For Kobalt 40V MAX 6.0Ah / 7.5Ah Extended Run Li-Ion Battery KB540-06 KB440-03
Replace for Kobalt 40V Lithium-ion Battery For Kobalt 40V KB440-03 KB2540C-06 KB640-03 KB240-06 KB240C-06 KB640-06. 100% Compatible with Kobalt 40V Tools Model Compatible with all Kobalt 40V cordless power tool.