USB Charger Doctor
- Display data: Voltage Current
- Operating Voltage: 3.5 to 7 V
- Maximum Current: 3 A ( accuracy of 0.4% )
- Battery Capacity (0-99999mah)
- Working time (0-99Hour)
- Charger voltage compliance DC 5V
- Resolution : Voltage 10mV current 1mA
- Error : voltage <± 1% current <± 2%
- USB Plug: 13mm / 0.5"
- RTZ, Reset button, press it three seconds will Reset
- The working time and Capacity have a Memory function when power is off.
- Compact and easy to carry, no additional power supply, plug, and play
- Detect any USB charger such as PC USB, home charger, car charger
- Easily measures the output voltage of the USB port and the device operating current or load voltage
- Dimensions: 21mm x 53mm x 15mm
- Weight: 16.2gm
USB for DIY charger 5V Step-Up Power Module Lithium Battery Charging Board
- Input Voltage:3.7V~5.5V
- Charging Current:1A(max)
- Output Current:1A(max)
- Output voltage:5V
- BAT Discharging Stop Voltage: 2.9V.
- Discharging Efficiency:85%(input 3.7V output 5V/1A).
- Charging and discharging indication.
- Internally installed charging and discharging power MOS.
- Preset 4.2V charging voltage, precision ±1%.
- Max 8uA standby current.
- Integration charging management and discharging management.
- Intelligent temperature control and overtemperature protection.
- Integration output overvoltage protection, short circuit protection, overload protection.
- Integration overcharging and over-discharging protection.
- Support trickle mode and zero voltage charging.
- When charging: red light flashing.
- Fully charged: Red light glows for a long time