General USB charger too slow to charge phone using maps

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General USB charger too slow to charge phone using maps

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Apr 14, 2016
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Hi,
When I'm driving my Fiat 500 to unknown destinations I use my Android phone as satnav. I connect a USB cable to the default port to charge the phone in the process.

However, I noticed that this charger is too slow to charge a phone that is using too much power, i.e. with GPS, data and screen on as required for maps navigation. Apparently it provides only 1A. Consequently, the battery continues to discharge even though it says it's connected and charging. In one occasion the battery went completely flat when I was driving out of Birmingham on the dreaded spaghetti junction, of all places.

Does anyone had similar problem?
Can I circumvent this problem if I use a 2A USB cigarette lighter adaptor instead of the original USB Blue&me port?

Thank you.
 
Hi,
I noticed that this charger is too slow to charge the phone
Can I circumvent this problem if I use a 2A USB cigarette lighter

Thank you.

Yes, I would tend to use a "quality/genuine branded charger" not a cheap Chinese one, the phone requires a lot of power(up to 90% of the battery is used for the display) to keep the display lit.
 
Yes. Most modern phones will require a 2A+ charger, and anything using Sat nav will seriously drain the phone battery.
 
Thanks all, I purchased one adaptor online and now it's working fine, it charges my phone when it's being used as satnat. No dead phone mid journey anymore!
 
Cars usbs are usually have low amper due to purpose of reading usb. Cigarette ligther usb adaptor will solve the problem, even if only 1 amper can charge faster than cars usb
 
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