Another attempt to revive old batteries !

As you know, I'm restoring old bitchar-g cars, clone bullets were on the bench this evening.

A lot of my old bcg have broken batteries so the "job" this time was to check half dozen cars and related batteries; as usual 5 of 6 batteries leaked acid !

I polished both batteries poles and cars contact with my Dremel; then I decided to recharge dead batteries with a charging current of 220 mAh for 20 minutes.


The four batteries has been marked C01 to C04 in order to trace their results; all of them were slightly warm after charging for 20 minutes.

C01 and C02 gave me more than half hour of solid running, I used them to check several motors and to battle with Darko who joined the party later; I left C03 and C04 sit overnight on the bench without connecting them to cars, I will try them tomorrow. I wonder if those two will retain the charge.

Good news about motors, I checked some good motors, only two were stuck;
I discovered a very good chassis too, that car has a good steering and has been promoted officially to be a "race car" :D

I hope that those batteries could be saved, stay tuned to discover if I need a tons of new batteries :D :D

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Edit
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The day after those batteries were discharged almost entirely but after a quick charge they have been used in two cars without problem.
I have not enough data to make a statement but MAYBE I saved those four batteries!!