Online shopping for Phone Accessories at noahbaba.com

Super hot! Several others have checked this out in the last few hours
Verified by shoppers
Product always receives high satisfaction ratings from our customers

5A Digital Control Power Supply DC-DC Step-Down Charge Module LCD Voltmeter

1.Description:
ZK-J5X is a DC adjustable constant voltage constant current step down power supply module with LCD display.HD display input voltage and output voltage, current, power and display status.Adjustable stable output voltage and current.Set output current to meet the demand.It can be used as ordinary buck power supply module, charger and LED constant current driver.Simple and efficient, practical.
2.Features:
1>.High voltage resistant terminal;
2>.With high quality acrylic shell;
3>.Support complete disability output;
4>.Support anti-reverse protection;
5>.Support short circuit protection;
6>.Support enable output;
7>.LCD screen HD display;
8>.Support charging function;
9>.Support select output;
10>.Support display input voltage;
11>.Support display output voltage, current, power;
12>.Support working status indicator;
13>.Multiple parameters are displayed simultaneous;
14>.High current, low heat;
3.Parameters:
1>.Product Name:ZK-J5X 5A Step Down Power Supply Module
2>.Product Number:ZK-J5X
3>.Working Voltage:DC 6.5V-36V
4>.Output Voltage:DC 1.2V-32V
5>.Output Current:5A(4.5A need heat sink;3.5A is stable for long time)
6>.Output Power:75W(75W need heat sink;50W is for 3.5A)
7>.Voltage Display Range:1.2~32V
8>.Voltage Display Precision:+/-0.1V
9>.Voltage Display Resolution:0.05V
10>.Current Display Range:0~5A
11>.Current Display Precision:+/-0.05A
12>.Voltage Display Resolution:0.005A
13>.Conversion efficiency:About 94%
14>.Working current:30mA
15>.Soft Starter:Yes(Failure at high power load)
16>.Anti-reverse Protection:Yes
17>.Anti-backflow Protection:No(It is recommended to connect a diode in series at the ‘OUT+’)
18>.Working Temperature range:-20℃~85℃
19>.Working Humidity range:0%-95%RH
20>.Size without shell:68*47*26mm
21>.Size with shell:70.5*48.4*30mm
22>.Heat Sink Size:20*14*6mm
4.Button/Potentiometer/LED introduction:
1>.Long press means need keep press for more than 3second.
2>.ON/OFF:Short Press to select whether output voltage.Long press is used to restore default settings for next re-power.
3>.IN/OUT:Short Press to switch display input voltage or output voltage.Long press is used to switch display output current or output power.
4>.’+’ Button:It is used to regulate output voltage.Increase output voltage.Each time the button is pressed for short press,the output voltage is increased by 0.05V.Long press can continuously increase.Increase 0.1V, 1V in continuous if keep long press again.
5>.’ – ’ Button:It is used to regulate output voltage.Decrease output voltage.Each time the button is pressed for short press,the output voltage is decreased by 0.05V.Long press can continuously decrease.Decrease 0.1V, 1V in continuous if keep long press again.
6>.ADJ-I Potentiometer:Adjust output current.Increase the output current when rotating clockwise.Module enters constant current output state if load current reach the Set Current Value.Constant current Red LED indicator CC will turn ON.
7>.ON LED:Green LED.Output indicator.It will turn ON when there is a output at output terminal.Otherwise it is OFF.
8>.CC LED:Red LED.Constant current output indicator.It enters the constant current state when the load current reaches the set current and CC constant current indicator turns ON.
9>.FULL LED:Green LED.Charged fully indicator.When battery is charged fully.It will turn ON.It will turn ON if output current is less than 0.2A when the Set Current is 2A.
10>.CHAR LED:Charging indicator.It will turn ON when charging.
5.Using Steps:
1>.As a ordinary step down power module:
1.1>.Connect right input voltage at input terminal;
1.2>.Adjust ’+’ and ’ – ’ constant voltage buttons to set output voltage according to require.
1.3>.Rotate ADJ-I potentiometer counterclockwise more than 10 turns at first.
1.4>.Test Output short circuit current by multimeter at 10A or 20A(Connect two Test Probes to output terminal on module)
1.5>.Rotate ADJ-I constant current potentiometer clockwise to set output current according to require overcurrent protection value.
1.6>.Test and using(E.g:Module’s maximum output current is 2A if display 2A on multimeter.Then the maximum current can only be 2A when use this module.Red LED indicator will turn on if output reach to 2A.Otherwise LED is OFF.)
