Amazon.com: TenHutt 【3rd-Generation】 4.0Ah 40V Replace Battery for Kobalt 40V MAX 2540C-06 High Capacity Lithium-ion Battery KB440-03 KB2540C-06 KB640-03 KB240-06 for Cordless Power Tools : Tools & Home Improvement
Amazon.com: 【Upgrade】 CaliHutt 40V 6.0Ah Replacement Battery for Kobalt 40V MAX 2540C-06 High Capacity Lithium-ion Battery KB440-03 KB2540C-06 KB640-03 KB240-06 for Cordless Power Tools : Tools & Home Improvement
Amazon.com: 【Upgrade】 6.0Ah 40Volt Replacement Battery for Kobalt 40V MAX Battery 2540C-06 Lithium-ion Battery for KB440-03 KB2540C-06 KB640-03 KB240-06 for Cordless Power Tools -High Capacity : Tools & Home Improvement
Amazon.com: Kobalt 40v Max Li-Ion 2.0 Ah Quick Charge Battery : Tools & Home Improvement
Kobalt 40-Volt 2.5AH Amp Hours Rechargeable Lithium Ion (Li-ion) Cordless Power Equipment Battery - Amazon.com
Amazon.com: Kobalt 40v Max Li-Ion 2.0 Ah Quick Charge Battery : Tools & Home Improvement
Kobalt 40V Max Battery Charging Issues - YouTube
Kobalt 40-Volt Lithium Ion (li-ion) Battery at Lowes.com
Amazon.com: NEPOWILL 40V 4.0Ah Replacement Battery for Kobalt 40v Battery MAX 2540C-06, Rechargeable Lithium Ion Battery for Kobalt KB640-03 KB540C-06 KB245-06 KB240-06 Kb540-06 for Cordless Power Tools : Tools & Home Improvement
Kobalt 40v 40-Volt 2 Ah Lithium Ion (li-ion) Battery in the Cordless Power Equipment Batteries & Chargers department at Lowes.com
Kobalt 40-Volt Lithium Ion (li-ion) at Lowes.com
Kobalt 40v 40-Volt 6 Ah Lithium Ion (li-ion) Battery in the Cordless Power Equipment Batteries & Chargers department at Lowes.com
Amazon.com: 40V Lithium Ion Battery Charger (Battery Not included) for Kobalt 40 Volt Outdoor Cordless Power Tools and Equipment (Blower, Trimmer, Chainsaw, Pole Saw) Replace KRC 60-06 : Patio, Lawn & Garden