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Battery formats

Although the IEC standard has become the norm, a number of battery manufacturers' own names remain. 4.5 V , D, C, AA, AAA, AAAA, A23, 9 V , CR2032...

Choosing the right photo paper

Choose a high grammage (250 to 300 g/m²). Check the maximum thickness or grammage recommended by your printer manufacturer and never exceed it, otherwise paper jams may occur.

Button cell batteries

A button cell, or watch cell, is a small electric battery, generally cylindrical in shape and button-like in size.