Kobalt 2-Pack 40-Volt Max 2.5 Ah Rechargeable Lithium Ion (Li-ion) Cordless Power Equipment Battery in the Cordless Power Equipment Batteries & Chargers department at Lowes.com
DEWALT 20-Volt MAX XR Premium Lithium-Ion 5.0Ah Battery Pack (2-Pack) DCB205-2 - The Home Depot