Bosch performance power supply of external devices

Mat.w.

Just Joined
Aug 28, 2016
1
0
74
saltash
Hi
I fail to get a charge from my bike computer. Battery fully charged of computer and motor. Connecting with micro A to micro B on a Garmin sat nav. as per Bosch instruction manual page 19.

Any ideas?

Thanks

Mat.w.
 

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