This
Battery BacPac attaches to your
GoPro camera to increase battery life. It's perfect for long-duration time-lapse photo sessions, endurance motorsports racing or any application where you need extended battery life.
<li>GoPro Battery BacPac
<li>Seamlessly attaches to the back of GoPro
<li>LCD window provides battery level or charge status
<li>LED displays recording status
<li>Charge using the GoPro Auto or Wall Charger, other USB charger or a computer
<li>Compatibility: HERO3+, HERO3, HD HERO2
<li>Set includes: Battery BacPac, BacPac compatible housing, BacPac backdoors, standard backdoors, USB charging cable, protective case