USB output: One USB jack, 5V/1A output power, works while charging.
Battery LCD display: Voltage and current
Discharge LCD indication: Yes
Connect a standard adaptor to the charger input port, plug it to the power source, then ZK2 begins to self-detect.
After the self-detection is completed, push the current switchingbutton to select charging current 0.25A/0.5A/1.0A. It stops when battery is fully charged(4.20V).
ZK2 can charge different types of 3.7V lithium batteries.
①[0.5A] can charge two batteries at a time: 10440/14500/14650/16340/16650/17650/17670/18350/18490/18500/18650/21700/22650/25500/26650 AA AAA C
②[1.0A] can charge two batteries at a time: 16650/17650/17670/18350/18500/18650/21700/22650/25500/26650 AA AAA C
③[2.0A] can charge two batteries at a time: 21700/22650/25500/26650
Product Selling Points
*Over-charging protection & Auto-detect charging function
*Activation function (for low voltage battery which is not able to be charged)