Ryobi P118 18V Dual Chemistry Lithium Ion / NiCad Battery Charger with 2 Genuine OEM P102 Compact Lithium Ion Batteries (Includes 1 x Charger and 2 x Batteries) - Amazon.com
Amazon.com: generic1 Ryobi ONE+ 18V Lithium-Ion 4.0 Ah Battery (2-Pack) and Charger Kit, 1 (PSK006) : Tools & Home Improvement
RYOBI P135 18V One+ 6 Port Lithium Ion Battery Supercharger (18V Batteries Not Included/Charger Only) - Amazon.com
Amazon.com: RYOBI 18V ONE+ Lithium+ 3.0 Ah Battery 2-Pack Starter Kit with Charger and Bag P166 : Tools & Home Improvement
Amazon.com: SZWJT-LV Battery Holder for Ryobi, Battery Storage for Ryobi, Aluminum 18V Battery Holder for Ryobi, Mount Wall Rack with 4 Slots for Ryobi 18V Batteries (Black) : Tools & Home Improvement