Generic charger made in China: Linkey
Name: Lithium battery charger DC5.5mm*2.1mm
Colour: Black
Specifications: US regulations, European regulations
Current: 1A
Input voltage: 100-240V
Output voltage: DC: 21V / 1A
Protection function: Overload protection 105%~150% rated power
Automatic recovery overvoltage protection 115% ~ 135% of the voltage nominal plant
Output DC line: 1 meter
Output DC interface: 5.5*2.1mm
Weight: 100g
List: Lithium Battery Charger DC5.5mm*2.1mm * 1