1.7>.The output voltage will decrease due to the current sampling resistor at the output. The higher the current, the more the voltage is reduced.
2>.As a charger:
2.1>.Tops:Power module can not be used as charger module if it does not support constant current function.The voltage difference between the battery with insufficient voltage and the charger is very large.That causes excessive charging current even damage the battery.So it needs keep charging in constant current mode to reaching a certain level.Then automatically switch back to constant voltage charging.
2.2>.Make sure floating charge voltage and charge current for battery.If the lithium battery’s parameter is 3.7V/2200mAh, then the float charge voltage is 4.2V, and the maximum charging current is 1C, which is 2200mA.
2.3>.Connect right input voltage at input terminal.(Note:Please don’t connect load during set parameter).
2.4>.Test output voltage by multimeter and adjust ’+’ and ’ – ’ constant voltage buttons to make sure output voltage reach to require floating charge voltage.(If charge a 3.7V lithium battery, adjust the output voltage to 4.2V)
2.5>.Rotate ADJ-I potentiometer counterclockwise more than 10 turns at first.
2.6>.Test Output short circuit current by multimeter at 10A or 20A(Connect two Test Probes to output terminal on module)
2.7>.Rotate ADJ-I constant current potentiometer clockwise to set output current according to require charge current value.
2.8>.Connect battery at output terminal and start to charging.
3>.As a high power LED constant current driver:
3.1>.Make sure LED’s working current and maximum working voltage.
3.2>.Connect right input voltage at input terminal.(Note:Please don’t connect load during set parameter).
3.3>.Test output voltage by multimeter at output terminal and adjust ’+’ and ’ – ’ buttons to set output voltage to LED’s maximum working voltage.
3.4>.Rotate ADJ-I potentiometer counterclockwise more than 10 turns.
3.5>.Test Output short circuit current by multimeter at 10A or 20A(Connect two Test Probes to output terminal on module)
3.6>.Rotate ADJ-I constant current potentiometer clockwise to set output current according to require LED working current.
3.7>.Connect LED and test.
6.Note:
1>.Default output voltage is about 5V.
2>.It is a step down power supply module,So the output voltage must be lower than input voltage.Otherwise it will not working normally.
3>.Please press button ’ – ’ repeatedly if there is no output voltage.
4>.It is a DC power module,So it can not connect to AC power.
5>.Please don’t short output.
6>.Input voltage must be 0.5V higher than output voltage.
7>.Please connect input before connect battery when use as charge and make sure output voltage is higher than battery voltage.It is recommended to serial a anti-backflow diode at input positive terminal.
8>.’IN-’ and ‘OUT-’ can not be connect together,otherwise module can not support constant current output.
9>.Please make sure input power is more than load power.
10>.Please step down output power if module is hot.
11>.The module’s output voltage and current accuracy are 0.1V and 0.05A.
12>.Please read use manual and description before use.
7.Application:
1>.Ordinary power supply;
2>.Battery charger;
3>.LED drive power;
4>.Instrument voltage display;
5>.Test meter;
6>.Circuit test;
7>.Power conversion.
8.Package:
1>.1pcs ZK-J5X 5A Step Down Power Supply Module;
2>.1pcs 20*14*6mm Heat Sink;
3>.2pcs Acrylic shell;
4>.4pcs Blue button cap;
5>.4pcs M3*15mm Copper column;
6>.4pcs M3*8+6mm Copper column;
7>.8pcs M3*5mm Screw.

SHIPPING & DELIVERY

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

REFUNDS & RETURNS POLICY

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Noahbaba (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of https://noahbaba.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

There are no reviews yet

Write a Review
Super hot! Several others have checked this out in the last few hours

Adjustable DC power supply module Step Down Power LCD Buck Adapter Converter | input DC 6.5-36v| Output 1.2V -32V|

US $15.10
US $15.89
Free
Selling fast: get yours before it’s gone!
View Cart
Guaranteed SAFE checkout
Worldwide Shipping

Enjoy flexible international shipping services that currently operate in over 200 countries across the world

Free Returns

Arrange your return for a full refund, we've got you covered with our full Buyer protection

Safe Payment

Buy with confidence using the world’s most popular and secure payment methods

Top

Shopping cart

×