I just had an email exchange with TE about getting a battery replaced in my OP-1.
They sent me the entire repair price list which I have yet to see anywhere online.
Here it is. All seems quite reasonable.
Here’s a price list of repairs:
Keyboard-module (with display-glass): $90 / €90
Connector PCB (for replacing mic / broken jacks): $50 / €50
Speaker: $30 / €30
Display: $45 / €45
UI PCB: $70 / €70
DSP PCB: $120 / €120
Flex Cable: $24 / €24
Encoder Knobs: $19 / €19
Volume Knob: $4 / €4
Spare key: $1 / €1
Rubber feet: $5 / €5
Paper Foam Case: $8 / €8
Additional costs:
30 min repair work: $40 / €40
60 min repair work: $80 / €80
Shipping from Sweden: €19
Shipping US: $15