https://prod.quarq.com/wp-content/uploads/2017/05/GEN.0000000005113-Rev-B-Quarq-Power-Meter-Basic-Troubleshooting.pdf
Looks to me like you can remove the battery casing entirely using a T10, fit the ring and then refit it?
Not sure, when I asked if it was possible i got a no. I have a DZero so i can take a better look once i get home
@Carlooooo started
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https://prod.quarq.com/wp-content/uploads/2017/05/GEN.0000000005113-Rev-B-Quarq-Power-Meter-Basic-Troubleshooting.pdf
Looks to me like you can remove the battery casing entirely using a T10, fit the ring and then refit it?