Conveniently charge two GoPro batteries simultaneously, plus give your camera an extra boost. This pack includes a dual battery charger for MAX batteries, plus an Enduro battery that improves MAX's performance in cold weather. With Enduro, you'll be able to capture ski, snowboard, and other winter shots at lower temperatures than ever before while also extending recording times across a wide temperature range. GoPro MAX Dual Battery Charger + Enduro Battery | Christy Sports