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Overengineered?
I have a thing that takes a AA battery as my emergency charger. Tiny and was only a couple of quid on fleabay.
I have a thing that takes a AA battery as my emergency charger. Tiny and was only a couple of quid on fleabay.
wasabi
Overengineered?
I have a thing that takes a AA battery as my emergency charger. Tiny and was only a couple of quid on fleabay.
But one AA battery is only capable of 1.5V, how does that adequately substitute a 5V USB port? Must be at least 3 of them in there?!
I'd guess through a circuit like this:
http://www.electroschematics.com/6232/portable-5v-power-box/
The charger itself islike this one:
http://www.ebay.co.uk/itm/Portable-Emergency-Travel-AA-Battery-DC-Charger-Mini-USB-Cable-Blue-Free-shippi-/221164316768?pt=UK_Sound_Vision_Battery_Chargers&hash=item337e6ba860
http://www.electroschematics.com/6232/portable-5v-power-box/
The charger itself islike this one:
http://www.ebay.co.uk/itm/Portable-Emergency-Travel-AA-Battery-DC-Charger-Mini-USB-Cable-Blue-Free-shippi-/221164316768?pt=UK_Sound_Vision_Battery_Chargers&hash=item337e6ba860
I have a pebble - nice 5000m/ah battery, loads of tips etc. £20 on offer, means I'm covered for about 3 days with my SGS3