Electronics > Projects, Designs, and Technical Stuff
How to make a dummy load for testing
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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