The next dimension in power now available in 5AH. Get 50% more power* enabling faster application speeds and increased productivity with more than 50% more work per charge** using this battery that works with all the 18V XR tools you already have. This battery provides twice the lifetime*** and features an impact-resistant, overmolded base with non-marring material. (*vs. DeWalt DCB184 battery, not in application **Usable energy vs. DeWalt DCB184 battery, not in application ***Charge cycles vs. DeWalt DCB184 battery.)