XY-UDP CNC USB Color Screen Power Supply Voltage Step-down Module Constant Voltage Constant Current 5V to 9V 12V 24V USB Voltage Controller USB Tester

$42.39
  Availability: In Stock
  Shipping: Free Airmail 
  Estimated Delivery: 
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  •   Shipping Methods

    Handling Time

    Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

    Shipping Methods

    You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

    1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

    Delivery Time

    Airmail and Airmail Registered Area Estimated Delivery Time
    United States, Canada 7-25 business days
    Australia, New Zealand, Singapore, United Arab Emirates 10-25 business days
    United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
    Italy, Brazil, Russia, South Africa 10-45 business days
    Other countries 10-35 business days
    Expedited Shipping 3-10 business days to Worldwide

    Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

  •  Returns & Refund

    Last updated October 05, 2022

    Returns

    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

    Return Process

    To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

    Alex NLD
    Attn: Returns
    RMA #
    HaGiborim St 8
    Tiberias, 14388
    Israel

    Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

    All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.

    Refunds

    After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

    Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.

    Exceptions

    If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
    2. A photo, video or screenshot of the defective item or the defective part of the parcel.

    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

    If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team  and the problem is acknowledged, you can send the items back to us for a repair.

    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.

    Questions

    If you have any questions concerning our return policy, please contact us at:

    +972 054-536-2888
    sales@alexnld.com

     


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Application:
 
1. As a common boost-and-drop power supply with over-voltage/over-current/over-power/over-temperature/under-voltage protection;
2. The product has constant current function and can charge all kinds of small rechargeable batteries within 0.6V-30V within 15W.
 
Charging step:
(1) Determine the floating charge voltage and current of your rechargeable battery; (If the lithium battery parameter is 3.7V/2200mAh, the floating charge voltage is 4.2V, if it is 12V rechargeable battery, the floating charge voltage is generally set to about 14V)
(2) Under no-load condition, set the output voltage to reach floating charge voltage; (If charging 3.7V lithium battery, adjust the output voltage to 4.2V only)
(3) Set charging current (constant current value) and set current directly. Note: When setting the current, the power should be calculated, charged within the power range, and the product will enter a protective state if it is used with super power.
(4) Connect the battery to charge. 
 
3. This product has constant current function, can directly drive 0.6-30V, 0-15W LED lamp;
 
Step of driving LED lamp:
(1) Determine the working current and maximum operating voltage of the LED you need to drive.
(2) Under no-load condition, set the voltage and current values to make the output voltage reach the maximum working voltage and working current of the LED.
(3) Connect the LED and test it.
This product can adjust the constant current value (between 0 and working current) to achieve LED polar dimming, no stroboscopic!! 
 
Main interface of power supply: 
 
Press the'SET'button to activate the parameters (voltage/current) to be set.
The switch between full selection and bit selection is realized by pressing the'SET'button.
After full selection, all anti-blue display will be displayed, and the setting voltage/setting current will be switched by the'UP/DOWN'button.
After bit selection, the corresponding bit will be displayed in reverse blue. The parameters are set by the'UP/DOWN'button. The'UP/DOWN' button supports long press, and the long press increases/decreases the parameters rapidly.
When the settings are completed, press the'SET'button for 2 seconds or no key operation for more than 6 seconds will automatically exit the settings.
All parameters are saved automatically after exit.
 
Capacity Recording Interface: 
 
Shortly press the'SET'button, select the'capacity/energy/time', the corresponding anti-blue display after the full selection, switch the parameters to be cleared by the'UP/DOWN' button, and then press the'SET'button to clear the corresponding parameters; after the selection, press the'SET' button for 2 seconds or no key operation for more than 6 seconds will automatically exit. 
 
Voltage and Current Curve Interface: 
 
"SET" button has no function
 
Power parameter setting interface: 
 
Press the'SET'button to activate the parameters to be set.
The switch between parameter name and bit selection is realized by pressing the'SET'button.
When the parameter name is selected, the parameter name will be displayed in reverse blue, and the parameters to be set will be switched by the ‘UP/DOWN'button.
After bit selection, the corresponding bit will be displayed in reverse blue. The parameters are set by the'UP/DOWN'button. The'UP/DOWN' button supports long press, and the long press increases/decreases the parameters rapidly.
When the settings are completed, press the'SET'button for 2 seconds or no key operation for more than 6 seconds will automatically exit the settings.
All parameters are saved automatically after exit.
 
Fast Charging Activation Interface: 
 
Shortly press the'SET'button, select the fast charging mode to activate, switch the fast charging mode to activate through the'UP/DOWN' button, the corresponding mode will be anti-blue display after selection; after selection, just press the'SET'button to activate the fast charging protocol; long press the'SET' button for 2 seconds or no button operation for more than 6 seconds will automatically exit the selection mode. After exit, it will save automatically and trigger the currently selected mode again.
AUTO function: Automatically detect the fast charging protocol supported by the current charging head, and the fast charging protocol will be marked with purple background color after detection.
 
System parameter setting interface: 
 
Shortly press the'SET'button and select/switch the parameters to be set. After selection, the parameters will be displayed in reverse green. The parameters will be set by the'UP/DOWN' button.
When the settings are completed, press the'SET'button for 2 seconds or no key operation for more than 6 seconds will automatically exit the settings.
All parameters are saved automatically after exit.
 
Package includes:

1 X USB Color Screen Power Supply Voltage Step-down Module
 
Details pictures: 








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