Kobalt 40V 4.0Ah Replacement Battery

Everything You Need, Nothing You

REPLACE YOUR KOBALT 40V BATTERY WITH OUR RECHARGEABLE LITHIUM-ION BATTERY

EASY TO REPLACE - Our battery is a great alternative battery for Kobalt 40V Battery. It closely mirrors the original battery in terms of fit, capacity, charging speed, and overall compatibility. It fits with models like the KB-540-06, KB440-06, KB240-06, KB2540C-06, and KB640-03.

FULLY COMPATIBLE - Perfect for Kobalt 40V power tools such as chain saws, leaf blowers, lawn mowers, and string trimmers. Compatible with Kobalt 40V chargers KRC60-06, KRC40-06, and KRC40-06.

LONG-LASTING POWER - Our battery offers twice the run time and stronger power compared to the original Kobalt 40V battery. Fully charged, it works well for long periods without needing frequent battery replacements, improving your work efficiency.

INTELLIGENT BATTERY SYSTEM - Equipped with an ECP smart protection chip, it protects against overcharge, over-discharge, overpower, overtemperature, overcurrent, and short circuits. With 4 LED lights for easy status checking, it also features an effective cooling system to prevent overheating, ensuring worry-free use.

RELIABLE AND DURABLE - Built to premium standards, our battery is made of high-quality materials and features a smart chip. It's CE, FCC, PSE, and ROHS certified, tested to match original Kobalt products for safe and reliable use. Charged or discharged as needed, it won't lose capacity or memory effect.