Spec:
Features:
Waterproof and , ensure a long time use.
Can be packed into 4x18650 batteries and combined them to lights powered.
Can put 4x18650 batteries in to power lights.
Easy to use, you can use two or four lithium battery.
With the phone charging function. With a power display function.

Specifications:
Condition: % Brand New
Material: Plastic
Weight: Approx. 140g / 4.9oz
Can be packed into 4x18650 batteries and combined them to lights powered
Output voltage: 8.4V, Input voltage: 8.4V
Standard 5.5DC Interface (Case diameter 0.95cm, 0.5cm diameter within the interface)
Can put 4x18650 batteries in to power lights
Application Load 4x batteries (Batteries do not include)
Easy to use, you can use two or four lithium battery
With DC connector input, the output voltage of 8.4V. USB connector output voltage 5V, current 2A, with the phone charging function.
With a power display function

Package list:
1 * Battery Pack Cover
Battery and charger are not included.