Chinese new year holiday is coming soon , maybe it is the last new products in 2015 of China.
I 'd like to know your idea of this :
Sigelei Spark 90W
Sigelei Spark 90W
Variable Wattage Range: 10.0W - 90.0W
Joule Range: 10.0J-75.0J
Battery : 1*18650 high-drain battery
Temperature...
