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I am trying to turn off the feature that auto calculates the amp hours. This has caused us many problems. JBD has told me that it is EDV_EN. And this needs to be checked. Anyone know about this?

I have opened a lot of Lifepo4 batteries from different manufactures and have seen lots of damage from moisture. Almost all of these are from condensation and not submersion. All of these are made in China (yes all) and it doesn't matter the conditions where they are assembled because there is...

I mentioned my budget was 200-500, but im willing to pay 1000 or so for a kickass unit with warranty. I will check out the Kunkin but reading the alibaba website page is tough. Also, warranty is a crazy issue with dealing directly with china. Im not worried about a $200 unit if it breaks but...

yea, it takes me too long to test a 12v battery. Sometimes I have 20 that need testing.

I have a couple of these testers (150w version) and I'm looking for something better. I test a lot of lithium batteries and I have seen a few videos where the tester can pull 40a or so. This is usually done at 5v or less. I need a good tester that can work with 12v and pull more amps than...

But, the big question is... Should I pay 50% more for a grade A? If I buy a 100ah cell and usually only use 40-50ahs, will a grade B cell diminish that much? Im wondering if I will even notice the difference.

I like the idea of not letting unexperienced people change the settings via bluetooth.

I am making a couple batteries for some friends..I would love to have BMS that shows bluetooth info to battery owner on their battery..I would also like to be able to custom set perimeters (low temp, high voltage cutoff and such) but customer doesnt need to. Can I get DALY smart BMS and use...

Id also like to add that we have a switch to turn off all power to batteries and there will be no draw while unattended except for the bms.

I am building my own batteries from lifepo4 cells from china, I also have Dakota Lithium batteries that I install on trolling motors. Im looking for good chargers for these DIY builds. Here's my question... I have tested the Dakota chargers and noticed they charge batteries to 14.35v and...

I just received the one with the pink looking fan... i have a question on these... I set low cutoff to 11.5 and had volt meter on battery directly, I noticed the volt difference between the two was like .2-.4 volts. Tester turned off at 11.5 but volt meter showed battery was still at 11.8...

Hey guys, I have some 60ah prismatic cells on the way and wanted to build my own golf cart setup. I will have extra cells to make some 4s 12v for other uses. I have watched tons of videos and can't wait to test these things out. It seems like the more videos watched and more articles I read...

discontinued , what amp do you think I need? 100amp BMS?

Thank you snoobler for the recommendation... I looked up overkill solar and they only have a 24v and a 12v BMS on their website

I'm just getting into Lifepo4 and I am going to order cells for a 48v DIY golf cart. I'll probaly go with 16 100ah cells in packs of 4 (12v) ran in series to get 48v. I think I'll go with a 48v BMS so I can watch all the cells individually. Any recommendations on a good BMS with bluetooth...