Alkaline button cell. amazon.co.uk. A card marked with the name Hyundai with 30 button cells in 5 sizes made in China, stating that they are alkaline but with pictures of watches, calculators, etc. is sold for prices ranging from about £1 to £4 in the UK
Panasonic CR battery data pageArchived 2013-07-02 at the Wayback Machine, showing many batteries in plug-in and horizontal and vertical solder versions. The same site lists rechargeable cells with various chemistries, in the same sizes and options as disposable batteries of the same size code and hence mechanically interchangeable, though carrying risks of malfunctioning and damage.
Panasonic CR battery data pageArchived 2013-07-02 at the Wayback Machine, showing many batteries in plug-in and horizontal and vertical solder versions. The same site lists rechargeable cells with various chemistries, in the same sizes and options as disposable batteries of the same size code and hence mechanically interchangeable, though carrying risks of malfunctioning and damage.
