Wooffy – Acoustic/Tactile Battery Tester

Versatile Acoustic/Tactile Battery Tester: Durable, compact, suitable for all standard 1.5V & 9V batteries. Simple, precise charge status indicators.



The CareTec battery tester is a robust and handy device that reports the charge status of all standard 1.5 V and 9 V block batteries, as well as rechargeable batteries of the same size. It is easy to use and provides accurate readings.

  • 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
  • The device indicates battery readings with up to three vibrations(1) and beeps; rechargeable batteries are indicated by two vibrations(1) and beeps. Polarity (+, -) is not considered.
  • Convenient eyelet for attaching a lanyard

(1) – Available for tactile version only

Technical data

  • measurable types of batteries: zinc-carbon, alkali-manganese, nickel-oxyhydroxide, lithium-iron sulfide, 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)
  • Color: black/red

Scope of delivery

  • Battery tester Wooffy
  • 2 x 1.5V AAA batteries
  • Operating instructions printed

Additional information


Acoustic, Tactile


Pdf Icon User Guide English


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