12v Power adapter capabilities?
I just bought a pair of SMH-10 and I'm relatively happy with them (since I've done the software update). But I took a trip with them and since I had two 12v cigarette lighter to USB power cords with me, I decided to leave my normal Samsung Galaxy S3 charger (actually a generic) at home, thinking I could just use the charger from the SMH10s. WRONG!!!
For some reason, the phone is not able to charge from either of the Sena power adapters so my trip was without phone use. The Sena units can charge ok from my Samsung adapter but not the reverse. Is there a specification in the design of power adapters that could make a difference? If so, it'd be great if Sena could see fit to providing an adapter that could be used for the devices common to a motorcycle rider - like a phone! What are the specs for these adapters?
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It could be the phone needs the charger made for it or the sena chargers can't supply enough power for the phone. Will your phone charge from a usb port on a computer.
Or can you use the phone charger to charge the SMH-10s ?
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The phone is able to charge on ANY charger I've given it so far: usb/computer, Garmin chargers, and a slew of other 12v car adapters. The only problem is the Sena 12v car adapters. They only work on the SMH10s and NONE of my other devices. I agree with your conclusion that they're putting out a very low amperage - just enough for the SMH10 and my other usb devices need more. Too bad they can't be used globally, like all the other adapters I've tried.
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I would like to be able to power the SM10 from the 12V wiring on my BMW bike.
I was able to do this by mutilating the cigarette lighter adapter but I would like a clean solution from Sena. Any plans to offer a direct wire cable?
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