Exell 412A Alkaline 22.5V Battery (EverReady 412 or BLR122) is an Alkaline replacement for the Carbon Zinc battery that was commonly used in AVO meters and vintage knight transistor testers. The 412A replacement is alkaline and will therefore last longer than the original. It is widely used in vintage collectible transistor radios, such as the Regency TR-1.

Specifications:

• Chemistry: Alkaline
  
• Voltage: 22.5 V
  
• Capacity: 180mAh
  
• Brand: Exell
  
• Dimensions(L x W x H): 1.03"(26.2mm) x 0.63"(15.9mm) x 2" (50.8mm)
  
• Terminals: Socket Contacts
  
• Qty: 1

Features:

• Assembled in USA
  
• Mercury Free
  
• Fresh Batteries with Long Shelf Life

Replaces The following batteries:

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

Good for the Following Applications:

• Simpson 269AF multimeter
  
• Simpson 269
  
• Ray-0-Vac 516
  
• Regency TR-1 Transistor
  
• And other vintage devices