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I have a JK BMS with heat function and two temperature probes. It works well, I have not been able to find what temp probe activates the heat. Is it T1, T2 or an average of both.

JK 200A BMS. Mine did not come with wiring but Andy tested one that came with 2 x 7G wires which seems small. From my battery to RV I have 2/0. I bought 4G with the intention of using 2 of each to connect the BMS to the battery per pole internally however the 4G is very hard to work with...

Just got a new JK BMS B1A8S20P-H-C, a little confused for the heat cable. I know it switches negative and the cable has 5 negative cable tied together however it also has a black and red wire. Not sure what these are for and of course it’s not in the manual.

I know there has been much discussion about this and the fact that Daly and JKS don’t support parallel unless in Daly’s case you buy a parallel module. I am building a second 12v battery bank. Both batteries will have CATL 302a cells and will both have a B1A8S20P-H-C. If you consider that...

Building my 12v battery pack with a silicone 20w heat pad. I was surprised of the heat it puts out, reaches 160 deg F quickly. What’s the common installation method. I would think these are two hot to mount directly to the battery?

I have four CATL 302Ah with a Daly BMS, everything is working great. I have the room to add 4 more cells, do I just get a second 4s BMS and plug them in parallel or is there a way to run them is series at 24v and have a 8s BMS that would output 12v and accept a 12v charge. This is for an RV...

Hi all, finishing up my 4S battery pack for my RV. It’s made up of CATL 302A grade A cells and a Daly 250A smart BMS. Data sheet on these says maximum charge voltage is 3.65v, I was going to limit to 3.6v however I see on many YouTube videos people limiting to 3.5v. What is the general...

Hi all, I am building a LifeP04, 12v, 302A battery set for my RV to replace two AGM’s. I purchased grade A CATL cells. I also purchased 8020 aluminum extrusion with the idea of building an exoskeleton around the batteries. I didn’t realize that the aluminum case on these batteries is...

Hi all. Made the mistake of buying lifepo4 cells from aliexpress and it looked to good and was as they were never delivered, vendor tracking says they were and won’t refund. I will follow the AliExpress claims as well a PayPal but doesn’t look promising. Vendor was Shop912316039 Store. Can...

Hi all, I purchased a new RV yet to be received. It’s a class B+. I ordered the 400w solar panels and 3600w LP generator. The upgrade from AGM to Lithium was approx $5,000 which I felt completely crazy. I did my research and my 2000w inverter, dc-dc charger and solar controller can all be...

Hi all, new here, first post. Been watching a lot of youtube videos about batteries/solar and trying to learn as much as possible. We recently ordered an LTV U24TB RV. Won’t get it for at least another year as there’s huge backlogs in the RV world. I ordered the 400w solar panels, it will...