Replacement for Kobalt 40V Battery 6.0Ah, Compatible with All Kobalt 40 Volt Lithium-lon Battery Power Tools, Replace for 40V Max Battery KB440-03 KB2540C-06 KB640-03 KB240-06

[Upgraded with Up to 5X Longer Runtime] Features premium high-density lithium cells for a major breakthrough in energy efficiency. Delivers up to 5 times the running time compared to the original 2.0Ah Kobalt 40V battery, providing massive, fade-free power for extended yard maintenance and heavy-duty professional landscaping tasks. | [Seamless Compatibility & Wide Application] Designed specifically as a direct replacement for the Kobalt 40V Max series, this battery offers perfect compatibility with a full range of power tools including lawn mowers, leaf blowers, trimmers, chainsaws, and snow blowers. It works seamlessly with original battery models such as KB440-03, KB2540C-06, KB640-03, KB240-06, KB240C-06, KB640-06, KB245-06, KRC40-06, KB440C-06, KRC60, and 2910003-RC, and is fully compatible with chargers like KRC60-06, KRC40-06, and KRC 840-03, ensuring true plug-and-play convenience for your entire tool collection. | [Smart LED Display & Ruggedized Housing] The built-in 4-light smart LED indicator shows your real-time fuel gauge at a glance, allowing you to manage your workload effectively and avoid unexpected shutdowns. The reinforced housing is crafted from high-quality ABS+PC material, offering superior impact resistance and thermal stability compared to standard PE plastics. | [Advanced 5-Level BMS & Global Safety Certifications] Integrated with an intelligent Battery Management System (BMS) that provides comprehensive protection against overcharge, over-discharge, over-current, overheating, and short circuits. Fully certified by UL, IEC, UN38.3, FCC, CB, and PSE, ensuring the highest level of safety for your home and tools. | [1200+ Cycle Life & 5-Year Warranty] Engineered for long-term durability with up to 1200 charge cycles and minimal capacity fade. An ultra-low self-discharge rate of only 1% ensures the battery holds its charge longer during storage. Backed by our 5-year protection and dedicated customer service to ensure a completely worry-free purchase experience.