Black & Decker 3.6V Versa Pak Gold Battery is made to provide long lasting and efficient use. Battery is specially designed to last up to 60 % longer than standard batteries. Amazon.com Compatible with each and every Versa Pak tool, this 3.6-Volt gold battery provides 60 percent more run-time per charge than Black & Decker's silver Versa Pak batteries, so it's ready to go when you are. Supplying up to 300 recharges, and boasting the reliable power of nickel cadmium construction, the VP110 can help ensure that your household projects and clean-ups run smoothly. It also boasts zero memory technology--so you get the full the benefit of every recharge--and comes with a 2-year home-use warranty.