Mini Digital Battery Tester, ABS Universal Battery Tester with High Definition LCD Display for Types D CAA N LR44 9V 6F22 for Energy Management Use in Electronic Devices

General description Mini Digital Battery Tester is a compact and lightweight device designed for efficient energy management in electronic devices. It features a sturdy ABS construction and operates solely on the battery being tested, eliminating the need for an external power supply. Technical specifications Material: Insulated ABS housing Display: High-definition LCD screen Compatible battery types: D, CAA, AAA, N, LR44, 9V, 6F22 Usage Observe positive and negative polarity when testing. Keep the test duration short to prevent excessive battery consumption.