Conrad energy 18 piece button cell battery multipack conrad energy sz agcr18bt p this collection of 18 button cell batteries includes the most popular sizes for clocks games calculators radios cameras remote controls and more p p these button cell batteries produce reliable steady power output for a long life on many small electronics the six button cell battery sizes in the pack are alkali manganese ag1 ag3 ag4 ag13 and lithium cr2016 cr2025 cr2032 p p they are great bat