Quickly indicates if batteries are "good, "low or "replace"
Test standard and rechargeable batteries: 9V, AA, AAA, C, D, 1.5V button type
Ergonomic design is easy to hold
Side cradle holds batteries in place during testing
No batteries required to operate
Large, upright display is easier to read
V-shaped cradle holds batteries securely in place during testing for consistently accurate results
High-quality 9V Contacts
Slider is shaped for easier operation and one-handed testing
Case shape contours to your hand for easy operation