All Questions
Tagged with diy lithium-ion
9 questions
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600
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Is my 4s2p pack connections correct?
I'm planning to build my 4S2P battery pack using 18650 lithium-ion battery cells. I need to make sure my connections and my battery pack is correct and safe before I make the connections. Here's the ...
- 3
3
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2
answers
2k
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How to safely use Lithium-ion batteries in DIY projects?
Disclaimer: I am far from being an electrical engineer, I'm only a DIY enthusiast trying to stay safe.
I'm building a collection of sensors using little ESP-01 chips, but having them running free on ...
- 323
1
vote
2
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415
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Mixing old and new Li-ion batteries in parallel: long term effects?
I have four lithium-ion APC batteries. They are all from the same facility and their condition seems to be alright.
I'd like to connect all of them together in parallel, but my question is this: Will ...
- 135
0
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Charging DIY 3s1p Battery pack as NiMH replacement
I have an old appliance with a completely dead NiMH pack (about 0.2V per cell) and to blow new life into it I want to replace that with a lithium-ion pack.
The old pack was 12V so I was thinking of a ...
1
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1
answer
488
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How can I follow the current in this DW01A circuit?
I try to understand the inner logic of this diagram, this a modified version of a schematic that I found online. I made the necessary calculations for my power MOSFETs and all but I have some ...
- 21
1
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1
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962
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DIY protection board for lithium-ion batteries. How to scale a schematic?
I need to build a DIY protection board for a university project. We are not allowed to buy one online so I have to construct it myself.
I have found a variety of schematics accomplishing the same ...
- 21
1
vote
2
answers
252
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Correct solar panels to pick for drone-mod
After this, I think I will take a course on electrical engineering (fuzzy from school days).
I'm trying to add some flexible panels (they were <14g a panel)) to my drone (HS120D), to possibly give ...
- 111
0
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1
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573
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DIY battery Pack Cell amperage difference
I have individually tested the capacity of ten 18650 batteries with my iCharger 4010. My question is, how much ampacity difference is ok when packing them in parallel ? The following are the readings ...
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1
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1
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1k
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How charge custom Li-ion pack 36v 10s6p
I have 10x 6p 18650 batteries. 13AH.
I found a protection circuit.
My issue is that I don't know how to charge the batteries. I could use a power source but I got it from my school and it isn't mine.
...
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