These charges are the buyers responsibility. The hand crank generator use high-tech magnetic conversion technology and rare earth magnets to deliver high efficiency power. The outer case is made of high-strength.Imparting light-weight, portable carrying capacity. Wide range output voltage:0-28v. Match to different voltage electronic devices. A wide range of output voltage from 0-28v is available for charging various electronic products or batteries. It utilizes the pulse-charge method for efficient charging and activating of the battery to extend battery life.
It has valuable application in a variety of conditions, including earthquake devastation, survival condition, emergency communication, long term power disruption, outdoor activities, geological exploration, marine vessels and fighting forest fires, etc. Adjust hand strap, to suit personal comfort. Pull out the retractable hand crank generator. Connect output cable of hand crank generator with re-chargeable battery, so that the positive&negative poles are correctly connected.DC-DC converter has 12 position(voltage). 1:3v, 2:5v, 3:6v, 4:9v, 5:12v, 6:14v, 7:16v, 8:18v, 9:20v, 10:24v, 11:28v, 12:H. Different voltage is charging for different devices.
Operate the hand ctank speed in normal speed as 80-90RPM. Do not exceed speed of 120RPM. The item "Outdoor Emergency Hand Generator For Laptop Ipad Iphone Charge 30w 0-28v e" is in sale since Friday, August 18, 2017. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical & Lab Equipment, Devices\Lab Mixers, Shakers & Stirrers\Magnetic Stirrers & Hotplate Stirrers".
The seller is "e-lab-4u" and is located in cn,cn. This item can be shipped worldwide.