Focus internal vs TEC Pack battery.

Oct 28, 2018
23
3
North Yorkshire
Quick question, on the Focus Jam2 and Sam2 bikes. If the TEC Pack battery is mounted and plugged in does the motor use this battery before the internal battery?
So in theory, on a longer ride I can start on the external battery, stop for pub lunch and top it up in the pub, then set off again with a full internal and topped up external?
Thanks
 

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