Ryobi OP40261  40V 2.6 Ah Li-Ion Battery + 0P401 40v Charger 

WORKING, The charger charged the battery from 1 light to Full.

Note that I cannot vouch for the longevity of the battery as I don't have any Ryobi tools to test it with.

Smoke Free Home!

Condition: Excellent Pre-owned.

See Pictures As Part of the Description