IPVD4 80W TC Mod APV YiHi SX130H Chip features maximum 80W output. Only $39.99 ! Features: Output Power: 7W-80W Output Joule: 10J-80J Standard Resistance:0.15ohm-3.0ohm Joules Mode Resistance:0.05ohm-0.5ohm Output Voltage: 1.0V-7.0V Input Voltage: 3.2V-4.5V Temp. limit Centigrade: 100°C-300°C Temp. limit Fahrenheit: 212°F-572°F Powered by YiHi SX130H Dirctly charging