Shenzhen Feichao Technology Co., Ltd.
Main products:Toy Helicopter,Wi-Fi Repeater,Digital Scale,Signal Finder
Products
Contact Us
  • Contact Person : Ms. chen cynthia
  • Company Name : Shenzhen Feichao Technology Co., Ltd.
  • Tel : 81-0755-13580446431
  • Address : Guangdong,shenzhen,Room 305, 305 of SuFa Building, ZhenHua Road, HuaQiang Bei, FuTian Area, Shenzhen City, Guangdong,China
  • Country/Region : China

F04423 DC Boost Converter Step Up Voltage LM2587 Power Supply Module 3.5-30V to 4.0-30V + Free shipping

F04423 DC Boost Converter Step Up Voltage LM2587 Power Supply Module 3.5-30V to 4.0-30V + Free shipping
Product Detailed
DC Boost Converter Step Up Voltage LM2587 Power Supply Module 3.5-30V to 4.0-30V 100% brand new,tested

 

After-sales service commitmentThe following commitment is superior to Aliexpress
We have dozens of multiple online shops and entity companies, Always, we are devoting ourselves to provide the lowest price to our customers, meanwhile, we lay more emphasis on offering the best products and service. Hope our professional team can give you a pleasant and satisfying shopping experience.
Quality problems within 7 days after arriving(incorrect use excluded)

1.Upon items being returned

seller's commitments

Buyer choose to send the condemned items, after seller receive the items returned and make sure that it is the quality problem, the defective item will be refunded or exchanged as buyer requested.Seller will pay the postage as well, Return shipping fee reimbursement is 1- 35% of the defective item's price up to a maximum of $40.

Buyer should offer :

(1) return for exchange

.photos of the shipping receipt (the return shipping fee reimbursement will be processed according to the receipt).products that need return for exchange

(2) return for refund

.photos of the shipping receipt(the return shipping fee reimbursement will be processed according to the receipt).original package.all the products in the package

2.Buyer unwill to return items

seller's commitments

seller can afford 1- 35% of the defective part's price up to a maximum of $20 as compensation (depend on the extent of damage)

buyer should offer

certificate to prove the problem,such as :.photos or video of our original package.photos or video of the defective products.The photos, video or screenshot showing the mal-function of the defective item(s)

About RC helicopter RTF

seller's commitments

these products are special and vulnerable on the fly,If only it is not badly damaged (Not be crashed or worn down) , seller can accept return for exchange or refund within 7 daysSeller will afford the postage for resending

buyer should offer

.buyer should cover the return shipping cost.provide photos or video as evidence.send the original package and all the parts in the parcel to seller

Problems caused by buyer's incorrect usage

seller's commitments

seller can offer maintainance for free

buyer should offer

.buyer can just cover the cost for the replaced parts.buyer cover the shipping cost both ways.buyer cover the customs duties and other fees (if necessary)

Return For Unsatisfied Products

seller's commitments

If buyer is unsatisfied with the product,seller can accept return within 7 days of receipt for a full refund or an exchange

buyer should offer

.buyer cover shipping cost both ways.buyer cover customs duties and other fees (if necessary).buyer should make sure that the items sent back is in the original package, and the merchandise is in the same condition as it was on arrival.

customs duties

seller's commitments

Paying tax is every good citizen's obligation, as the customs duty policies are different in different countries, seller can not guarantee for 100% free tax,some of the parcels might be held by customs for casual inspection and the customs may ask for tax.Taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Seller does not take responsibility for the tax and cannot accept negative/neutral feedback or dispute for this reason,

buyer should offer

Please check with your country's customs office to determine what these additional costs will be before bidding or buying.

buyer should offer

buyer can leave a message to tell seller something about the description of the content and product value seller can declare to the customs, so buyer can have the parcels pass the customs quickly and pay proper tax if necessary.If there is any problem with customs clearance,pleace contact the seller for help as soon as possible.

