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Wooffy - Acoustic Battery Tester

This robust and handy battery tester reports the state of charge of all standard 1.5 V and 9 V block batteries as well as rechargeable batteries of the same size.


  • Measurement of all standard battery types with 1.5 V or 9 V and battery sizes (AAA, AA, C, D, E-Block, 1.5 V button cell)
  • Measurement of all common battery types with 1.2 V or 8.4 V
  • Output of the measurement result for batteries with three pitches, for batteries with two pitches Polarity (+, -)
  • Output of the measurement result with beeps
  • Practical eyelet for fastening a carrying loop

Technical data

  • measurable types of batteries: zinc-carbon, alkali-manganese, nickel-oxyhydroxide, lithium-iron sulphide and all batteries with 1.5 V or 9 V
  • measurable battery types: Nickel-cadmium, nickel-metal hydride and all batteries with 1.2 V or 8.4 V
  • measurable quantities: AAA, AA, C, D, E block
  • Power supply: 2 x 1.5V AAA batteries
  • Operating temperature: 0 - 40° Celsius
  • Dimensions (l/w/h): 117 x 34 x 18 (20) mm
  • Weight: 74 g (including batteries)
  • Colour: black/red

Scope of delivery

  • Battery tester Wooffy
  • 2 x 1.5V AAA batteries
  • Operating instructions in black letters and on CD

Operating instructions for for Wooffy in German
User manual for Wooffy in English