Question 1

Does anyone know the maximum and average output of electricity this device puts out while cranking?

Accepted Answer

I just measured it. At a decent cranking rate, with a load of a 5 amp/hour USB battery (intended to charge USB devices), it gives about 0.5 amps (2.5 watts), which is the maximum you get from a normal computer USB 2.0 port. If you crank really fast, it seemed to get up to about 0.6 amps. The voltage seemed to stay around 5 volts, no matter how fast you cranked, so seems to be regulated. This is a lot less than some USB charging bricks, which can deliver as much as 2.1 amps (10 watts). This also may be iffy at charging an iPad, although charging a separate USB battery and using that to charge the high current drain device may work (although my battery says 0.7 amp load maximum). The bottom line is you should expect charging rates similar to plugging your device into a computer USB port. There is crank generator device on Amazon for about $50 that claims to give 10 watts at 120 volts which you plug your AC brick into, although I don't own it so can't measure it's reality. You can instantly feel the resistance turning the crank for 2.5 watts, and turning the crank for 10 watts may take muscle and get tiring fast.

Question 2

Can this be used for an IPhone 4 and the newer versions?

Accepted Answer

On the company website it says:*Please note not compatible to charge iPhone 3GS, 4, 4S, or 5. http://www.etoncorp.com/en/productdisplay/clipray-1

Question 3

can this item be used to charge a hand held GPS device? i like to hunt and camp alot and im allways useing my GPS to find my car.

Accepted Answer

It has a standard UBS receptacle similar to a type 2 on a computer or laptop. I got it for charging a cell phone but I would think it should work for a GPS as well. I have tried it with my iPhone and it takes a lot of cranking to get the battery level to increase even a litttle so be aware of that. It does seem to charge but not as nearly as quick as I would have expected or desired. Hope that helps.

Question 4

Does this have a battery that stores the power?

Accepted Answer

Uh yeah for the flashlight but to charge something via the USB port you need to crank it while you have the device plugged in

ASIN	B003BYROUQ
GTIN (Global Trade Identification Number)	00750254804403
UPC	724137347110 066519357332 750254804403 080137116898 666671449403
light_source_type	LED
おすすめ度	4.3 5つ星のうち4.3 (3,033) var
カラー	レッド
ブランド名	Eton
メーカー名	GDM
メーカー型番	ARCCR100RSNG
付属コンポーネント	充電ケーブル
光源数	1
品目の寸法（D x W x H）	152奥行き x 32幅 x 57高さ mm
商品の重量	4.9 オンス
型番	ARCCR100R_SNG
特殊機能	軽量
白色輝度	100 ルーメン
素材	プラスチック
終了タイプ	Red
電圧	5 ボルト
電池付	いいえ
電源	バッテリー式

ハンドクランクＬＥＤの懐中電燈を持つイートンアメリカ赤十字Ｃｌｉｐｒａｙ　Ａｒｃｃｒ１００ｒ＿ｓｎｇのＵＳＢ携帯電話充電器（赤）

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ハンドクランクＬＥＤの懐中電燈を持つイートンアメリカ赤十字Ｃｌｉｐｒａｙ Ａｒｃｃｒ１００ｒ＿ｓｎｇのＵＳＢ携帯電話充電器（赤）

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ハンドクランクＬＥＤの懐中電燈を持つイートンアメリカ赤十字Ｃｌｉｐｒａｙ　Ａｒｃｃｒ１００ｒ＿ｓｎｇのＵＳＢ携帯電話充電器（赤）