Aegiron Kobalt 40V 6.0Ah battery front view powering extended yard work
Aegiron Kobalt 40V 6.0Ah LED indicator shows charge status during use
Aegiron Kobalt 40V 6.0Ah rugged ABS+PC housing on outdoor tool
Aegiron Kobalt 40V 6.0Ah BMS system protects during operation
Aegiron Kobalt 40V 6.0Ah with safety certifications for trust
Aegiron Kobalt 40V 6.0Ah ultra-low discharge preserves charge when idle
Aegiron Kobalt 40V 6.0Ah in-use with tools demonstrating longer runtimes
Aegiron Kobalt 40V 6.0Ah charging process with standard charger

Aegiron

Aegiron 6.0Ah Replacement Battery for Kobalt 40V Max | KB440-03, KB2540C-06 & More

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

$87.92

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Why customers choose TaskHolt Tools

Extend your Kobalt 40V Max toolkit with Aegiron 6.0Ah

Upgrade to a premium, high-density lithium battery that prioritizes energy efficiency and steady power for outdoor projects. The Aegiron 6.0Ah replacement is designed to slot into your existing Kobalt 40V Max system, offering a noticeable boost in runtime without changing how you work.

Compared with the original 2.0Ah Kobalt pack, this unit can deliver up to five times the running time in typical yard tasks. That means longer mowing sessions, more consistent trimming, and fewer interruptions when you’re clearing debris or tackling heavier landscaping routines. Real-world impact appears as extended sessions and a smoother workflow across larger grounds.

The design emphasizes plug-and-play convenience: it works with a broad range of tools in the 40V Max family and is compatible with the chargers you already own. You can confidently swap in this replacement for a mower, leaf blower, trimmer, chainsaw, or snow blower within the Kobalt 40V line.

Key benefits at a glance

  • Direct replacement for Kobalt 40V Max batteries, including KB440-03, KB2540C-06, KB640-03, KB240-06.
  • Works with KRC60-06, KRC40-06, and KRC 840-03 chargers for seamless charging.
  • 4-light LED gauge shows real-time status, helping you pace work without guesswork.
  • ABS+PC rugged housing resists impact and maintains stability in varying conditions.
  • 5-Level BMS provides protection against overcharge, over-discharge, over-current, overheating, and short circuits.

Durability and long-term reliability are built in. The Aegiron battery supports 1200+ charging cycles and carries a 5-year warranty, backed by responsive customer service. An ultra-low self-discharge rate of about 1% helps the battery hold its charge during storage, so it’s ready when you are.

Whether you’re maintaining a mid-sized lawn or running through a demanding landscaping project, this replacement aims to keep your tools powered and ready. While results can vary with tool type and usage, the combination of higher capacity cells, safety features, and broad compatibility is designed to expand your 40V Max toolkit’s potential.

FAQ

Q: Which Kobalt batteries does this replacement support?

A: Replaces Kobalt 40V Max packs such as KB440-03, KB2540C-06, KB640-03, and KB240-06.

Q: What safety features and warranty are included?

A: Equipped with a 5-level BMS, global safety certifications, and a 5-year warranty for peace of mind.

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