Description:

Features:

The first for time you need to install the 18650 flat for head then press the button on the back of the circuit board to activate the use of this product.
5.5×2.1mm port output is for DC 12V,Suitable for wifi Router LED Strip Security Camera and more.
As USB mobile for cellphone tablet and more devices,with for DC adapter,easy to use.
With overcharge, overdischarge, overload, short circuit and other for protection.

Specifications:

Item Type: 18650 Li-ion Box
Material: Plastic
Color: Back
Size: 9.5×12.5×2.7cm
input: for DC 12V-13V
5.5×2.1mm port output: for DC 12V 3-5A
USB Output: 5V 2A

Package Includes:

1 DIY Power Box(18650 batteries are not included)
1 for DC adapter