18650 Rechargeable Lithium Battery Charger Dc 5-5Mm * 2-1Mm Portable Charger For 1 2 3 4 String Lithium 4-2V 8-4V 12-6V 16-8V 1A

4.2V 8.4V 12.6V 16.8V 1A 18650 Rechargeable Lithium Battery Charger DC 5.5mm * 2.1mm Portable Charger for 1 2 3 4 String Lithium

Input: AC100-240V 50/60 Hz 0.8A
Voltage when charging: 4.2V 8.4V 12.6V 16.8V
Charging Current: 1A
Charging mode: CC-CV
Charging indicator: Red light = charging, green light = fully charged
Charging port: DC5.5 x 2.1
Dimensions: 94x47x33 mm
Protection: overvoltage protection / overcurrent protection / overload protection / short circuit protection
Application: Lithium batteries (lithium-ion batteries, lithium-polymer batteries), the nominal voltage of the battery is +-5%

Note: Our products have EU / US / plugs. If there are other specifications for plugs, please inform us.

Protective functions:
1. Overcurrent protection at the input
If the input current exceeds 2A, the charger will turn off the fuse to avoid internal circuit breakdowns leading to fires and other risks.
2. Overcurrent protection at the output
A charger with a lithium-ion battery for charging current is limited to a certain range to maintain safety and battery life.
3. Short circuit protection
If the charger is used improperly, the output current of the charger will be 200 or