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BOTKK BY5040 12V 3.0Ah Replacement Battery for SKIL1 / 7
Product guide

BOTKK BY5040 12V 3.0Ah Replacement Battery for SKIL

BOTKK BY5040 is a rechargeable 12V lithium-ion replacement battery listed for SKIL 12V tools and chargers. Its claimed 3.0Ah capacity and charge-level indicator may suit users seeking a replacement or spare, but it is not for SKIL 20V or 40V tools.

At a glance

  • The listing specifies a 3.0Ah capacity and 36Wh energy for this 12V replacement battery.
  • A built-in LED indicator is claimed to show remaining charge at the press of a button.
  • The manufacturer lists compatibility with SKIL 12V tools and chargers, including several named battery and charger models.
  • The listing says one replacement battery is included and claims a 30-day money-back guarantee and 12-month limited warranty.
Price
$22.99Save 23%

Reference price: $29.99

Price checked: Nov 14, 2026

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Often bought together

Pros and cons

Pros

  • The claimed 3.0Ah capacity is higher than the 2.0Ah battery used as the listing's comparison, which may mean longer runtime between charges.
  • A charge indicator offers a quick way to check the battery's remaining power, according to the listing.
  • The stated 12V tool and charger compatibility supports use as a replacement or spare for compatible SKIL equipment.

Technical specifications

11 specifications
Identity
BrandBOTKK
ModelBY5040
Power and battery
Battery typeLithium Ion
Capacity3000 milliamp_hours
Voltage12 volts
RechargeableRechargeable
Amperage3000 milliamps
Energy36Wh
Compatibility
Tool and charger compatibilityCompatible with all SKIL 12V tools and chargers.
Not compatible withNot for 20V or 40V tools.
Dimensions and installation
Weight listed8.16 ounces

What to know before buying

Listing details to confirm

The listing describes the battery as compatible with all SKIL 12V tools and chargers, while also naming specific battery and charger models. Confirm the exact tool and charger model before purchase, and do not use it with 20V or 40V equipment. Capacity and runtime are manufacturer claims, not independent measurements.

Who is it for?

A good fit for

  • SKIL 12V tool owners seeking a claimed 3.0Ah replacement or spare battery.
  • Users who want a battery with a built-in charge indicator and already have a compatible SKIL 12V charger.

Less suited to

  • Owners of SKIL 20V or 40V tools.
  • Buyers who need independently verified capacity or runtime performance.
BOTKK BY5040 12V 3.0Ah Replacement Battery for SKIL · photo 2
Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 25 ratings
  • 5 stars76%76%
  • 4 stars9%9%
  • 3 stars9%9%
  • 2 stars6%6%
  • 1 star0%0%

Customer feedback reports that the battery works with power tools and highlights functionality and compatibility. These are customer perceptions, while the product's precise fit and stated capacity remain listing claims. Aggregate ratings are generally positive but include some lower-star ratings, so they do not establish consistent performance for every tool or user.

Positive themes

  • Customer feedback reports that the battery works with power tools.
  • Functionality and compatibility are identified as positive aspects in customer feedback.

Frequently asked questions

Which tools is the BOTKK BY5040 listed for?

The listing claims compatibility with SKIL 12V tools and specifies that it is not for 20V or 40V tools. Check your tool's voltage and model before buying.

What capacity does the listing specify?

It specifies 3000 milliamp_hours, also described as 3.0Ah, and lists energy as 36Wh. These are manufacturer claims, not independent measurements.

Does the battery include a charger?

The listing claims compatibility with SKIL 12V chargers but identifies one replacement battery as the product received. It does not list a charger as included.

What warranty and return terms are stated?

The listing claims a 30-day money-back guarantee and a 12-month limited warranty. Check the selected listing for the applicable terms.

BOTKK BY5040 12V 3.0Ah Replacement Battery for SKIL · photo 3
Additional product photo 3

Alternative options

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