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Product guide

GERIT BATT KM 2041B-06 40V Replacement Battery, 2-Pack

Pack: GERIT BATT KM 2041B-06 replacement batteries are listed for Kobalt 40V cordless tools. This two-battery set is specified as lithium-ion with 6000 milliamp-hours capacity per battery, and includes a four-light charge-status indicator claim.

At a glance

  • Listed as a replacement for Kobalt 40V batteries and cordless tools.
  • The seller lists compatibility with string trimmers, leaf blowers, hedge trimmers, chainsaws and lawn mowers.
  • Four LED indicator lights are claimed to show remaining battery status.
  • The listing claims 6000mAh capacity and says this is twice the runtime of a standard 3000mAh battery. Runtime will depend on the tool and operating conditions.
Price
$110.66Save 15%

Reference price: $129.69

Price checked: Nov 14, 2026

View offer

Pros and cons

Pros

  • Two batteries are identified in the listing, allowing a spare to be available while the other is in use or charging.
  • Listed 40-volt compatibility covers several Kobalt outdoor power-tool types.
  • An on-battery four-light indicator is claimed to help check remaining charge.

Technical specifications

10 specifications
Identity
BrandGERIT BATT
ModelKM 2041B-06
Power and battery
Battery typeLithium Ion
Voltage40 volts
Capacity6000 milliamp_hours
Amperage6 A
RechargeableRechargeable
Number of batteries2 A batteries required. (included)
Weight per battery16 ounces
Compatibility and use
Recommended useIndoor/Outdoor

What to know before buying

Listing details to confirm

The listing variously describes capacity as 6000 milliamp_hours, 6.0Amps, and 6 A. These are inconsistent units in the source, so confirm the intended capacity and tool compatibility before buying. Its claims of compatibility with Kobalt 40V tools and chargers are seller claims, not independent verification.

Who is it for?

A good fit for

  • Kobalt 40V tool owners seeking a two-battery replacement set, after confirming their battery model and tool fit.
  • Buyers who would use a charge indicator and want replacement batteries claimed to suit multiple outdoor power-tool types.

Less suited to

  • Owners of tools outside the stated Kobalt 40V compatibility unless compatibility is confirmed.
  • Buyers who need independently verified runtime or capacity figures.
GERIT BATT KM 2041B-06 40V Replacement Battery, 2-Pack · photo 2
Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 841 ratings
  • 5 stars69%69%
  • 4 stars12%12%
  • 3 stars6%6%
  • 2 stars3%3%
  • 1 star10%10%

Customer feedback reports positive experiences with fit, charging, power and replacement use, while battery-life experiences are mixed, including reports of long use as well as trouble holding a charge. For buyers choosing these for Kobalt 40V tools, reported fit and charging matter alongside the listing's compatibility claims, but the feedback does not resolve the inconsistent capacity units or establish runtime for a particular tool.

Positive themes

  • Feedback describes good fit and charging, and some customers report useful power and replacement performance.

Mixed feedback

  • Battery-life feedback is mixed, with reports of long-lasting use and of batteries not holding charge.

Frequently asked questions

How many batteries are listed in the package?

The title describes a two-pack, and the battery details say two batteries are included. The package description also lists two replacement batteries and one user manual.

Which tools are these batteries claimed to fit?

The listing names Kobalt 40V string trimmers, leaf blowers, hedge trimmers, chainsaws and lawn mowers, among other cordless tools. Check your tool's battery model and fit before ordering.

What capacity should I expect?

The listing gives 6000 milliamp_hours and also uses 6.0Amps and 6 A for capacity. Those descriptions are inconsistent, so verify the stated capacity with the seller before relying on it.

Does the listing include a charger?

No charger is named in the package description. It claims compatibility with Kobalt KRC60-06, KRC40-06 and KRC 840-03 chargers, but does not list a charger as included.

GERIT BATT KM 2041B-06 40V Replacement Battery, 2-Pack · photo 3
Additional product photo 3

Alternative options

Product details in Markdown