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Need some battery advice. I am looking to replace my 2 6v Lead Acid batteries with these, https://www.batteryclearinghouse.com...2v-22-5ah-pack in parallel using this https://jag35.com/products/dc-pcb-po...32028533457011. Jehu has a video showing the batteries pushing 80 Amps through that PCB...

I have a 26650 battery that I need to make sure I get the correct size heat shrink to wrap it completely. The cells are 4s7p but in a diagonal configuration. See photo. I'm not sure what size heat shrink I need to cover the entire battery. Will 280mm be large enough?

I harvested a bunch of 26650 cells. They were in a 5s7p configuration and I want to configure them for 48v to charge a bluetti or Delta unit I have. Should I do 15s or 16s? I'm not sure exactly what the difference is so if anyone can give me advice that'd be great.

I'm in Santa Monica and San Fernando Valley area. I have 9 of these packs that seem to have a bad BMS. I have them on Jags 3s3p PCB and whenever I put a load on them they drop in voltage. I, honestly, don't have any more time to troubleshoot and am not interested in harvesting the cells...

I built a 48v battery generator using These in series and wanted to know if it is okay to use them while charging them with solar. I have a buck controller that I connect 2 110w solar panels to. Not sure if there is something I need to install. I would be using these to supplement my ecoflow...

If I want to install a 24v cig plug using 48v battery do I need a 48v to 24v step down converter or can I use the 48v to 12v and just use 2 poles on a fuse block?

What settings should I use for 2 6v GC2 US batteries in series connected to the Victron 100/20? I have it at 14.4 Absorption and 13.2 float but it seems to stay in Bulk forever. Here are suggestions of battery.

Has anyone used a heavy duty suction cup to mount flexible or foldable panels on a travel trailer? Thinking of buying a few of these, https://smile.amazon.com/dp/B08JHZPG84/ref=cm_sw_r_cp_apa_glt_fabc_1EXRZ1YP894K2TAXEFA4?_encoding=UTF8&psc=1 for 3 bluetti folding panels I have while camping...

If I get a Victron 100/20 for my 48v battery bank, do I have to make sure the panels add up to over 48v? So if I have 2 110 panels that the VoC is only ~40v in series, will it not start charging?

Anyone see this? https://deltapro.ecoflow.com/portable-microgrid?_ga=2.179895532.979893492.1620920411-1002736556.1620920411 Just need to confirm if they are using LifePO4.

I asked this in Beginners corner but maybe someone can answer it better here. I bought an extra AC200P charger with the 7909 to XT90 cable. If I have a 48v LifePO4 battery that I put together can I use this charger to charge it? I'm assuming since the AC200P uses a LifePO4 battery that the...

Was just wondering if this charger can be used to charge any 48v lifepo4 battery.

Is this a good price on 150ah cells? Looks like it doesn't come with the BMS, but for another $100 or so you could get a 150ah battery. https://batteryevo.com/battery-evo-12v-lithium-lifepo4-150ah-2-kwh/

I am looking into supplementing my "solar" system on my Trailer. Right now it has 1 - 50 watt panel with a PWM controller. I have 2 232AH 6v batteries in series for 12v. I also have an Ecoflow Delta 1300 that came with 110w panels as well as a second panel. What I am thinking of doing is...