Thread: Glo Wall charger for the Kobo Glo
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Old 05-06-2013, 10:29 PM   #19
davidfor
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Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
Quote:
Originally Posted by Thalinor View Post
5v 500 mAh is what Kobo says to use, and I would not go too much higher mAh's or you risk messing up the charging circuit.

Computer USB ports output at 5v 500 mAh, but most USB chargers sold with electronics today output higher volts and amps. I know people say other chargers work, and some have even said as long as the plug fits it will work, but while other chargers may work, you should use the correct voltage and amps for the unit. The statement "if the plug fits it will work" is not only ignorant, its dangerous.
I'm sorry, but the device will draw the current it needs. If the adapter is capable of supplying a higher current, and the device can use is, then it will be OK. But if the device doesn't draw the higher current, it won't be used. About the only thing you will notice is that the 2Ah charger will be cooler when charging the ereader than when charging the iPad.

And if you have a USB charger that supplies more than 5V, then it is NOT a USB charger. It is something else. I don't suppose I have looked at that many, but I have never seen a charger that had a USB socket that was not 5V output.
Quote:
Lithium ion batteries incorrectly charged EXPLODE. I saw the end results of a someone who put LI batteries in backwards to a high end flashlight that did not have a reverse circuit protection and the batteries exploded. Not a huge explosion, but enough to vent a corrosive gas out of the split battery which ended in a broken expensive flashlight.
Yes, Li-Ion batteries can explode if treated badly. But the charging of the battery in these devices are controlled by the device. Unless that charging circuit is damaged, or you open the case and damage the battery, it is very safe.

Hmm, "high end flashlight that did not have a reverse circuit protection" sounds like a contradiction. I would expect a high end device to include an important capability like that.
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