DL24/P Color 2.4" DC USB tester electronic load lithium battery capacity monitor discharge charge power meter supply checker APP

$73.75

Includes all taxes

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Description

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!

When upgrading this product, there may be hardware component changes, but it does not affect the functionality. Please refer to the actual product received. Thank you!

DL24----150W

DL24P----180W

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
If the PC software cannot be used, please download this latest software
http://en.atorch.cn/upload/file/20241217/6387004514765584411262215.zip

--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

Product Size

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 List

1.DL24 150W Color Display Bluetooth Digital Control Curve Version Load Tesr x1
2.DC12V 1A power supply x1
3.2M PC computer online line x1
4.Temperature probe x1
5.Red and black single line crocodile clip line x1
6.US to EU adapter x1

Product List

1.DL24P 180W Color Display Bluetooth Digital Control Curve Version Load Tesr x1
2.DC12V 1A power supply x1
3.2M PC computer online line x1
4.Temperature probe x1
5.Red and black single line crocodile clip line x1
6.US to EU adapter 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!


Payment Policy

Payment Policy – BILLIONS BIRDS

At BILLIONS BIRDS, we are committed to providing a safe, secure, and seamless payment experience for our customers.

1. Accepted Payment Methods

We accept the following payment options:

Major Credit & Debit Cards (Visa, MasterCard, American Express)

Secure Online Payment Gateways (such as PayPal, Stripe, or other providers available at checkout)

Any additional payment methods displayed during checkout

All payments must be completed in full at the time of purchase.

2. Secure Transactions

All transactions are processed through encrypted and secure payment systems to protect your personal and financial information. We do not store your full payment details on our servers.

3. Currency

Prices are displayed in the currency indicated on the website. If you are purchasing from another country, your bank may apply currency conversion fees.

4. Order Confirmation

Once your payment has been successfully processed, you will receive an order confirmation email containing your purchase details.

5. Failed or Declined Payments

If your payment is declined, please verify your billing information or contact your bank. Orders will only be processed after successful payment confirmation.

6. Fraud Prevention

BILLIONS BIRDS reserves the right to cancel or refuse any order if fraud or unauthorised activity is suspected.


Delivery Policy

Delivery Policy – BILLIONS BIRDS

At BILLIONS BIRDS, we are dedicated to delivering your orders safely and efficiently.

1. Order Processing

All orders are processed within 1–3 business days after payment confirmation. Orders are not processed or shipped on weekends or public holidays.

2. Shipping Times

Estimated delivery times vary depending on your location:

Domestic Shipping: 3–7 business days

International Shipping: 7–15 business days

Please note that delivery times are estimates and may vary due to customs procedures, carrier delays, weather conditions, or other unforeseen circumstances.

3. Shipping Costs

Shipping fees are calculated at checkout based on your location and selected shipping method. Any customs duties, taxes, or import fees are the customer's responsibility.

4. Tracking Information

Once your order has been shipped, you will receive a confirmation email with tracking details (if available) so you can monitor your package.

5. Delivery Issues

If your order is delayed, lost, or arrives damaged, please contact us within 7 days of the expected delivery date. We will work with the shipping carrier to resolve the issue as quickly as possible.

6. Incorrect Shipping Information

Customers are responsible for providing accurate shipping details at checkout. BILLIONS BIRDS is not responsible for orders shipped to incorrect addresses provided by the customer.


Refund Policy

Refund Policy – BILLIONS BIRDS

At BILLIONS BIRDS, customer satisfaction is our top priority. If you are not completely satisfied with your purchase, we’re here to help.

1. Return Eligibility

You may request a return within 14 days of receiving your order. To qualify for a return:

The item must be unused, unworn, and in the same condition as received.

The item must be in its original packaging.

Proof of purchase (order confirmation or receipt) is required.

Certain items may not be eligible for return, including clearance items, gift cards, or personalised/custom products.

2. Non-Refundable Items

The following items are non-refundable:

Final sale or discounted items

Gift cards

Items damaged due to misuse, negligence, or improper care

3. Return Process

To initiate a return, please contact our customer support team with your order number and reason for return. If your return is approved, you will receive instructions for returning the item.

Unless the item is defective or incorrect, customers are responsible for return shipping costs.

4. Refund Processing

Once we receive and inspect your returned item:

We will notify you of the approval or rejection of your refund.

If approved, the refund will be issued to your original payment method within 5–10 business days.

Please note that banks or payment providers may require additional time to process refunds.

5. Damaged or Incorrect Items

If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery and provide clear photos of the product and packaging. We will arrange a replacement or full refund at no additional cost.

6. Late or Missing Refunds

If you have not received your refund:

Check your bank account again.

Contact your credit card company or payment provider.

If the issue persists, don't hesitate to contact our support team for assistance.

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