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Old 10-04-2017, 07:42 PM   #1
DoctorM
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Portable Powerbanks

I've been looking at a Kmashi powerbank for my phone and wondered if it was safe for my PRS-T1 as well.
It claims 3.1A output, and I seem to recall something like .5-1A is recommended for these readers.

Anyone able to provide some advice or insight?

Last edited by DoctorM; 10-04-2017 at 11:50 PM.
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Old 10-04-2017, 09:02 PM   #2
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Yes, it will work.
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Old 10-04-2017, 11:51 PM   #3
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Okay, thanks. I was worried it might do damage with that high an amperage.
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Old 10-05-2017, 08:31 AM   #4
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Amperage cannot harm the eReader, since it's the Sony that charges the battery not the powerbank.
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Old 12-15-2017, 01:48 PM   #5
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Normally any device that is USB rechargeable is going to current limit input power to a safe level. Just like appliances plugged into an AC outlet. Such outlets are typically limited to 15 or 20 amps output but the devices plugged in will limit themselves to a safe input current based on their current or power rating.

Also why high current wall USB chargers are almost universal. I have ones rated up to 3 amps output which work perfectly for charging older Kindles which are limited to 0.5 amps input.

Last edited by Richwood; 12-26-2017 at 09:56 AM.
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