Equipped with multiple safeguards including overcurrent, overvoltage, short circuit, undervoltage, and over temperature protective to ensuring safe operational during use Lightweight and ergonomic design ( 8x3.2x2.7cm) makes it easy to carry and use, enhancing mobility for on the go photography and videography Specifically designed for Pocket 3 / 4, this battery handle features a built in 1600mAh high capacity battery to significantly extend your filming time without frequent recharging Features sturdy locking mechanism to keep the battery handle firmly attached, accidental detachment while filming 5V 3A fast charging via USB Type C port, allowing quick power replenishment so you can get back without long delays