Duracell CR1616 lithium coin battery, 3 V

The Duracell CR1616 is a 3 V lithium coin cell for small devices that need a thin battery. Duracell lists cycling computers, postal scales, clock radios, electronic organisers, blood glucose meters, heart rate monitors and pedometers.

The maker highlights: Duralock Power Preserve keeps an unused battery charged for up to 10 years, and the packaging is child-resistant.

• Size. CR1616
• Chemistry. lithium
• Voltage. 3 V
• Manufacturer code. CR1616