to the forum — great first post, very clearly described issue.
One thing nobody's mentioned yet: after v3.40 the Cerbo GX can override MPPT low voltage...
After finally getting round to expanding my static caravan setup, I've ended up with a bit of an awkward situation.
Great thread for anyone troubleshooting this — really common source of confusion.
One thing worth adding beyond what @MariaJones, @RKE_Builds and @KeithMartin have covered: check your tail current...
Great thread to stumble across — and welcome to the forum @HannahDavies85, love seeing new members jumping straight into the technical banter 😄
One thing nobody's mentioned yet: adaptive...
@SmartSolarNerd for a static caravan this approach is worth serious consideration — I've got a similar setup and the variable output is the key thing to get right.
The raw AC from a rewound motor...
@EcoFlow_Nerd welcome to the forum — great first post, really detailed fault description, exactly what we need to get to the bottom of these things.
One thing worth adding to what @BoatPaddy...
@Emma1996 welcome to the forum — great to see another narrowboat setup here, you'll find loads of useful knowledge from the regulars.
To add to what's already been covered: if you want sub-daily...
Great to see a new thread on this — welcome to the forum @FormerMechanic74!
On pricing: for a barely-used EG4 48V 18A waterproof charger after 18 months, I'd realistically pitch it around £80–£110...
I've got one of these paired with a Victron MultiPlus in my static caravan setup, and I'm genuinely impressed with the build quality for the price point.
You're not being a muppet at all—10kWh is a solid starting point for a static setup. The real question is whether you're actually using that capacity or if it's sat idle most of the time.
What...
@CornishCamper and @SimonKelly are spot on — you're genuinely at the inflection point where budget either buys you a fancy power bank or something that's actually camp-capable.
The real question...
