BT-886 Digital Battery Power Tester LCD Universal Battery Checker for AA AAA C D 9V Button Cells Accurate Voltage Capacity Performance

The BT-886 Digital Battery Power Tester provides quick, accurate voltage readings for a wide range of household and specialty batteries. Its clear LCD display shows remaining capacity at a glance, helping you identify good cells and avoid unexpected device failures. Compact and lightweight, it fits easily in a toolbox, drawer, or glove compartment for on-the-go testing. Compatible with AA, AAA, C, D, 9V, and common button-cell sizes, this tester is ideal for home, office, workshop, and automotive use. No batteries required for the tester itself — simply insert the cell under test and read the result instantly.