Dead lithium ryobi batteries. All good for rebuilding. New cell packs can be had cheap online. One of these is a dead 3AH battery, 5s2p with one dead cell.
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I also have ni-cad ryobi. And a Ni-Cad Ryobi charger.
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Some of the Ryobi Ni-cads are 12v, some are 14.4v Ryobi Ni-Cad. The Ryobi 14.4v Ni-Cad has voltage.
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If you want these dead Ryobi Lithium batteries to rebuid yourself, you can contact me at 5 3 0 sis four sis, 6 2 8 6.