71Wh Lithium Ion V-Mount Battery Pack with PowerLink
The world's first on-board power doubling battery system has been upgraded. The new E-7 provides the highest power-to-weight ratio in the industry.Using our exclusive PowerLink™ the 71Wh E-7 can double to 142Wh at less than 2 ½ lbs.The new E-7 supports the same features as the E-10.