Best Kobalt 40v Tools Battery Included in 2025
Updated on July 2025
#1
Recommended
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- 40V Brushless chainsaw can make approximately 140 cuts of 4x4 wood on a fully charged 4.0 Ah battery (battery sold separately)
- Brushless motor enhances power, reduces noise, and extends motor lifespan
- Convenient push-button start for easy operation
- 14-inch bar and chain designed for cutting branches and smaller trees
- Features auto oiler and tool-free chain tensioning for straightforward maintenance
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- 40V Brushless chainsaw can make approximately 140 cuts of 4x4 wood on a fully charged 4.0 Ah battery (battery sold separately)
- Brushless motor enhances power, reduces noise, and extends motor lifespan
- Convenient push-button start for easy operation
- 14-inch bar and chain designed for cutting branches and smaller trees
- Features auto oiler and tool-free chain tensioning for straightforward maintenance
#2
Value for Money
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- Voltage: 40V, Capacity: 6.2Ah, Wattage: 248Wh, Type: Lithium-ion, designed for Kobalt 40V cordless tools, removable and rechargeable without memory effect.
- Compatible with various 40V cordless tools including string trimmers, leaf blowers, hedge trimmers, chainsaws, and lawn mowers. Replacement for models KPM1040A-03, KM-1640-06, KM4040-06, KM1940-07, KB440.
- Equipped with a 4-LED Fuel Gauge to provide real-time charge status. Compatible with KRC60-06, KRC40-06, and KRC840-03 chargers for fast recharging.
- Constructed with high-quality lithium cells, designed for safety with built-in protections against overcharging, discharging, current, and overheating. Durable ABS+PC materials offer fire resistance and heat dissipation.
- Includes 1 battery pack and a manual, along with a 30-day money-back guarantee and a 12-month limited warranty. Customer support available through Amazon account.
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- Voltage: 40V, Capacity: 6.2Ah, Wattage: 248Wh, Type: Lithium-ion, designed for Kobalt 40V cordless tools, removable and rechargeable without memory effect.
- Compatible with various 40V cordless tools including string trimmers, leaf blowers, hedge trimmers, chainsaws, and lawn mowers. Replacement for models KPM1040A-03, KM-1640-06, KM4040-06, KM1940-07, KB440.
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#3
17% Off
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- Integrated LED lights indicate battery charge status
- Compatible with all Kobalt 40-volt max Li-ion batteries
- Efficient charging minimizes downtime
- Specifically designed for 40-volt max Li-ion batteries
- Available in Black and Blue colors
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- Integrated LED lights indicate battery charge status
- Compatible with all Kobalt 40-volt max Li-ion batteries
- Efficient charging minimizes downtime
- Specifically designed for 40-volt max Li-ion batteries
- Available in Black and Blue colors
#4
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- Battery voltage of 40V and a capacity of 6000 mAh, designed for Li-ion technology; one rechargeable pack included.
- Compatible with Kobalt 40V tools including lawn mowers, snow blowers, and saws, and works with Kobalt 40V chargers; substitutes Kobalt Battery models 88620, 88675, L135, 88502, 66810, and L324.
- Meets safety standards with FCC, CE, and RoHS certifications; features an integrated smart chip and multiple protection systems to prevent over-charging, over-discharging, over-current, and over-heating.
- Features an upgraded 6000mAh capacity for 20% longer run-time compared to standard batteries; free from memory effect, allowing for on-demand charging and discharging without capacity loss; includes LED indicator lights for power status monitoring.
- Includes one 6.0 Ah replacement battery for Kobalt 40V; comes with a one-year manufacturer warranty.
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- Battery voltage of 40V and a capacity of 6000 mAh, designed for Li-ion technology; one rechargeable pack included.
- Compatible with Kobalt 40V tools including lawn mowers, snow blowers, and saws, and works with Kobalt 40V chargers; substitutes Kobalt Battery models 88620, 88675, L135, 88502, 66810, and L324.
