How long should I turn the iPhone to be able to charge from scratch with a mobile battery that can generate electricity by turning the handle?
The mobile battery ' BoostTurbine2000 ' for smartphones with a capacity of 2000mAh is a product manufactured by
BoostTurbine 2000 | Eton
http://www.etoncorp.com/en/productdisplay/boostturbine-2000
◆ Photo review
BoostTurbine2000 in a transparent package, the body color is black and white in addition to red.
The contents are the main body, micro USB cable, and instruction manual.
On the back side, the hand-cranked handle, which is the biggest feature of Boost Turbine 2000, is stored.
It is pulled out and turned like this when generating electricity.
It takes a little force to start turning the handle, but even women and children can easily turn it. You can see how the power is actually generated by turning the hand-cranked handle in the following movie.
There are three USB ports, a power button, and a micro USB port on the side of the short side. The LED indicator just above the power button tells you how much battery power is left. It is a mechanism that you can charge other terminals from the USB port, and you can charge the Boost Turbine 2000 main unit from the micro USB port.
Compared to the iPhone 5, the vertical and horizontal sizes are almost the same.
◆ I actually tried to generate electricity.
This battery is all you need to charge, so try connecting the battery to your iPhone 5 and charging it by hand. I will also prepare a stopwatch and measure how long this will take.
Check the battery level of Boost Turbine 2000 with the power button. It's empty.
Connect this to start charging.
Turn the handle to charge.
I can't charge my iPhone for 5 minutes, 10 minutes, and 20 minutes. Apparently, it is not practical to turn the handle of BoostTurbine2000 to generate electricity while connected to something.
Even if the BoostTurbine 2000 battery was empty and connected to the iPhone to generate electricity by hand, it could not be charged until the iPhone could be started.
I couldn't charge the iPhone until it could be started with it connected, so next I will try charging the iPhone after generating some power with the battery alone without connecting it to the iPhone.
When I tried charging from zero to the third LED indicator blinking, it took 24 minutes and 20 seconds.
When I tried charging the iPhone with an empty battery, I was able to charge it until it could be started. So, if you want to manually charge a device with an empty battery, you should be patient and charge it until the three LED indicators flash while charging.
I tried to generate electricity by hand several times, but the time required for charging changed greatly depending on the speed of hand turning. The following is a movie of turning the handle about 2 times per second, which was able to be charged relatively quickly when charging.
Power generation by turning BoostTurbine2000 at a speed of about 2 revolutions per second-YouTube
It took about 24 minutes manually, but charging from a power outlet takes only 6 minutes and 30 seconds. It takes about 4 times as long. It took 2 hours and 22 minutes to reach 100% when the battery was charged by plugging it into an outlet, so it would take 9 hours or more to manually charge the battery to 100%. It takes patience and physical strength to keep turning, and it is extremely difficult to keep turning by yourself.
It takes a little time to generate electricity by hand, but even if you cannot use the outlet due to an emergency such as a disaster, this Boost Turbine 2000 is safe, so it is good to have one in your family in case of an emergency. it might be. BoostTurbine2000 in a transparent package, the body color is black and white in addition to red. The price is 59.99 dollars (about 5600 yen), and it can be purchased in Japan.
Amazon.co.jp: Eton BoostTurbine 2000 BLK Mobile battery with hand-cranked generator Black color Japanese authorized distributor BT085 NBOTU2000B Home appliances / cameras
In addition, you can get this real thing used for the review in ' 32 ' of ' GIGAZINE's big gift release project' Please answer the questionnaire and bring everything 'Spring 2013 '.
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