I have some 40 volt Kobalt Batteries that have full voltage and all the lights light up and I am selling them for $50 each for the good, working ones. these are the 4ah Kobalt Batteries, so they are a 10s 2p configuration. I currently have 2 of these, and I also have one low voltage Kobalt Battery that is sitting around 22v and might be dead or might need a charge.
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I do not own a Kobalt Charger or any Kobalt Tools for that matter. I get these in lots of "manufacturer return" batteries that I purchase by the kilogram to rip apart for the 18650 cells inside to use the cells to build eBike batteries. I only sell the stuff that looks vaguely valuable and the rest I rip apart for the cells.
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I live in Redding near Winco Foods, and I can drive them to you if it's not too far away.
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Please contact me via Text Message at 5 3 0, sis four sis, 6 2 8 6.