Source for 22650 3.7v

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dim_1
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Source for 22650 3.7v

I’m attempting to replace the sealed “proprietary” battery in a Serfas true lumen 750w bike light.

Because I’m cheap and stubborn I refused to buy the sealed unit.

I cracked open the case to find a 22650, 3.7v 3000mAh LioN. I can’t seem to source a replacement anywhere.

I’m a stuck using this size, as it fits in a proprietary housing, it also I need something with quite a large capacity.

I’m in Canada, short of ordering from Alibaba I’m not sure what to do.

MRsDNF
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Location: A light beam away from the missus in the land of Aus.

It sounds like an 18650 with a sleeve would fit. Some of these have a capacity around 3500mAh today.

 

djozz quotes, "it came with chinese lettering that is chinese to me".

                      "My man mousehole needs one too"

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

hIKARInoob
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MRsDNF wrote:
It sounds like an 18650 with a sleeve would fit. Some of these have a capacity around 3500mAh today.

+1

As MRsDNF stated above, capacity of 3500 mAh, with 10A capability is the current norm. It’s even better than the 22650 you mentioned…