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In the Netherlands many people use these kinds of detachable bike lights. I've never came across soldered batteries in the dozen or so I've replaced batteries for. Not always cheaper, but just tossing the whole thing seems like such a waste.
Well done!
There are also dynamo powered LED lights which only provide light while riding the bike, and about a minute afterwards (I assume from an internal capacitor). They are not detachable but why would that be necessary? From what I can tell they also don't require regular replacement.
These are fine for bike commuters, and I’ve had them before. But they are in general not fine for recreational bicyclists; these people pay a hundred dollars for a new tire to shave off three watts and are not about to add any unnecessary human-powered accessories.
Love this. I have a pile of nice Cygolites (both front and tail) that my whole family uses that are maybe 8 or 9 years old. Their capacities have largely dropped to the point that I need to charge them every ride or two. Maybe get about 90 minutes of use, down from 3-4 hours previously.
They're not user-serviceable by design but I've been pondering cracking them open and having a go at swapping the batteries. This post may inspire me.
I've got a pile of new 18650s lying around and hopefully the front lights use those!
Talk about burying the lead. This was a MEC bike light. It should have a replacable battery!
https://www.mec.ca/en/explore/sustainability-innovation