Charging the FR in the car

Joachim Ott jo.omsl at
Fri Feb 13 19:04:59 CET 2009

2009/2/13 Cédric Berger <cedric.berger74 at>:
> On Fri, Feb 13, 2009 at 16:41, Joachim Ott <jo.omsl at> wrote:
>> I bought an adapter 12V => USB for the cigarette lighter in the car so
>> I can charge the FR while driving. The standard charging at 100 mA is
>> too slow. Are there any objections that I charge at 500 or even 1000
>> mA?
> Just depends how much your adapter can deliver.
> Probably 500mA is ok (even though not all adapters are made for 500mA,
> I have some chargers rated for 350mA).
> 1A is quite a lot. Might be ok, but first make sure that the
> specifications of your charger are ok for 1A output.
> (note that none of the few car chargers I have are rated for as much
> as 1A output, but most of them are old phones chargers...)

There's only the input voltage specified, 10-30V (it's a Hama 89487, 2
USB type A jacks).

> I do force 500mA with an adapter I got from an older phone. I don't
> have the exact specs of the charger, but it works ok.
> to do that (with latest kernels) :
> echo 500 > /sys/class/i2c-adapter/i2c-0/0-0073/pcf50633-mbc/usb_curlim

I use the battery package, I'll try it later with 1 A, waiting till
the led turns blue.

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