RYOBI ONE+ 18V Lithium-Ion 1.5 Ah Battery PBP002 - The Home Depot
For RYOBI P108 18V One+ Plus High Capacity Battery 18 Volt Lithium-Ion 5Ah pack 685642860818 | eBay
RYOBI ONE+ 18V Cordless 5-1/2 in. Flooring Saw Kit with 4.0 Ah Battery, Charger, and Extra 5-1/2 in. Flooring Saw Blade PGC21K-A06F551 - The Home Depot
Ryobi ONE+ 18V 1.5AH Lithium+ Battery Introduction video - YouTube