DROK USB Tester, USB-A 2.0 Digital Multimeter Dual USB Output Ports PD QC 3.0 Color LED Display, 7 Modes Capacity Voltage Current Power Voltmeter Ammeter for Laptop Power Bank Solar Panel (Pack of 2)

Is your mobile device not charging properly, and you suspect the new charger that you bought recently? Do you want to check if your solar charger is giving proper current for your mobile device? Specification Input voltage : 3.20 - 15.0V Resolution: 0.01V [10V]; 0.1V [=10V] Measuring current: 0.00 -3.00A [10A Max, but cannot work in 10A for long time] Resolution: 0.01A Capacitance measurement: 0-99999 mA/H Capacitance accumulation: YES Power testing: 0.00-9.99-99.9W Over-voltage alarm: When voltage /=5.6V, voltage digital point will flash quickly Lacking-voltage alarm Over-current alarm : When current /=3A, current digital point will flash quickly Short-circuit alarm: current digital point will flash quickly Dual USB Output OUTPUT I [Dual Function - Device Charging and Data Transfer] The charging current, in this case, is determined by compatibility. You can view the voltage and current values at the same time. OUTPUT II [Device Charging Only] The Built-in intelligent charging control IC matches the most appropriate and safest current for your devices automatically. It is used mainly for Non-original Chargers, but it is suitable for Original Chargers as well. This universal usb gadget is suitable for most of the mobile phones, mobile power, tablet PCs and other USB devices, like BC1.2, YT/D1591-2009 and non-BC1.2. Get yours today by clicking “Add to Cart” above

• The information below is per-pack only
• 【7 Modes Display Monitor】 DROK USB Tester is equipped with digital color LED display screen, which can be switched between 7 display modes. This multimeter can be used to measure voltage, current, power, capacity. Through the 7 modes, you can clearly see the voltage, current, capacity and power during charging. Only 1 button to switch the display mode, simple and handy.
• 【Dual USB Output】 This item is equipped with USB-A input and dual USB 2.0 output. The output ports support PD QC 3.0 fast charge protocol. This meter can auto identify the fast charge protocol, which can charge your device among 3.6V to 12V 3A. Output Ⅰ can be used for device charging and data transfer, and output Ⅱ can only be used for charging.
• 【Multifunction】 DROK USB detector can be used for capacity checking, capacity clear, over voltage, under voltage, over current and short circuit alarm, which is easy to test the power, quality and know the health condition of your device chargers or USB cables.
• 【Easy to Use】 The multimeter only has 1 button. Once you plug in the meter, you can test the parameter you want. The button can switch 7 modes display——VA(Voltage & Current), C(Capacity), P(Power), VA+C, VA+P, C+P, VA+C+P.
• 【Application】 DROK USB Meter can be used for the devices between 3.2-30V and 0-5A. You can use this for 5V 9V 12V 24V 30V solar panel, power bank, battery charger, USB able.