- Dual Battery Charger -The Dual Battery Charger is the fastest way to charge your Max 2 batteries - and it can charge two simultaneously, so you save time and always have a spare ready. Dual LEDs let you easily check battery levels and charging status, even when the charger's unplugged, and extra-tall battery slots keep the batteries secure at home or on the go. Includes two Max 2 Enduro batteries.- Enduro Lithium-ion Battery -Capture all-day adventure with the 1960mAh rechargeable Enduro for Max 2 - a premium, long-lasting GoPro battery that maximizes your camera's power, runtime and performance across a wide temperature range. You'll be able to record with full camera functionality even in below-freezing temperatures, making it easy to get epic ski and snowboard shots or any anything else that comes your way..