Rayovac Hearing Aid Battery Tester Keychain

Rayovac Hearing Aid Battery Tester Keychain tests your hearing aid batteries to ensure they are working efficiently. Never be caught with dead hearing aid batteries again! The compact and convenient Rayovac Hearing Aid Battery Tester Keychain not only checks the efficiency of your batteries but also has room to store two extra batteries.

The Rayovac Hearing Aid Battery Tester Keychain is compact and ideal for carrying in your pocket, purse, or key ring/keychain. The battery tester features a compartment that stores two additional hearing aid batteries. Compatible with all types of hearing aid batteries (Size 10, 13, 312, and 675)

Features

• Tests hearing aid battery health
• Helps prevent throwing away batteries that are still in good use
• Clear status indicators
• Compatible with Size 10, 13, 312 and 675 batteries
• Simple to use
  
• Integrated battery drawer that stores up to two additional hearing aid batteries
• Compact in size
• Can be stored on keyrings and keychains
• Product code: 12550-504

How-To-Use

Place the battery on the metal testing surface, push the battery against the tester and the screen will show the results indicating the battery status as "good" or "bad".