Battery, Battery Size C, Battery Chemistry Lithium, Voltage - Batteries 3.6V DC, Standard Battery Pack Size 5, Capacity - Batteries 8, 500 mAh, Battery Cross-Reference ER26500H, Application Analog, Digital, LCD Clocks, Terminal Type - Batteries Button, Diameter 1.03 in, Height 1.92 in, Max. Operating Temp. 185 Degrees F, Min. Operating Temp. -67 Degrees F, Standards Listed MH29130, UL 1642, Package Quantity 5. This item has been restricted from sale in the following state (s): []