DEWALT 20V MAX Battery, Compact 2.0Ah Double Pack (DCB203-2) Compact Lithium Ion pack provides up to 33% longer run-time than standard 20V MAX battery packs 3-LED fuel gauge system allows immediate feedback on state of charge No memory and virtually no self-discharge for maximum productivity and less downtime Individual pack weights 1.0 lbs allowing user maximum run-time in a lightweight battery No memory and virtually no self-discharge for maximum productivity and less downtime Individual pack weights 1.0 lbs allowing user maximum run-time in a lightweight battery