Kobalt 40V Max 4.0Ah Extended Run Battery + Fast Charger

genuine OEM Kobalt 40V Max 4.0Ah Extended Run Lithium-Ion battery paired with a Kobalt 40V Max Fast Charger — a complete ready-to-use power combo for anyone in the Kobalt 40V Max battery platform. The 4.0Ah Extended Run capacity delivers serious runtime for string trimmers, leaf blowers, chainsaws, and other demanding Kobalt 40V tools — keeping you working longer between charges than standard 2.0Ah batteries. The fast charger gets your battery back to full charge quickly — less downtime, more time on the tool. Both units are 100% genuine OEM Kobalt products. Compatible with the full lineup of Kobalt 40V Max tools.