100% brand new and high quality.
The first time you need to install the 18650 flat head battery,then press the button on the back of the circuit board to activate the use of this product.
Without 18650 battery,You need to prepare 3x 18650 batteries yourself to use.
DC 5.5×2.1mm port output for 12V LED Light WiFi Router smart Speaker Security Camera more devices.
Lithium battery protection circuit, overcharge, low voltage, overload, short circuit protection
When using power bank, you can not charge the power bank.
Input Voltage:DC 12.6V 1A
Output Voltage: DC 12V 5A max,Positive inside, negative outside
18650 Batteries are not Included
Please put in battery in a right way.
1x 18650 12V battery box case(18650 batteries are not included)