Lithium-Knopfzelle CR1025 3 V 1-Blister,

Lithium-Knopfzelle CR1025 3 V 1-Blister, "Energizer has been a worldwide leader in small electronics batteries for decades. So you can rely on the precision engineering of the batteries to power all your small electronic devices, from glucose monitors to the latest games and toys.
Energizer Electronics Batteries are perfect for:
books
games
personal organisers
electronic games and toys
computers
personal care
calculators
keyless entry
garage openers
digital thermometers
blood pressure monitors
home health"