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When I look in the Victron bluetooth app at the stats for my Smart shunt, vs what it shows for the MultiPlus 2k, I noticed that the battery SOC is off a good bit - shunt says 100%, MP2k says 87% (as an example, not sure what it is right this minute). Is it normal for these to drift apart like...

What I have... Eight (8) New true grade A Ganfeng 277ah cells. These should test 285ah to 290ah (according to the upstream seller) and are all from a batch manufactured on 5-30-21. A factory test report (of a representative sample, not these particular cells) is available. $1,265.91 total...

We did a pretty hefty electrical system upgrade to our slide-in truck camper (2017 Adventurer 910DB) back in November/December. Up top, I used half-height aluminum strut channel either screwed directly into the aluminum roof frame where possible, or using well nuts (for the two holes where it...

I'm curious... how many people here have bought and/or sold RVs with a customized solar and/or electrical system? I'm guessing not everyone who does electrical upgrades to their rigs, to whatever extent, keeps that same RV forever and ever, til death do you part ;) Did you get your money's...

How often do you actually need to pre-charge the capacitors in an inverter/charger like a Victron Multiplus 2000? Every time you de-energize it? How long do the caps stay charged?

So... after spending what seemed like too much time removing cable clamps in awkward locations and *gently* slicing the tape holding wire bundles together... I've got a much better idea of what wires were going where, at least in terms of the factory wiring. Some of it makes sense now, and some...

A few months ago, I picked up a 30v 10A bench top power supply (Rockseed RS310P, if that matters) and for the last few days I have had it chugging away charging a pack of four Gangfeng 277aH cells in parallel @ 3.50 vdc & 9.5 amps. The cells are bolted together using the vendor supplied bus...

Okay... I've spent a bit of time going over this, looking at various different configurations of chargers, panels, etc. as well as doing some 'exploratory' partial disassembly of my truck camper (2017 Adventurer 910 DB) to see where I actually have room to fit things. I've been using various...

So... getting closer to putting things in place in the truck camper... one of which is a Victron Lynx distributor, so the only things coming off the battery terminals will be the leads to the disconnect (+) and shunt (-), and on to the bus bars of the Lynx. Right now the factory pre-wire #2...

So... a couple things that have been bugging me for a bit now: Nearly everyone seems obsessed with compressing the cells in DIY battery packs; but pretty much every tear-down video of a commercial / 'plug-n-play' battery appears to show cells simply taped together and jammed in a box...

Looking to order four 200 watt panels for the roof of our RV (truck camper). Using Rich Solar's panels as an example, if they are the same physical size, but available in "12v" or "24v" models... is there a compelling reason to go one way or the other? I'm planning to keep the rest of the DC...

Anyone here have first-hand experience with the solar cable from AM Solar? Supposed to be 10/2 in a UV-resistant round sheath that fits nicely in a regular cable bushing / liquid-tight fitting. I'd be curious to see how you hooked it up to your rooftop panels - just splices to MC4 pigtails...

Question on circuit breakers used for isolation (vs. protection) on solar input wires: On the one hand, I see a *lot* of builds with those single-pole, push button circuit breakers like this used for isolating the PV input from the panels. On the other hand, I've seen other places that...

Hello all, I was recently checking out a YT vid w/ accompanying blog post, where they had separate MPPT charge controllers, one for each solar panel on the roof. The reasoning was presented as being to prevent shading of any one array from affecting any of the others. Later I wondered if it...

Looking to build my first DIY LFP battery to replace my pair of 12v FLA group 24s (guesstimated 85ah each) in my slide-in truck camper. Originally I was set on just building a 12v 4S 280ah to replace the pair of FLAs mentioned above. Most of the big 'load' wiring would be pretty well...

Looking at building my first DIY LFP battery, possibly a 12v 4S 280ah, to replace my pair of 12v FLA group 24s (guesstimate of 85ah each) in my slide-in truck camper. One of the things I need to be able to support is starting current for the onboard generator. The factory-supplied wiring feeds...

I've been looking more and more at the DIY 12 v 280 ah builds, and think I may go down that route. I'm sure I'll have lots more questions along the way, but there are a couple I kind of want to get squared away in my mind before I decide to take the leap. I've seen much discussion about cell...

Is there a library of icons or images anywhere that has common items used in drawing up system diagrams? Specifically looking for something that could be used with draw.io / diagrams.net. Thanks!

In the planning stage of upgrading the electrical for our 2017 Adventurer 910 DB single-slide truck camper. At this point, pretty much everything is subject to change ;) On the one hand I'd love to go with a Victron MultiPlus 2k or 3k inverter/charger, and just disconnect the stock PD4045...

Recently sold the 30' TT and got a slide-in truck camper. The TC came with 'solar pre-wiring' from the factory... that I'm not too impressed with. Probably need to get it addressed before I continue onwards. Basically they put a cable entry gland up on the roof, with MC4 connectors, and then...