68Wh Li-ion V-Mount Battery The compact and lightweight ENDURA-7S has a capacity of 68Wh and features an integrated 3 step LED Power Indicator to display the battery capacity status. Economical and distinctive in design, the E-7S is built to the highest standards of quality, safety and reliability proven in all ENDURA batteries. The Power Indicator is for quick reference of the charge status on the E-7S. A simple 3 LED indicator shows if the battery is full or requires charging.