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• Portable Hand Crank Generator
• Max Power:30W ; Output Voltage:0-28V ; Rated Current:1.5-2A ; Max Current:3A
• Size: 106*64*39mm ; Generator Net Weight: 480g
• Package list : 1 x Generator + 1 x Regulator+ 1 x 12mm Aviation Socket + 1 x Alligator Clip 5.5mm Plug

It can charge consumer electronic appliances.

.DC-DC converter has 12  choices of (voltage)
3V, 5V, 6V, 9V, 12,14V, 16V,18V,20V, 24V, 28V
Different voltage is charging for different devices.

USB output: 5V/2A.

Charging speed: 100 mah after 3-minute hand crank at RPM 2 circles

Please don't use it to fully charge the electronic devices. It will take hours of hand cranking(rotating) at  RPM 2 circles to fully charge the phone. So  It's only for emergency use.

Hand cranking for 3 minutes to charge mobile phone can offer up to 33  minutes phone talk time.