Ryobi P191 3.0 Amp Hour High Capacity Lithium Ion Battery w/ Cold Weather Performance and LED Power Indicator (Charger Not Included / Battery Only) - Amazon.com
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Ryobi FVB03 4V 3aH Battery - YouTube
Amazon.com: Hanaix 12V 3Ah Lithium Battery Charger Compatible with RYOBI CB120L CB121L BPL-1220 130503001 130503005 (NOT for CB120N) for RYOBI 12V Lithium Battery : Tools & Home Improvement