Whenever it came out. It's probably only had one use a month in the last year though. Aren't they Li-ion?
Right, they are. Not sure what proper storage protocol is in that case. I do know that both my and my father's ForeRunner 610's batteries had gone to shit after a long period of inactivity.
@Tijmen started
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Whenever it came out. It's probably only had one use a month in the last year though. Aren't they Li-ion?