BOTKK 3000mAh 40V Replacement Battery for Kobalt 40v Battery Compatible with Kobalt KB640-03 KB540C-06 KB240-06 Kb540-06 for Cordless Power Tools
BOTKK 3000mAh 40V Replacement Battery for Kobalt 40v Battery Compatible with Kobalt KB640-03 KB540C-06 KB240-06 Kb540-06 for Cordless Power Tools
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BOTKK 3000mAh 40V Replacement Battery for Kobalt 40v Battery Compatible with Kobalt KB640-03 KB540C-06 KB240-06 Kb540-06 for Cordless Power Tools

4.4 stars out of 5 reviews
(4.4)|
5 ratings

Key item features

  • Broad Compatibility: This 3000mAh 40V replacement battery is compatible with all Kobalt 40V cordless tools, including string trimmers, leaf blowers, hedge trimmers, chainsaws, and lawn mowers.
  • Specific Models: It replaces Kobalt battery models such as KB640-03, KB540C-06, KB240-06, Kb540-06, KM 2041B-06, KPM1040A-03, KM-1640-06, and KM 4040-06.
  • Advanced Cells: Manufactured with high-quality lithium cells, this battery offers no memory effect, allowing for charging or discharging as needed without capacity degradation.
  • Integrated Protection: The battery incorporates protections against over-charging, over-discharging, over-current, and over-heating to ensure safe operation.
  • Durable Casing: Its robust battery case is constructed from ABS+PC materials, providing sturdiness, fire resistance, and efficient heat dissipation.
  • Certified Safety: This replacement battery is approved with CE, FCC, ROHS, and MSDS certifications, ensuring safety and reliability.
  • Smart Chip: A built-in intelligent chip provides comprehensive protection against over-charge, over-heating, short-circuit, over-current, and overvoltage, extending tool life.
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Current price is $65.80
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  • Free shipping
  • Free 90-day returns

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Columbus, 43215
Arrives by Tue, Apr 7
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4.4 out of 5 stars
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Showing 1-3 of 3 reviews

Nov 23, 2025
anonymous
Top Reviewer
Sold and shipped byBOTKK
5 out of 5 stars review

Verified Purchase

Blower works great. I really like it. Walmarts bat

The battery was great. I used it to blow leaves

Incentivized Review
Helpful?4GNGFC8PGKB616626366358
Jan 12, 2026
Suzanne
Sold byBOTKKDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Charged up quickly and fit perfectly in my leave blower.

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Helpful?4GNGFC8PGKB616626366358
Dec 4, 2025
Anthony
Sold and shipped byBOTKK
5 out of 5 stars review

Verified Purchase

everything I expected

packaged nicely

Incentivized Review
Helpful?4GNGFC8PGKB616626366358