Core Function: USB multimeter for real-time monitoring of voltage, current, power, and capacity in charging systems.
Measurement: Voltage 3-9V DC (±1%); Current 0-3A (±1%); Capacity 0-99999mAh; Time 0-99hrs.
Features: Auto retention of metrics during power interruptions; One-touch reset (3-sec hold); Plug-and-play operation.
Hardware: USB 2.0 ports; Simultaneous LCD display; Dimensions 73×23×13.5mm; Weight 25g; Transparent blue casing.
Compatibility: Works with PC USB ports, chargers, car/solar systems; Supports power banks, phones, tablets, laptops.
Notes: Accuracy requires 3-9V range; Full 3-sec press needed for reset; Capacity calculated via continuous current over time.
Package: Includes 1× USB Current/Voltage Tester.
Real-Time Dual Display monitors current (Amp) and voltage (Volt) on LCD during use. Precision measurements: 3-9V (±1% accuracy), 0-3A (±1% accuracy), 0-99999mAh. Persistent Memory retains working time (0-99 hrs) and data during power loss. Reset all data via 3-second press on RESET button. Compatible with power banks, solar chargers, car USB ports, phones, tablets, and computers.
Power converter
Single-board computer
3D printer
Relay
3D printer
Power converter
Power converter
Power converter
Power converter
Single-board computer
Single-board computer
Single-board computer
3D printer
3D printer
Electronic transformer
Indoor thermometer
Electrical testing equipment
Electronic switch
audio amplifiers
Core Function: USB multimeter for real-time monitoring of voltage, current, power, and capacity in charging systems.
Measurement: Voltage 3-9V DC (±1%); Current 0-3A (±1%); Capacity 0-99999mAh; Time 0-99hrs.
Features: Auto retention of metrics during power interruptions; One-touch reset (3-sec hold); Plug-and-play operation.
Hardware: USB 2.0 ports; Simultaneous LCD display; Dimensions 73×23×13.5mm; Weight 25g; Transparent blue casing.
Compatibility: Works with PC USB ports, chargers, car/solar systems; Supports power banks, phones, tablets, laptops.
Notes: Accuracy requires 3-9V range; Full 3-sec press needed for reset; Capacity calculated via continuous current over time.
Package: Includes 1× USB Current/Voltage Tester.
Real-Time Dual Display monitors current (Amp) and voltage (Volt) on LCD during use. Precision measurements: 3-9V (±1% accuracy), 0-3A (±1% accuracy), 0-99999mAh. Persistent Memory retains working time (0-99 hrs) and data during power loss. Reset all data via 3-second press on RESET button. Compatible with power banks, solar chargers, car USB ports, phones, tablets, and computers.
Power converter
Single-board computer
3D printer
Relay
3D printer
Power converter
Power converter
Power converter
Power converter
Single-board computer
Single-board computer
Single-board computer
3D printer
3D printer
Electronic transformer
Indoor thermometer
Electrical testing equipment
Electronic switch
audio amplifiers
