Features:
1.1 Battery Capacity Test
This tester is designed for discharging of a wide range of batteries and series-connected batteries, including NiMH, NiCd, LiPo, LiFe and Pb, as well as the capacity test.
1.2 Power Current Test
This tester also supports tests of output current of DC powers, testing functions such as output capacity and overload protections.
1.3 Portable Power Bank Test
This tester supports discharging, output current and overload protection performance of various kinds of portable power bank Test.

Specifications:
1)Power Supply: DC 5V/0.3A (power supply connected by Mini USB)
2)Voltage Range: 0.1-20.0V (cut-off voltage can be set according to specific needs)
3)Current Range: 0.05-3.0A (maximum power is 20W, current will be restricted when the power reach over 20W), discharging current can be set according to specific needs
4)Test Modes: Constant Current Discharging (CC), testing will automatically stop when voltage reaches the set cut-off value.
5)Data Display: Four digital tube which can show testing data such as voltage, current and capacity. You can switch to different data by pressing on buttons.
6)PC Connection Extend the functionality: USB to TTL cable (contain it)
Extend the functionality:Computer control, curve plotting, calibration measurement datum，power supply current test

For more detail , please you see my english instruction: http://pan.baidu.com/s/1hqHCwgG

Package include:
1x Mini Electronic Load
1x USB to TTL Data Cable

• This is a portable electronic load, applicable to all types of battery capacity test, and test mobile power supply testing, support connected to the computer via the online software with more extensions
• Power Supply: DC 5V/0.3A (power supply connected by Mini USB)
• Voltage Range: 0.1-20.0V (cut-off voltage can be set according to specific needs)
• Current Range: 0.05-3.0A (maximum power is 20W, current will be restricted when the power reach over 20W), discharging current can be set according to specific needs
• Test Modes: Constant Current Discharging (CC), testing will automatically stop when voltage reaches the set cut-off value

This is a portable electronic load, applicable to all types of battery capacity test, and test mobile power supply testing, support connected to the computer via the online software with more extensionsQianson-ZKE