1 THREE CHANNEL CHARGER: The for X4 battery charger hub has three slots that allow you to charge three batteries at the same time via a USB C cable. When not in use, you can store Storage Cards in the slots. 2 FAST CHARGING: For X4 battery charging hub input voltage is 5V 3A, output voltage is 4.4V 1.5A (maximum), 4.4V 1.1A (minimum), each charging slot works independently, efficient and fast charging. 3 SMART LED INDICATOR LIGHT: The sport camera battery charging case is designed with smart charging indicator LED that turns yellow when charging and green when fully charged. 4 SAFETY GUARD: Battery charging box has overcharge, overdischarge, short circuit, surge and overvoltage guard to ensure safe use. For X4 battery has built in protective circuit for overcharge, overcurrent and overdischarge guard. 5 LONGER BATTERY LIFE: The sports camera battery has about 27% more capacity and 67% more runtime than the previous version. 2500mAh high capacity allows shooting at 5.7K30fps for 120 minutes to 135 minutes.Item Type: Sports Camera Battery Charger with
Battery Pack
Material: Plastic, Electronics
Charger:
Applicable Model: For X4
Input Voltage: TYPE C 5V3A
Output Voltage: 4.4V 1.5A (Maximum), 4.4V 1.1A (Minimum)
Replacement Battery:
Applicable Model: For X4
Rated Capacity: 2500mAh
Rated Voltage: 3.85V
Charging Voltage: 4.4V
Battery Type: 2500mAh Lithium Battery x 3 (Shipped with Pure Battery)

What's in the box
3x Replacement Batteries
3x Portable Battery Protective Cases
1x 3 Battery Charger
1x Charger Power Cable
1x Charger Instruction Manual