AKIELO + Digital Battery Tester - Universal AA AAA C D 9V

The AKIELO+ Digital Battery Tester is a universal household battery checker that works with AA, AAA, C, D, 9V and 1.5V button cell batteries. This handy tester features an easy-slide arm that adjusts to fit different battery sizes, making one-handed testing quick and effortless. The colour-coded 18-level LCD display provides instant feedback on battery condition, clearly showing whether your battery is full, low, or needs replacing. No batteries are required to operate the tester itself, so you can keep checking your household supplies without any ongoing costs. Simply insert your battery, adjust the arm, and read the result in seconds. This eliminates guesswork when troubleshooting device problems and helps you identify whether a faulty device is caused by a weak battery or a genuine malfunction. Keep the AKIELO+ Battery Tester in your home, office, or drawer for reliable, fast battery diagnostics whenever you need them.