Greenworks 40-Volt 5.0Ah Battery with Built In USB Charing Port 2934102AZ - Best Buy
HART® 40V Battery System | All Power, No Gas - HART Tools
RYOBI 40V Lithium-Ion 4.0 Ah High Capacity Battery OP4040A1 - The Home Depot
Makita XGT 40V Max Battery Tech Explained
Kobalt 40-Volt 4 Ah Rechargeable Lithium Ion (Li-Ion) Reconditioned Cordless Power Equipment Battery in the Cordless Power Equipment Batteries & Chargers department at Lowes.com
Kobalt 40-Volt Lithium Ion Standard Charger in the Cordless Power Equipment Batteries & Chargers department at Lowes.com
RYOBI 40V Lithium-Ion 6.0 Ah High Capacity Battery and Charger Kit OP40602-04VNM - The Home Depot
Kobalt 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
RYOBI 40V Lithium-Ion 4.0 Ah Battery and Rapid Charger OP40404-06VNM - The Home Depot