• 【Wide Battery Compatibility】Supports testing various batteries, including D, C, AA, AAA, 9V, button batteries, 21700 lithium batteries, 18650 lithium batteries, and 16340 lithium batteries
• 【Accurate Power Measurement】Delivers precise and fast measurement of remaining battery capacity, ensuring reliable results
• 【Digital Display Screen】Equipped with a clear digital display for easy and straightforward reading of battery power levels
• 【User-Friendly Design】Simple and intuitive to use, perfect for quickly checking battery status for a range of devices
• 【ABS Material】Insulation ABS material, anti-drop and durable
• 【Easy to Use】Corresponding to the positive and negative electrodes, put in the battery, display the battery power, operate simply

Specifications:

• Display mode: digital display
• Power supply: no power supply required
• Product size: 3.90*9.45*1.8cm
• Material: ABS plastic
• Testable batteries: D battery, C battery, AA battery, AAA battery, 9V battery, button battery, 21700 lithium battery, 18650 lithium battery, 16340 lithium battery