Kobalt 24V 4Ah battery with charge indicator for on-tool visibility and planning

Kobalt

Kobalt 24-Volt Max 4.0Ah Lithium Battery KB 424-03 | Fast Charge & Smart Protection

High-performance tools and home improvement made for confident daily results

$64.99

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Why customers choose TaskHolt Tools

Powerful 24-volt performance for Kobalt tools

The Kobalt KB 424-03 is a 24V max, 4.0Ah lithium battery designed to deliver solid runtime and dependable power for your cordless toolkit. It’s built to support busy workloads and keep you moving through projects with balanced handling and consistent output.

Featuring a clear power indicator and an intelligent protection system, this battery helps you monitor charge status and protects the pack from common on-site stresses. The result is a reliable partner for daily DIY, renovations, and small-to-mid size tasks without guessing when to recharge.

Smart indicators and protection

  • Charge status visible on the battery, whether it’s on the tool or detached
  • Internal circuitry guards against extreme temperatures, over-discharge, and over-charge
  • Lithium chemistry delivers lightweight balance and longer life compared with older packs

Fast charging and broad compatibility

Recharge time is about 1 hour with a compatible charger (charger sold separately), helping minimize downtime between tasks.

  • Compatible with all Kobalt 24-volt max cordless tools
  • Ideal for a wide range of home and professional projects requiring reliable power

Real-world use cases

From framing to decking, cabinetry to finish work, this battery supports longer sessions between charges and steady performance, making it a practical choice for ongoing projects and quick turnarounds.

FAQ

Q: What tools is the Kobalt KB 424-03 battery compatible with?

A: This 24V max 4.0Ah Li-ion battery works with all Kobalt 24V max cordless tools.

Q: How long does charging take with the KB 424-03 battery?

A: Recharge time is about 1 hour with a compatible charger (charger sold separately).

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