2PACK 40V 6.0Ah Replacement Battery for Kobalt 40V MAX Lithium Ion Battery KB440-06 KB240-06 KB2540C-06 KB640-03

【Energy-dense battery for Kobalt 40V Tools】This high-capacity 40V 6000mAh battery delivers 2X longer runtime for Kobalt 40V tools and significantly stronger performance compared to standard Kobalt batteries. Thanks to its increased capacity and enduring performance, you can complete tasks in half the time! 【Superior Compatibility】 Compatible with multiple Kobalt 40V cordless tools such as Kobalt 40V lawn mower, leaf blower, chainsaw and snow blower etc. Replacement for Kobalt 40V battery KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03. 【Unmatched Durability】Featuring an advanced power management system, this battery is safeguarded against overheating, overcharging, and impacts. Thanks to its shock-resistant construction, efficient cooling technology, and smart power regulation, it maintains peak performance for 3 years. 【Convenient Battery Monitoring】The built-in LED fuel gauge displays remaining power at a glance with 4 clear indicators, allowing for quick and easy battery status checks. 【2 Year Warranty & Support】Free return and replacement services are provided for 24 months, accompanied by continuous email support. Should any battery-related issues arise, please contact us via email at your convenience.