The Hooyman 40v 2AH Lithium-Ion Battery delivers a longer run time, higher performance and fade-free power with no memory loss, unlike other conventional batteries. Battery Snaps in and out of saw easily and includes a battery charge indicator for power levelchecks. Charges in around 60 minutes and provides up to 70 minutes of power. Replacement battery for the Hooyman cordless saw.WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.