MTYTOT 16.8V 1500mA Power Adapter Supply AC to DC 16.8 Volt 1A 1.5A Power Supply Transformer 5.5mmx2.5mm DC Plug - ALT-168015

• Input: 100-240 V AC 50/60 Hz. Cord Length: about 92cm(3FT). Output:  DC 16.8V ± 0.2V 1.5A max. less than 1500mA. such as 450mA, 500mA, 750mA, 1.0A, 1.5A . DC plug size: The DC output port specification of this adapter is 5.5x2.5mm compatible with 5.5x2.1mm (Inside diameter is positive” +”,outer diameter is negative” - “), which is not suitable for other specifications of the interface. .Please confirm whether the DC interface of this adapter matches the interface of your device before purchasing.If the two do not match, it will not work!!! This product has many kinds of protection functions, With over-current protection, over-voltage protection, overcharge protection, short circuit protection.enter the protection mode, LED lights will flashing red light. When this happens, unplug the adapter immediately and check if the circuit is short-circuited, if the electrical power exceeds the rated power of the adapter, etc. No-load status LED is green.Charging, the first phase of constant current charging, LED indicator is red. Charge to the rated voltage into the second phase of constant voltage charging, the current slowly decreases. When the battery power reaches 90-95%, LED lights turn green. At this point the charger will continue to charge with a small current until it is full.