Electronics > Projects, Designs, and Technical Stuff
How to make a dummy load for testing
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yannickg:
I'm currently working on a battery supply with protection/charging and I would like to test battery discharge but right now I only have LEDs as a load and current use is low so discharge is too slow.

I tried adding more LEDs but it seems like the circuit cuts off for some reason.

Is there a better way to have a manageable load that I could adjust or calculate to drain my battery at an acceptable rate?

I'm using a li-ion 18650 3300mah.

Thanks
MarkF:
Here is what I did:
   https://www.eevblog.com/forum/beginners/struggling-with-dc-load/msg2698044/#msg2698044

Max current 2.5A at about 40W with fan.

yannickg:
Would you mind giving a basic explanation of what the circuit does please?

Thanks
MarkF:

--- Quote from: yannickg on February 28, 2020, 11:52:27 am ---Would you mind giving a basic explanation of what the circuit does please?

Thanks

--- End quote ---

Follow the link...   Watch the linked video...

Basically, the load allows you to set a constant current from the source (i.e. your batteries).
yannickg:
Thanks!
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