Ryobi Part # OP40602-06 - Ryobi 40V Lithium-Ion 6.0 Ah High Capacity Battery And Rapid Charger Kit - Outdoor Power Equipment Accessories - Home Depot Pro
Ryobi 40V Battery and Charger Kit 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A - Amazon.com