<p>A must-buy for anyone who uses batteries regularly</p> <p>The battery tester works with standard household and rechargeable batteries. Battery tester for AA, AAA, C, D, 1.5V, type and 9V button</p> <p>Easy-to-read digit indicates power level. No batteries required. It is activated by the battery being tested.</p> <p>Simple but effective small AA AAA battery tester (BT-168D), compact size and lightweight, easy to carry.</p> <p>Great little tool can tell you if your battery is good, weak, or needs to be replaced.</p> <p>Product advantages: no power supply, fast measurement of battery voltage, digital display of test results, small and easy to carry.</p> <p>Product features: suitable for testing all 9V, No. 1, No. 2, No. 5, No. 7, button battery, direct digital display of test voltage,</p> <p>Instructions:</p> <p>1. The 9V battery is directly connected to the two test holes on the side of the tester, pay attention to the positive and negative poles.</p> <p>2. For other batteries, please open the test arm at the top of the tester with your hand and snap the battery in, pay attention to the positive and negative poles.</p> <p>Product size: about 110 x 60 x 25.2 mm.</p> <p>Product weight: about 48g</p> <p>Standard configuration: bare meter (no battery needed)</p> <p>Color: Black</p> <p>Delivery quantity: 1 piece</p><p>becomeveryrich</p>