Hi all I have notice that this battery which is old 12 v 60ah but it was reading 6.8 v when I first try to rejuvenated it but it was acting strangely while charging with 12T tesla switch so it was going up then suddenly go down and also when i discharged it, it act the same way first flashing with high brightness then it go diming. Watch the video here
does any one has an explination for this?
"Take the wisdom even from the mouths of the insane"
Looks as though you have 3 shorted cells and one of them is a intermediate short. The 6 volts tells you,you have 3 cells down. Just keep working with it for it might get better but use the light and discharge at a C 20 rate at least. Also take it down to 6.0v and recharge with out a rest 3 times in a row and peak it as high as it will go for 20 hrs to 30 hrs.
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