Replacement battery for Cygolite Milion light?

Question

I have a Cygolite Milion 200 light purchased in 2010. Its battery is taking a long while to charge these days.

I wrote to Cygolite, and they say they don't have a replacement battery for it.

The Expilion battery looks to have the same form factor.

Does anyone know definitively that the Expilion battery fits, or does not fit, the Milion?

Not a dupe, but related info at bicycles.stackexchange.com/questions/25454 — Criggie, Commented Nov 13, 2019 at 8:00
A large portion of the cost of an LED bike light is in the battery. To be honest it's not worth trying to replace the battery in what is by todays standards a very low powered light. You can probably buy something brighter, with a longer run time for the same cost as it would be to repair your current light. — Andy P, Commented Nov 13, 2019 at 16:23
Expilion's are much higher output and should not be used in the older Milion lights, they are not made to push the additional power that would be generated. Cygolites have gone down in cost even for much higher lumen outputs. I would play it safe and purchase a new light as yours has already had a good life of 9 years. — Nate W, Commented Nov 13, 2019 at 23:47
@Nate W higher output wont make a difference, for example a 3w LED will be same power regardless of power, the only factoring difference will be run time. — Dan K, Commented Nov 14, 2019 at 7:27

Paul Steckler · Accepted Answer · 2019-11-13 05:53:19Z

3

I found the model number for the Milion battery via a search on the Wayback Machine. It's 426-44LN, which is different than the Expilion battery.

answered Nov 13, 2019 at 5:53

Paul Steckler

1613 bronze badges

The model number may well be different, but that doesn't rule out the specifications being the same, or so close it can be adapted. If you edit all the details you've got into the original question, perhaps with photos of any labelling on the batteries, it might be possible to work this out.
– Chris H
Commented Nov 13, 2019 at 7:05

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