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#5
23% Off
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- High-performance Kobalt 40-volt Li-ion 4.0Ah battery ensures consistent power without memory effects after charging
- Offers twice the capacity of the 2.0-Ah version for longer operational time
- Compatible with the complete range of Kobalt 40-volt max tools
- Built-in fuel gauge allows for quick power level assessment
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- High-performance Kobalt 40-volt Li-ion 4.0Ah battery ensures consistent power without memory effects after charging
- Offers twice the capacity of the 2.0-Ah version for longer operational time
- Compatible with the complete range of Kobalt 40-volt max tools
- Built-in fuel gauge allows for quick power level assessment
#6
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- 24-volt Max power rating
- 4 Amp-Hours capacity
- Lithium battery technology
- Compatible with Kobalt power tools
- Model number KB 424-03
- Rechargeable design
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- 24-volt Max power rating
- 4 Amp-Hours capacity
- Lithium battery technology
- Compatible with Kobalt power tools
- Model number KB 424-03
- Rechargeable design
#7
40% Off
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- Kobalt 40-Volt Lithium Ion battery charger
- Designed with a new top load format
- Compatible with Generation 2 cordless power equipment
- 2019 model offering improved features
- Efficient charging for Lithium Ion batteries
- Compact design suitable for storage
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- Kobalt 40-Volt Lithium Ion battery charger
- Designed with a new top load format
- Compatible with Generation 2 cordless power equipment
- 2019 model offering improved features
- Efficient charging for Lithium Ion batteries
- Compact design suitable for storage
#8
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- Stronger 6.0Ah 40-Volt battery offers up to 3X longer runtime for Kobalt tools, enhancing efficiency.
- Compatible with various Kobalt 40V cordless tools, including string trimmers, leaf blowers, hedge trimmers, chainsaws, and lawn mowers.
- Advanced cell protection technology ensures consistent power output and protects against overheating and overloading.
- Compact design reduces weight to 2.66 lbs while improving energy density for longer use and enhanced performance.
- 4-LED fuel gauge provides a quick view of remaining battery power and charge level.
- 18-month free return and replacement policy with 24/7 email support for any battery-related issues.
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- Stronger 6.0Ah 40-Volt battery offers up to 3X longer runtime for Kobalt tools, enhancing efficiency.
- Compatible with various Kobalt 40V cordless tools, including string trimmers, leaf blowers, hedge trimmers, chainsaws, and lawn mowers.
- Advanced cell protection technology ensures consistent power output and protects against overheating and overloading.
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#9
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- Battery Specs: Lithium-ion, 40V, 4000mAh, 160W, single pack; offers up to 4X longer runtime compared to Kobalt 40V 3.0Ah battery.
- Fully compatible with various Kobalt 40V tools and chargers, including models KB440-03, KB2540C-06, and KRC60-06.
- Features a powerful 40V 4.0Ah capacity with smart protection chip for overcharge/discharge prevention, extending lifespan with >1000 charge cycles and a 4-LED fuel gauge for charge status.
- Certified safe with CE, FCC, PSE, and ROHS; no memory effect allows for flexible charging and discharging without capacity loss.
- Backed by a 1.5-year warranty including 30-day money-back guarantee and 24/7 customer service for any inquiries.
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- Battery Specs: Lithium-ion, 40V, 4000mAh, 160W, single pack; offers up to 4X longer runtime compared to Kobalt 40V 3.0Ah battery.
- Fully compatible with various Kobalt 40V tools and chargers, including models KB440-03, KB2540C-06, and KRC60-06.
- Features a powerful 40V 4.0Ah capacity with smart protection chip for overcharge/discharge prevention, extending lifespan with >1000 charge cycles and a 4-LED fuel gauge for charge status.
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#10
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- Battery specifications: 40V voltage, 2.8Ah capacity, 112Wh wattage, lithium-ion type. Compatible replacement for Kobalt 40V cordless tools. Removable and rechargeable with no memory effect.
- Compatible with various 40V cordless tools, including string trimmers, leaf blowers, hedge trimmers, chainsaws, and lawn mowers. Works with Kobalt models KM 2041B-06, KPM1040A-03, KM-1640-06, and KM 4040-06.
- Equipped with a 4-LED fuel gauge system for charge level feedback. Can be quickly charged using original Kobalt 40V battery chargers KRC60-06, KRC40-06, and KRC 840-03.
- Manufactured with high-quality lithium cells, this battery does not experience memory effect. It incorporates protections against overcharging, discharging, overcurrent, and overheating. The durable battery case is made of ABS+PC materials for enhanced safety and heat dissipation.
- Includes one battery pack and manual. Backed by a 30-day money-back guarantee and a 12-month limited warranty. Customer support is available via the Amazon
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- Battery specifications: 40V voltage, 2.8Ah capacity, 112Wh wattage, lithium-ion type. Compatible replacement for Kobalt 40V cordless tools. Removable and rechargeable with no memory effect.
- Compatible with various 40V cordless tools, including string trimmers, leaf blowers, hedge trimmers, chainsaws, and lawn mowers. Works with Kobalt models KM 2041B-06, KPM1040A-03, KM-1640-06, and KM 4040-06.
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