Battery Tester with LCD for AA AAA C D N 9V Button Cell(Black)

Universal Battery Tester BT173 Quickly and reliably check the remaining charge of common household and rechargeable batteries with this easy-to-use handheld tester. Designed for clear readings and broad compatibility, it helps you avoid replacing usable batteries and prevents unexpected device downtime. Key benefits - Accurate and visible results: Digital LCD displays the battery voltage for quick assessment of remaining capacity. - Wide compatibility: Tests primary and rechargeable battery types so one tool covers most needs. - Simple operation: Place the battery in the correct slot or contact and the tester begins measuring immediately. - Portable and durable: Constructed from robust plastic with stainless steel contacts for reliable everyday use. - No extra power required: The tester is powered by the battery being tested, eliminating the need for a separate power source. What it tests - Standard sizes: D, C, AA, AAA, N, and 9V batteries. - Specialty and small batteries: 12V 23A batteries and 1.55V coin cell batteries. - Rechargeable lithium cells: 18650, 21700, 26650, 14500, 10440, 16340. - Voltage range: Designed to check batteries in the approximate range from 1.5 V up to 4.8 V and 9 V. Features and materials - Durable construction: Body made from robust plastic with stainless steel contact points for consistent readings. - Digital display: LCD shows measured voltage for easy interpretation. - 9V measurement: Two test points for 9V batteries located on the bottom of the device for proper contact. - Powered by the tested battery: Minimizes extra components and keeps the tester simple and compact. How to use - Place the battery so its terminals contact the appropriate tester points for its size. - For 9V batteries, align the battery with the two contacts on the bottom of the tester. - Read the voltage value on the LCD display. - If a battery reads empty, confirm both contacts are touching the battery before discarding it. - Keep test time short to reduce the risk of battery leakage, since the tester uses the battery as its power source. Practical applications - Home: Check AA and AAA batteries used in remote controls, toys, and clocks before replacing them. - Devices and safety equipment: Verify 9V batteries in smoke alarms and carbon monoxide detectors to ensure reliable operation. - Rechargeables and power tools: Test lithium cells such as 18650 or 21700 before inserting them into flashlights, e-bikes, or portable electronics. Package contents - 1 universal battery tester BT173. This tester provides a straightforward method to check a broad range of battery types with a clear digital readout and durable construction.