Hobby Charger Mod **PIC HEAVY**

I got tired of my 2 bay charger, tired of charging 1 battery at a time on my hobby charger, and didn't want to buy another separate charger for my many different batteries. So I thought, why not mod my old NiMH charger to charge more batteries on my hobby charger?

I can now charge any size LiPo, NiMH, Li-Ion, LiFe, NiCd all on one charger up to 4 batteries at one chemistry at a time! What's great is that it can also benefit from the functionality of my hobby charger. I.e. charge, discharge, cycle, selectable charge or discharge rate up to 5A, and has a monitoring software.

Charger ready to be taken apart:




Oh no! Security screw!


Easy fix, used my Dremel to cut a notch in my screwdriver:


Old chargers' guts:


Charger board taken out:


Used 14 gauge silicone wire for the main leads and 20 gauge wire for the balancing leads:


Also used an extension 4S JST connector and cut out some perfboard for securing the spring contacts:


Voila! completed!
Banana plug posts for easy use:


Now charging 4 26650 batteries for my 4D incan:




Thanks for looking!

Happy Easter everyone!

Nice mod :gj:
+1 :beer:

Jim

Thanks Jim! :yh:

Looks awesome! Very good job

Thank you John! :beer:

Great job Jufran. The balance taps are very important for muti cell charging. +1

Here's mine

Thanks n2stuff! Yes, they are since there are occasions that not all cells will have the same voltage when you charge them. They bleed out the extra voltage from the balancing leads.

Edit: Nice job on yours as well! I was going to go that route, but since I had an extra charger I didn't use and happened to be a universal charger so it was perfect!

Jufran88 said:

Thanks n2stuff! Yes, they are since there are occasions that not all cells will have the same voltage when you charge them. They bleed out the extra voltage from the balancing leads.

Edit: Nice job on yours as well! I was going to go that route, but since I had an extra charger I didn't use and happened to be a universal charger so it was perfect!

Click to expand...

It would be nice to have that setup because of differant battery sizes.

I bought that charger about a year ago for about 10-15 dollars at all battery I believe. :beer: