USB Tester Voltage Current Meter with LCD Display, 3V-15V Power Capacity Monitor for Mobile Phone Battery and Charger Detection(White)

Feature*No professional wiring, simple and easy to use, as long as you in the USB port, discharge and charge, you can monitor the working current voltage of the equipment and the statistical battery capacity. A protective film is posted on the of the new machine, so if it does not need to be torn off. Can be used as a daily simple testing tool*You can detect the charging capacity of tablets and mobile ph batteries, judge how much battery performance decreases, and whether it needs to be replaced.*You can detect the discharge capacity of the charging treasure and calculate the conversion rate of the charging treasure.*You can detect the charging current of your digital device.*5V router and other 5V USB port devices (such as USB lights) work current and so on. With the USB input cable, there is also a MicroUSB port, which can be input with other wires. connection of the power/mobile power supply, pay attention to the default using the USB interface, that is, 5V; the other end load can be a mobile ph.SpecificationInput voltage: 3V-15VVoltage resolution: 0.01VTest current: 0.05A-3.50ACurrent resolution: 0.01ACapacity range: 0-19999mAhAccuracy: positive and negative 1%Line loss: about 0.1 EurosTest content: battery voltage, current, discharge capacity (10 sets of data in total)Package included1*USB tester or load

• [USER-FRIENDLY DESIGN] Our USB voltage charging tester features a straightforward design that requires no professional setup. Just connect it to a USB port to start monitoring your devices' performance.
• [DETAILED BATTERY INSIGHTS] Easily assess the charging capabilities of smartphones and tablets, helping you identify when batteries need replacement based on performance drops.
• [POWER BANK PERFORMANCE MONITORING] Measure the discharge capacity of your power banks and calculate their efficiency with ease for optimal power management.
• [ DEVICE SUPPORT] Works flawlessly with various 5V USB devices including routers and LED lights, enhancing your tech experience.
• [SIZING REMINDER] to verify compatibility with your devices prior to usage.