Specification：
1) Input voltage：AC100-240V 50-60Hz.
2) USB Output parameter：Charger：DC5.0V or 5.5V 500-1000mA，
3) LED display:：
a) 1 LED 1 color indicates power on ;
b) 1 LED dual color, red LED will light up to signal that charging
is in processing,
green LED will light up to signal that charging is completion.
4) Limited charging current：500mA or 1000mA
5) Steady precision：5%.
6) Load effect：3%.
7) Efficiency：≥85%.
8) Dimensions：63 x 32 x 40mm
9) Weight：38g
10) Carton size: 43 x 32 x 28.3cm
Packing: White box
Gross weight: 9.8kg
11) Constant charging current and charging voltage，short-circuit protection.
12) 10℃-＋40℃，relative humidity：≤85%，
atmosphere pressure：86-106Kpa
13) Storage and conveyance temperature :-40℃-＋60℃，
relative humidity：≤90%
14) Insulation resistor：under the normal atmosphere condition，insulation
resistor of product no less than 10Mohm，the loop of product can stand
50Hz 2500V，1min dielectric strength and no rupture.