Specification
Brand: PKCELL
May also be known as: 1620 DL1620 ECR1620 BR1620 280-208 DL1620B BR1620-1W CR1620-1W KCR1620 LM1620 5009LC L08
Model: CR1620 Lithium Battery Button Cell
Volt: 3V
Chemical Composition: Lithium
Shelf Life: 5 years (not printed on battery)
Application:  toys,watches,computers,games,digital cameras,calculators,clocks,laser pointers,camcorders, remote controls,PDAs,electronic instruments,blood pressure monitors, glucose meters, hearing aids,flash,strobe and so on
 
Note: 
A: Some customers are confused about model number. 
Different callings. For example, CR2032 is also called 2032 or ECR2032 or DL2032. Actually they are the same.
B: Sometimes we hear from customers that they bought wrong size for their devices. 
That's very understandable. Because those button cells are very small and look very very similar from pictures.
Voltage are all 3V. Material are all Lithium. The differences are dimensions.
Tip: The battery is named by dimension!  
CR2032   20(D)*3.2(H)mm
CR2025   20
(D)*2.5(H)mm
CR1616   16(D)*1.6(H)MM

DataCaciques