DEWALT 20-Volt 2-Pack 2 Amp-Hour; 2 Amp-Hour Lithium Power Tool Battery Adapter Kit (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com
Amazon.com: Ryobi P102 18 Volt One Plus Compact Lithium Ion Battery Pack (Bulk Packaged) : Tools & Home Improvement
Ryobi P102 Genuine OEM 18V One+ Lithium Ion Compact Battery for Ryobi Cordless Power Tools - Cordless Tool Battery Packs - Amazon.com