The batteries in the InfoCrank cycling power meters are very common SR44 silver oxide cells. You should be able to find them at your local hardware store. Ensure you buy the best quality batteries to get the longest use out of them.
In development, we tested a large number of batteries and while most stated a huge lifetime (around 1000 hours according to our power drawing), even the best struggled to perform as specified (some lasted less than 500). Whatever you do, please buy the best quality batteries available for your InfoCrank.
SR44 may also be labelled as 357 in the USA.
Please make sure you purchase Silver Oxide batteries, not LR44 which are alkaline. Alkaline batteries will be drained in your InfoCrank within 2 - 5 days. If you have had short battery life, please check with your battery provider that you have purchased Silver Oxide SR44 or 357s.
It is also now possible to buy good quality batteries online at very good prices. Once again, check for quality and only deal with someone who does a lot of business - i.e. moves their batteries quickly and does not carry old stock. Every country or continent has their best online shops, such as this on in the EU;
Varta is a good EU brand and when I last looked each battery was only €2.45.
Verve also carries supplies of Renata OEM batteries. However, because we ship batteries with our product, we have very stringent and expensive rules for packaging. We can supply batteries to you generally, but they will cost much more than some of the online dealers.
Modified on: Tue, Jun 19, 2018 at 9:48 AM
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