Thread: USB Wall Charger
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Old 12-29-2013, 11:43 AM   #52
2bits
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Join Date: Sep 2011
Device: Kobo Touch N905, Mini
Thumbs up Use tv usb port to charge kobo
A television USB socket provides a low current (while tv is ON), usually 500mA or (rarely) up to 1000mA, at 5 volts. This is provided from the television's internal power supply unit.

all you need is the cable

and

for example ...

Kyocera Travel Charger at 5v 350ma at $1 - $2.50 with cable works perfectly fine.

In addition:

Speed of charging vs total number of recharge cycles ...
is -roughly- a constant.

so compared to charging at nominal 500 ma
- charging at 1,000 ma (while 2x as fast) will reduce number of recharge cycles by < 2x
and charging at 350 ma will take longer but give more cycles = longer life of battery



2bits
Last edited by 2bits; 12-29-2013 at 12:02 PM. Reason: added info & correct spelling
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