- Save time and stop wasting money needlessly replacing functional batteries, bulbs & fuses
- Tests common types: AA, AAA, C, D, & button up to 1.5V; 9-Volt; alkaline, HD or rechargeable
- Tests incandescent light bulbs as well - AC & DC - household, appliance, decorative, & automotive
- Tests fuses too: blade-type (both standard & mini sizes); tube-type (both glass & porcelain core)
- All batteries are tested under simulated-load conditions just by placing them on the contacts



















