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Interested to understand when setting charge profiles how much of a difference it makes when discharging routinely calls for high amp discharging vs low amp discharging... It's common to set charge profiles to 13.8 or 14.2 as I research on this forum or watch videos but it seems like most often...

Another question, hopefully not a dumb one. Would someone be able to clarify what the proper method is to match cells when creating packs? In this case 4 cells for 12V packs... A year ago I purchased two separate sets of 8 280AH Eve cells from 18650batterystore about 6 months apart (so 16 cells...

I purchased two sets of Eve LF280 cells about 6 months apart. From each set I built 2 12V packs using JK BMS'. These are wired in parallel for my RV using all Victron components including 12/3000 120 Multiplus for charging, etc. The first two packs that I built will charge to 14.2V (which is...

Having trouble getting real answer to this question. Nephew says that if a lithium cell gets wet it will immediately explode in flames. Not sure if that applies to lithium ion, LifePO4, both, or neither. Don't really want to test this myself. But I am interested in building my own packs for my...

How bad is it to double up two lugs on one post of a buss bar? I bought 4 post buss bars. I have 4 batteries wiring in parallel. I also need the cable going downstream to the t-class fuse, then cutoff switch, then Lynx Power-in, then Multiplus. Will there be any negative effect if one post has a...

I am thinking about mounting a large solar panel on the front of my travel trailer and wonder if I would need to protect it while under travel? Many older travel trailers that had windows on the front had a cover that you would lower/lock while under travel to protect it and then raise it once...

I'm fairly certain this is going to be a dumb question, but I cannot reconcile it in my brainpan. My Multiplus 12/3000/120 can charge at 120A or be set to a lower charge rate. (I have not set it up to test it yet.) I am trying to figure out how it is possible to utilize the full 120A or...

Do I understand correctly that a pre-charge capacitor is only applicable to higher voltages and not capacity (amp hours/watt hours)? Meaning, a pre-charge capacitor is not necessary for 12v system even if there may be 4 280AH packs in parallel, but it would be recommended in a 48V system even if...

As a beginner myself, I thought I would post a review of my experience purchasing 8 EVE LF280K cells from 18650batterystore here in Beginner's Corner in case it helps another newbie trying to navigate this stuff. I researched for months about DIY lithium cells and how to build packs, etc. It's a...

There was a very useful thread pinned to the top of the General Discussion area that provided useful terms, acronyms and abbreviations to help people know what the correct way to use things like k vs K, V vs v, A vs amps or a, etc. I used it quite a bit. Actually, think I used it last night or...

Pondering another question about amperage. If I add a 12V to 24V converter to charge a 24V battery from the truck's alternator, is the following sequence and amperages correct? The primary question is whether the step up converter and the DC charger should have the same amperage rating. I want a...

Tried my hand at a diagram for the system I plan to install in my travel trailer. I have ordered the first 8 LF280K cells and JK 200A BMS, but that is all so far. Looking for advice on a couple of specific items at this stage. 1a. I understand that a T Class fuse should be used. Based on the...

I was considering the JK B2A8S20P for my 24v LF280K batteries in which I would have two banks wired in parallel. However, I saw in one of Off Grid Garage videos (8 months old) that these are not compatible for use in parallel battery banks. I sent an email to Jikong Technology to verify this as...

I have been communicating with a rep for a company that seems to be reputable on this forum and in some YouTube videos. After getting many questions answered I was feeling very comfortable and just had two final questions before ordering. One question was just clarifying the cost difference...

First time trying my hand at building my own lifepo4 battery banks. I want to go 24v (will be run with a 24v 3000 watt Victron Multiplus, and solar TBD) in an RV, and wondering if there is any disadvantage to option A below (preferred at the moment) versus option B? Option A: Start with one 8s...

Cannot find this specific question answered... I do not yet have solar for my new RV. I ordered a 206AH SOK battery, which will be charged via the onboard converter charger (swapping the OEM with a lithium compatible converter charger). Without the typical solar controllers, panels, etc., in...