Sony VTC5 Batteries Are BACK! These are the newest Sony VTC5 2600 mAh Battery. These have a nominal capacity of 2600 mAh and rated capacity of 2500 mAh. The continuous maximum charge current is 4A, continuous plus charge current is 12A, and the max continuous discharge is 20A. It has a 18mm diameter and is 65mm in length. The nominal voltage is 3.6V, charge voltage is 4.20ｱ0.05V, and cut-off voltage is 2.5V. These Sony VTC5's are a flat top battery.