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Features:

1. The inverters are manufactured by imported components with an advanced circuit design and 98% conversion efficiency. The strict management system of production and quality with modern assembly lines ensures the product quality. 
2. The products (USB Power Adapter) have complete specifications, which are aimed at different international standards, there are a total number of models available for selecting. 
3. The internal protective circuits prevent electrical pulses or voltage fluctuations effectively, which can withstand the large impact power of the electrical appliances, such as compressors, televisions, monitors etc. with a safe start. The power switch can cut off the internal power supply completely, which protects the storage battery from damages. 
4. The self-protection design makes it possible that it will stop working automatically when the voltage is lower than 10V, which guarantees that the storage batteries have enough power to start the automobile. 
5. The USB Power Adapter will stop working automatically when overheating or overloading, and start again automatically when the condition returns to normal. 
6. It works without noise, which can be used without maintenance for years by normal operation. 
7. It has a diversity of input and output ways: 12V input, 24V input, cigar lighter input; 220V AC output, 110V AC output etc., which can meet the demand of both domestic and international users for mobile alternating current.
8.The USB Power Adapter WS-IC500 500W adopts an aluminum alloy casing with a beautiful shape and the technique of a high pressure plasma oxidation surface with high hardness and oxidation resistance.
9. Output waveform: modified sine wave (distortion rate <1.5%) 

Characteristics of safety:
1. Overload protection, the power will be automatically cut off.
2. The integral fuse provides the safety guarantee.
3. Low voltage warning, the power will be automatically cut off
4. Overvoltage protection, the power will be automatically cut off.
5. Overhumidity protection, the power will be automatically cut off.
6. Short circuit protection, the power will be automatically cut off.
7. Modified sine wave output, distortion rate, 1.5%
8. 98% conversion efficiency

Technical Index:

Max continuous power：500W

Max Efficiency：>98%

Input Voltage：DC11V-15V

Output Voltage：AC198V-242V

Current while no load：0.25A

Ambient temperature ：0℃—40℃

Output Wave shape:：modified sine wave （THD＜1.5%）

Warning while low voltage：10.4V—11V

High voltage to cut off ：DC15V-16V
Low voltage to cut off：DC1V-11V