Buy Attention:

The power supply specification we provide is DC12V US US standard power supply, and we will also be equipped with a US to EU EU adapter. If your country cannot use this power supply, it is recommended not to purchase it to avoid disputes!
At the same time, you can also find a local power supply DC12V 1A
150W 180W DC12V 1A
300W 450W 600W using DC12V 3A
Thank you for your support!

DL24----150W add Battery Box

DL24P----180W add Battery Box

User manual and APP download

1, User manual, PC software installation instruction and PC software and Android APP download link : http://www.mediafire.com/folder/m09i9bjv8703d/DL24-DL24P
2. IOS APP: search E_test on iphone APP store to download
3. Android APP: https://www.mediafire.com/file/0jiio43c0vuu1wx/U_Meter-Phone_mobile.apk/file
4. Android APP: search E-test at Google play to down load

--Product Parameter--

Electrical parameters
Test voltage:2~200V
Working current:0.2~20A
DL24 Discharge power: voltage * current < 150 W
DL24P Discharge power: voltage * current < 180 W
(The actual running current is limited by the maximum power, please adjust the current according to the law of energy conservation)
The built-in over-current, over-temperature, over-power safety protection functions, if the protection interface is popped up, please pay attention to the parameter adjustment, shall adjust to the maximum power, and then discharge, you can first slowly and smoothly adjust the preset value in the start and discharge, in order to adjust up to the maximum power for discharging

Four operating modes of operation

1.Constant current operation(CC)
2.Constant resistance operation(CR)
3. Constant power operation(CP)
4. Constant voltage operation(CV)

Protection settings

1.Overload protection
2.Overcurrent protection
3. High temperature protection

Device background settings (Chinese / English settings)

1.Chinese settings
2.English settings

1) Apple Mobile APP:

Please search for E_test in the application store to download and install, then click the Bluetooth APP icon to open the software, and then click the Bluetooth icon above the software to enter the selection DL24-BLE to connect, you can achieve mobile phone remote wireless remote control settings and Measurement function, the discharge status can be viewed at any time on the mobile phone, various data cleaning is visible, the voltage and current power curve of the discharge, etc.

2) Android phone APP:

Scan the QR code on the back of the host to download the corresponding APP software or Android APP: search E-test at Google play to down load . After the installation is complete, open the software and click the Bluetooth icon to enter the direct selection of DL24-BLE to successfully use it online. (No need for Bluetooth pairing, the software Bluetooth icon directly selects DL24. can)

3) Computer wired online APP:

After the host is powered on, connect the USB port of the computer with the provided data cable, and then install the CH340 serial port driver, then scan the QR code on the back of the host to download the corresponding APP software. After the installation is complete, select the software you just installed and add The serial port model can be successfully used online, of course, this APP style using the installation method is also compatible with the serial port device of the Bluetooth device!

4) Computer Bluetooth wireless online APP:

First add the Bluetooth device to the serial port device of DL24-SPP on the computer, then scan the QR code on the back of the host to download the corresponding APP software and store it. Open the software without installing and select the Bluetooth serial port model just added. You can successfully use online

About SOFTWARE QUESTIONS:

1. The APP crashes on my phone, what is the problem ?
A: For APP and PC software, because there may be incompatibilities problems, please download first before buying , if you can download and install, you can place order, or else do not buying. If you don't test the PC software and APP function before buying and find that the products works fine except the PC software or APP, we refuse to refund.For PC software, it only support win 7 and Win 10 above for now. For APP, it only support android 5.0 and above.

2. Why are there _BLE and _SPP modes and which one to choose?
A:Our APP adopts the latest connection technology, please do not pair in Bluetooth mode, directly click on the E-test (Android APP name) APP provided by us, click the Bluetooth symbol, E_test (Apple APP) select the _BLE Bluetooth name to proceed connect, that's it ok!
_BLE:is connected in mobile mode
_SPP:is connected in PC computer mode

3.What is the computer pairing password?
A:Password is "0000" or "1234"

4.Does it support WIFI mode?
A:No support, connected via wireless bluetooth mode!

5.Why does the mobile phone appear blank when opening your APP, and the signal list of _BLE cannot be displayed?
A:Please turn on the GPS positioning of your mobile phone, or in the mobile phone settings, find our APP, open the location information or storage information permission, again reconnect, that's it ok!

Products Applications

Product Size

Product List

1.DL24 150W Color Display Bluetooth Digital Control Curve Version Load Tesr x12.DC12V 1A power supply x1
3.2M PC computer online line x1
4.Temperature probe x15.Red and black single line crocodile clip line x16.US to EU adapter x1
7.18650 battery test box x1

Product List

1.DL24P 180W Color Display Bluetooth Digital Control Curve Version Load Tesr x12.DC12V 1A power supply x1
3.2M PC computer online line x1
4.Temperature probe x15.Red and black single line crocodile clip line x16.US to EU adapter x1
7.18650 battery test box x1

User manual

The manuals for DL24 / DL24P are the same manual. The pictures on the manual are DL24. It is for reference only. Please receive the actual products. Thank you.
best wishes!