Shipping method

seller's commitments

Normally,parcels will be shipped by registered post.

if Gross weight >2kg, size > 90CM, send with 2 parcels/ parcels will be shipped by EMS or others express delivery without special notice.

buyer should offer

Buyer should contact seller before shipping if there is any special requests

combine shipping

seller's commitments

If several orders are for the same buyer and to the same shipping address,seller will ship them together

buyer should offer

Buyer should contact seller before shipping if there is any special requests

shipping time

seller's commitments

1.The shipping time is 20-40 days by registered post.2.If shipped by EMS or other express delivery,the shipping time is 5-15days.3.During the rush season (such as Christmas,Chinese Spring Festival and other important Festivals) and holidays (including unforeseen delays) the warranty period will be extended, we need your understanding, thank you.

buyer should offer

If buyer still cannot receive parcel after 40 days, please feel free to contact the seller to find a solution together, please believe that communication is always the best way to solve problems,you won't be disappointed, thank you.

 

 

 

Dear buyer, Thank you for your support and cooperate all the time. We are devoting ourselves to offer the best products and service,if you are satisfied with our products or service,please leave us a positive feedback.Your support and trust is extremely important to us,thank you!Notice:The commitment above is just for situation that buyer does not report problem to alibaba/aliexpress ( does not open dispute or leave negative or netural feedback ). if buyer escalate the dispute,we will have to solve it according to the rules of alibaba/aliexpress.Thanks for your understanding!

Purchase with Communication

Cost price:

$ 3.91/ unit

This price is without shipping fees, if you want. please contact me ,and tell me your quantity & expecting shipping method(such as Registered mail/EMS/DHL/UPS etc) &Payment method (such as Paypal/ Western Union/ T/T /Money Gram etc.),I will give you our lowest quotation.

Purchase directly

(Please press “place order via escrow”)

Included shipping price(Normal shipping)

$ 5.55/unit

This price is included Normal mail shipping fees, you can make order and revise to this price directly on Alibaba, we will ship to you at once

The shipping period is normally within 20 days delivery, if in Busy Season, it will be delayed and within about 30 days delivery. If buyer do not receive the goods over 40 days, please contact me without hesitate, we will give you solutions at once, we will not make loss to you

DC Boost Converter Step Up Voltage LM2587 Power Supply Module 3.5-30V to 4.0-30V

Features:- Input voltage range: 3.5V-30V - (must ensure that the output setting voltage is higher than the input voltage) - Output voltage range: 4.0V-30V - Input maximum current: 5A- (According to Power conservation Calculate the nominal conditions Output Current:- Uin * Iin * efficiency = Uout * Iout) - Continuous Current: 3A- (ventilation and heat dissipation in good condition:- Output voltage and input voltage ratio is not greater than 3) - Board Color: Green or Black, will be sent randomly  Package includes:- 1x DC-DC Converter Module

Note:- When you test if the output voltage is not higher than the input voltage,- Please adjust potentiometer clockwise, the output voltage will rise, please do not adjust the counter-clockwise. in the case of high input voltage module would be damaged.

 

Country

Delivery Time

Working days (not including holidays)

6-10

11-15

16-20

21-25

26-30

31-40

Working days+ Saturday+sunday

8-14

15-21

22-28

29-35

36-42

43-56

USA, UK Australia France Germany Canada Spain

Rate(time arrived)

9.9%

43.2%

34.1%

11.4%

1.4%

0.00%

Italy,Brazil Other Country

Rate(time arrived)

0.00%

10.2%

18.2%

32.3%

35.8%

3.50%

Russian Federation

Rate(time arrived)

1.00%

5.2%

18.2%

20.3%

40.8%

15.5%

If you have no patience to wait for so long,please buy the item in your own country or pay more money for quickly shipment!

After the seller perform of these commitments,the buyer have the obligation to leave the seller a positive feedback!

 

If you have any questions,please feel free to contact us,please believe us,we can help you solve the problems.thanks!

F04423 DC Boost Converter Step Up Voltage LM2587 Power Supply Module 3.5-30V to 4.0-30V + Free shipping



Copyright Notice @ 2008-2022 ECVERY Limited and/or its subsidiaries and licensors. All rights reserved.