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Ahh ok. Thank you Hedges! So my testing amps with the leads, without being underload, is pointless? So I should only test the amps with clamp probe when under load? Just the probes for the Voltage. Makes sense. Which amps do I consider when adding my panels in series amps for sizing my...

Yes. Its a Klein CL390. There are only 2 places to connect the probes. Not using the clamp probe at all. DC Amps setting. However, I get completely different readings on the 40A vs 400A DC settings. I have no idea why. So Im just using the 400A setting. But yes, 2 panels in series, Pos/Neg...

I'm just measuring the V and Amps with a voltage tester. Each panel was putting out around 3.7amps, then when I hook 2 in series, they amps then showed over 8, and the voltage doubled from roughly 58 per panel, to 116 when in series. This was expected, but 8.2 amps was not expected.

Thank you for the reply MisterSandals. So that is normal that both amps and volts will double when 2 panels are connected in series, and tested, while not under load? Just trying to figure out the best way to started an expandable system (charger/inverter wise) with just a few of my panels to...

I'm thinking it mighta been a silly question..

I hope this is just a silly question! I bought a bunch of used panels and I don't have my controller/inverter or batteries yet, I'm just testing out the panels. When I take 2 panels and connect them in series, both the Volts and Amps double? Is this just because its not under load? - Each 320w...

Thank you for the input Chrisski ??

An all one sounds like a wise idea. Any Recommendations on brand or model? Thank you Filter Guy!

Hey guys! First off, I love you guys. I appreciate all the thoughtfulness and help that you guys give to everyone. Thank you all for your time. I have a 1990 Terry 30 foot camper. All original electronics. Fuse/distribution box, 120v plugs, 12v lights, shore power extension cord, and there’s a...

Another Question; I bought this cheap balancer on ebay and it just got here. Is it safe to use/ worth it to use with my 4s battery and Daly BMS? https://www.ebay.com/itm/124341546007?var=425227656434

Just a follow-up and a question. Thanks again for the advice John. 3 of my cells were balanced and one was high. 3.320 and 3.522 respectively. I wired the 3 matching cells up in parallel and charged them up to 3.522. Then I added in the 4th cell and all were matching at 3.522. They have been...

That did it, Thank you John. I think the shorting of the pins did it. Setting my high voltage cutoff to 3.4 right now. I've tried doing top balancing twice now, but at a certain point the cells voltage begins to drop (before getting to 3.4). One cell is not matched it seems, and when charging in...

This is what it sounds like. The BMS is off and reading a lower then true voltage. I dont have an inverter here (this is an off grid project and my inverters are at the property). I think I'll buy another inverter today to discharge the batteries some.. When i hook up my desktop power supply...

And going down the like, all voltages read with BMS hooked up, are 2.5v less then what they actually are. And all cells together read 13.6 with my meter, but if I measure with the BMS hooked up 4th cell positive to BMS P-, I only get 10.8 volts. And

Hey guys, Im reading voltages with a meter, I cannot get the BMS to activate Bluetooth anymore. So I cannot use the app. It did work yesterday. Testing the 1st cell (bypassing the BMS), I get 3.6 volts. With the BMS hooked up, If I test the 1st cell positive, with the BMS P-. I get 1.1v Its...

With the sense leads disconnected I get the same readings. Battery positive to P- (through BMS) Im getting 10.8v, but Battery positive to Battery negative (or B-) I get 13.6 (bypassing BMS).

Setup my Daly BMS the other day and everything has been working ok. Cells are somewhat mismatched as one cell hits 3.6, while others are still 3.4. The BMS sucessfully shut down at high read while I was watching. I took everything apart, wired them in parallel, and let them sit with a low charge...

Setup my Daly BMS the other day and everything has been working ok. Cells are somewhat mismatched as one cell hits 3.6, while others are still 3.4. The BMS sucessfully shut down at high read while I was watching. I took everything apart, wired them in parallel, and let them sit with a low charge...