Buck-boost Converters

2in1 Buck-Boost 0.8-6V to 3.3V DC DC Converter Module for Wifi Bluetooth esp8266

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2in1 Buck-Boost 0.8-6V to 3.3V DC DC Converter Module for esp8266 Wifi Bluetooth



  • 100% brand new and high quality.
  • Applications
    Battery powered equipment
    Breadboard Power Supply
    ARM FPGA CPLD MCU Development board
    electrical tools
    Small power motors
    Camera, Video camera
    Toy car
    power bank
    LED Lighting
    Wireless communication equipment
    Audio equipment

    Attention :
    This is a DC-DC voltage converter module,Must be noted when using:
    1 Input voltage can not be greater than the maximum input range
    2 Output power can not be greater than the maximum load for a long time
    3 Input power must be greater than the output power, because the power consumption of the module itself

    Q & A:
    Q : Why output voltage is less than the nominal voltage
    A : Input power supply power is too low.Test the input voltage with a multimeter,a t this time of the input voltage is very low

    Input voltage DC 0.9 ~ 6V, output DC 3.3V(+-5%)
    The maximum input voltage can not exceed 6.5V
    Auto Buck-Boost Converter Module working frequency 1MHZ.efficiency 61%-85% .
    Operating temperature range : -25~+85℃
    Storage temperature range : -45~+125℃
    2.54mm pin pitch,MCU Development Board Breadboard friendly
    Size : 2x1.5cm/0.79x0.59inch
    Quantity: 1 Pc
  • Note:
  • 1.Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.
  • 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package includes:

  • 1 Pc x Boost Converter


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  • We could offer  refund,  and refund request is available only requests  within  a week after parcel received & returning the  item as  the same condition as received.

  • We offer 100% refund if the item is broken before  arrival,  all you need to do is sending us the clear  pictures  to show it is broken. Defective situation must be  noticed within 7 days after delivery.

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All items sold by us  are being described to the best of our abilities, as  accurate as possible, and with utmost  conscientiousness on our part.However, to avoid any  potential oversights, I respectfully request your  assistance in helping us to make this a mutually  satisfactory transaction by Thoroughly reviewing  item description and photos, and asking all  questions Prior To Bidding.

Please Note that size  and color representation are subject to  manufacturing variance and may not be exact. Also  note that monitor settings may vary from computer to  computer and may distort actual colors. Please read  these terms thoroughly before placing your bid. 

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  • In the unlikely event  you are not satisfied with the transaction, please  contact us before you sumbit your evaluation. We  believe that everything could be solved by  communication.
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    3.We strive for 5-star service by stating upfront  our policies, our shipping rate& our shipping  frequency. if you were pleased with this  transaction, please respond with all 5 stars! if you  are not pleased, simply let me know via e-mial  rather than leave low score, and I'll work to make  it that way
    4.Please email me through 'MY MESSAGES' or "Ask  Seller Questions" if you have any question about our  listing or your purchase

Contact us:
  •  We are in  Shenzhen of Pearl River Delta which is developed  place with economy and Trade We are a profession  trade company. There are about 16000 kinds of  products in my company,Our products include consumer  electronics, Nail Art Tools, Clothes and shoes, cell  phone accessories, computers  accessories, car accessories, Motorcycle accession,  toys & hobbies, jewelry, baby accessories other useful electronics  items and etc

  • If you have any  problems, we are very glad to help you. We rare  handling large volume emails every day. Please allow  us to reply your email within 24hrs

  • For the functional  products in our shop (such as: Chargers, Data  cables), which function is the same as description,  but the actual color and shape may looks a little  different from pictures because of the technical  improvement and actual stock state. Please be  advised before you bid. 

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