This battery reploaces the original Eveready Battery which has been discontinued.

Exell Battery is one of the few product lines Proudly Assembled in the USA.Made with Alkaline cells, Exell Batteries will last longer and offer consumers excellent reliability.

The 412A (Eveready 412 or BLR122) is an Alkaline replacement for the once-popular Carbon Zinc battery that was commonly used in AVO meters and vintage knight transistor testers. Being Alkaline, the 412A replacement will last longer than the original. It is widely used in vintage collectible transistor radios, such as the Regency TR-1. 

• Type: Alkaline
• Voltage: 22.5V
• Amperage: 110mAh
• Length: 26.2 mm
• Width: 15.9 mm
• Height: 50.8 mm
• Terminals: Socket Contacts 

Also Known As: 15F20, 215, 412, 412A, A412, B122, BA 261/U, BLR-122, BLR122, M122, M215, M2152, MN122, PX72, U15, UG015, V72PX, VS084