One charge gets me through my 3-4 midweek rides of up to 1 1/2 hours, then I charge them again for my 3 1/2- 4 1/2 hr Sunday ride. So basically I guess I always charge them before and after my Sunday ride.
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"Don't take life so serious-it ain't nohow permanent."
"Everybody's gotta be somewhere." - Eccles