⚡High-Capacity Power: Upgrade with our replacement Kobalt 40V Battery 4.0Ah , delivering the same 4.0Ah capacity as the original for consistent, high-performance power. 🚀 Perfect Replacement➕100% Compatible : Perfect Replacement for Kobalt 40V battery KB440-03 KB640-03 KB240-06 KB240C-06 KB640-06, etc. Ensures a seamless fit with Kobalt 40V chargers KRC60-06 KRC40-06 KRC 840-03, etc. 100% compatible with 45+ Kobalt 40V tools. 🌟LED Power Indicator: Easily track battery life with the integrated LED power indicator, ensuring you never run out of power unexpectedly during your tasks. ❄️Enhanced Longevity: Benefit from longevity-enhancing technology with multiple cooling channels and smart protection features, designed to maximize the lifespan of your Kobalt 40V Battery 4.0Ah. 🏅Certified Safety: Enjoy peace of mind with our Kobalt 40V Battery 4.0Ah replacement, featuring certified safety standards and smart protection to ensure safe and reliable use. 📞2-Year replace: Enjoy a worry-free 2-year replace with free full refund or replacement (no repairs).If You Have Any Questions About The Replacement For Kobalt 40V Battery, You Can Click The "𝐀𝐬𝐤 𝐀 𝐐𝐮𝐞𝐬𝐭𝐢𝐨𝐧" On Our Storefront Or In "𝐘𝐨𝐮𝐫 𝐎𝐫𝐝𝐞𝐫" Options Click The "𝐂𝐨𝐧𝐭𝐚𝐜𝐭 𝐒𝐞𝐥𝐥𝐞𝐫".We Are Committed To Resolving Any Situation In Which Our Product Does Not Meet Your Expectations. Perfect Replace for Kobalt 40V Lithium-ion Battery PN：For Kobalt 40V KB440-03 KB2540C-06 KB640-03 KB240-06 KB240C-06 KB640-06 KB245-06 ‎KRC40-06 KB440C-06 KRC60 KRC40-06 KB240-06 KB340C-06 2910003-RC KB440C-06 KBK0140-06 KB2540C-06 KB540C-06 1302703 Lithium Ion Cordless Tools Battery Compatible with Kobalt 40V Charger: KRC60-06 / KRC40-06 / KRC 840-03 Charger Compatible with all Kobalt 40V cordless power tools: KAI 0040-06 KBSP 1040B-03 KCS 1040B-03 KEG 1040B-03 KHB 3040-06 KHB 4840-06 KHT 1040B-03 KHT 2040-06 KJR 1040-03 KLB 1040B-03 KMH 1040-03 KMS 1040B-03 KPC 1040B-03 KPM 1040B-03 KPS 80-08KPS 1040B-03 KSB 1040B-03 KSP 2040-06 KSPM 1040B-03 KST 1040B-03 etc