100% brand new and high quality.
The first use needs to be activated by charging with 12V power supply
Without 18650 battery,You need to prepare 3x 18650 batteries yourself to use.
DC 5.5×2.1mm interface input or output functions,with DC adapter and power switch,weasy to use.
DC 5.5×2.1mm port for 12V LED Light WiFi Router smart Speaker or more devices.
Lithium battery protection circuit, overcharge, low voltage, overload, short circuit protection
Input Voltage:DC 12V
Output Voltage: DC 12V Positive inside, negative outside
18650 Batteries are not Included
Please put in battery in a right way.
1x 18650 battery box case.