MobileRead Forums - View Single Post - Best practice when charging a Li-Ion battery?

HarryT · 08-04-2012, 06:03 AM

It's the device which "decides" how much current to draw; the amperage rating of the charger merely designates how much current it's capable of supplying. I would imagine that the vast majority of devices would require more than 0.2A; a standard USB port can supply up to 500mA @5V.

08-04-2012, 06:03 AM	#2
HarryT eBook Enthusiast Posts: 85,557 Karma: 93980341 Join Date: Nov 2006 Location: UK Device: Kindle Oasis 2, iPad Pro 10.5", iPhone 6	It's the device which "decides" how much current to draw; the amperage rating of the charger merely designates how much current it's capable of supplying. I would imagine that the vast majority of devices would require more than 0.2A; a standard USB port can supply up to 500mA @5V. Last edited by HarryT; 08-04-2012 at 06:06 AM.