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Main image of 40V 4000Mah Battery Replacement for Kobalt 40V 4.0ah Rechargeable Lithium Ion Cordless Power Equipment Battery,Compatible with All Kobalt 40V max Team Tools

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Alt view image 3 of 7 - 40V 4000Mah Battery Replacement for Kobalt 40V 4.0ah Rechargeable Lithium Ion Cordless Power Equipment Battery,Compatible with All Kobalt 40V max Team Tools

Alt view image 4 of 7 - 40V 4000Mah Battery Replacement for Kobalt 40V 4.0ah Rechargeable Lithium Ion Cordless Power Equipment Battery,Compatible with All Kobalt 40V max Team Tools

Alt view image 5 of 7 - 40V 4000Mah Battery Replacement for Kobalt 40V 4.0ah Rechargeable Lithium Ion Cordless Power Equipment Battery,Compatible with All Kobalt 40V max Team Tools

Alt view image 6 of 7 - 40V 4000Mah Battery Replacement for Kobalt 40V 4.0ah Rechargeable Lithium Ion Cordless Power Equipment Battery,Compatible with All Kobalt 40V max Team Tools

Alt view image 7 of 7 - 40V 4000Mah Battery Replacement for Kobalt 40V 4.0ah Rechargeable Lithium Ion Cordless Power Equipment Battery,Compatible with All Kobalt 40V max Team Tools

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40V 4000Mah Battery Replacement for Kobalt 40V 4.0ah Rechargeable Lithium Ion Cordless Power Equipment Battery,Compatible with All Kobalt 40V max Team Tools

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Up to 100 percent more runtime than the standard Kobalt 2.0 Ah 40-volt battery. An on-board LED fuel indicator offers on-demand reference of remaining power. Designed for use with all Kobalt 37V-40V max team tools, including blower, backpack blower, trimmer, hedge trimmer, and lawn mower. All-weather performance: delivers fade-free power in extreme jobsite conditions. Monitors voltage and temperature to protect against overloading and extend battery life

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Up to 100 percent more runtime than the standard Kobalt 2.0 Ah 40-volt battery. An on-board LED fuel indicator offers on-demand reference of remaining power. Designed for use with all Kobalt 37V-40V max team tools, including blower, backpack blower, trimmer, hedge trimmer, and lawn mower.
All-weather performance: delivers fade-free power in extreme jobsite conditions. Monitors voltage and temperature to protect against overloading and extend battery life

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First Listed on Newegg	August 30, 2026

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Item#: 9SIC8ZSM5P6578