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I noticed this on the board. perhaps this came defective or burned somehow over the night of the first charge...this seems to be the problem. lastly but most importantly, thank you so much!

what I just noticed is. without plugging in the 300w inverter. the Cigarette Lighter Outlet adapter voltmeter also changing like 10v, 12. some v and 13.1v every other 10 seconds. and this is not happening when the Cigarette Lighter Outlet adapter is directly connected to battery pack terminals.

okay. thanks a lot.

just edited the inputs as you suggested. tested it (even with disconnecting and connecting wires). the problem still remains.

just edited. it was 24ah

yes. I actually changed it from factory default of the BMS (i do not remember what they were now but yes we can edit it) i thought that's got something to do with the battery diagram indicator on the first page and i did change them...how much should i put there?

Headway 38120 cells. 3.2v nominal...8ah cells. the whole pack is 4s3p. that said, it is 12.8v, 24ah battery pack.

BMS (4s 100a smart BMS Li-ion LifePo4 Lithium Protection Board balance H Current Bluetooth APP software Module ) output is throttling, but the direct output from the battery pack is stable and working just fine. so frustrating. (my set up, 4s3p lifepo4 battery pack with 38120 headway cells...

the one I got here is branded yeeco anyhow got its manual and I'm gonna upload here for those who may need it:)

My test set up here is; 4 Headway 38120 cells in series with no BMS. but the batteries are balance charged beforehand. now, after hooking it up, the battery bar shows empty. (yes, I was able to go in the hidden menu and calibrate the voltage according to the battery volt output over the...

Hey, I figured out. it worked now. also, to have the config option had to pay a $5.99 app upgrade fee. anyhow. I'm not sure if you've made a similar mistake like me that after connecting the balance leads differently or other words correctly perhaps, like the first black to the first negative...

that is messed up. somewhat fed up with those aliexpress seller's shady description. let me get this right? I got the 100a one, you say only the 120a, does that mean the rest balances?

Daly BMS doesn't have a balance function? they claim they do have right? my current BMS is: https://www.aliexpress.com/item/4000425339363.html?spm=a2g0s.9042311.0.0.5d3c4c4doltDaN but another Daly is coming. its 200a BMS and if that does not balance. I'm gonna so pissed with those DIYs now. my...

Unfortunately, all my devices are Apple. tried on a pc using Android virtual machine yet it seems there's Bluetooth connectivity support issue and in turn, couldn't get it connected.

Any solutions? i have the same issue now. the bluetooth unit is connected but no data. reset is playing no role.

thank you so much for everything!

thank you so much for everything!

thank you so much!

Is this okay? can I use it with the existing charger?

I did check the Lifepo4 battery real quick. like the Battleborn and such. are there smaller size models?

Okay. so it's 2p3s then?

I like the 9 amp idea! the lifepo4, frankly, I don't know that I'm new to this whole battery build stuff. Recently, began, following Will's channel, somehow, and now so interested in those builds...

Also, about the voltage, based on YouTubers, saw them turning those little cars faster by 18v batteries. I'm assuming putting 4 of these 18650 in series may give a little better kick as compared to the original 12v. for the amps, for longer use, I'd like to increase a bit if it's viable. if...

Thank you so much for your response! i really appreciate it! the 18650 batteries I have: just copied off from the eBay seller's post. LG Brown HG2 INR18650 3000mah 18650 Battery The authentic LG Brown HG2 INR18650 3000mah Battery caters to every wish for high-drain and high-capacity. With this...

Thank you so much for your response! i really appreciate it! the 18650 batteries I have: just copied off from the eBay seller's post. LG Brown HG2 INR18650 3000mah 18650 Battery The authentic LG Brown HG2 INR18650 3000mah Battery caters to every wish for high-drain and high-capacity. With this...

Hello everyone! been thinking to do this project for a while now and very happy to find this community literally today from Will Prowse's youtube channel. also thanks for looking. I got about 20 plus of those LG HG2 18650 Flat Top batteries off of eBay, all-new batteries. that said, I wanted to...