This USB tester can be used as a simple routine testing tools. 1. It can test plates, cell phone battery charge capacity determines how much battery performance drops, wether if needs to be replaced. 2. It can detect the discharge capacity of mobile power bank, calculate the conversion rate of the mobile power bank. 3. It can detect the charging current of the electronic device, suitable for mobile phones, Raspberry Pi, Arduino, other USB electronic products, can not store electricity. Features: Input voltage: 3V-7V Voltage Resolution: 0.01V Test Current: 0.05A-3.50A Current Resolution: 0.01A Capacity range: 0-19999mAH Accuracy: ¡À 1% Circuit consumption: 0.1 ohms Test content: Power supply voltage, current, discharge capacity Package Including: 1pcs USB 2.0 Monitor Multifunction Panel Meter Ampere Voltage Power Meter Tester
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