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25W DC-DC 3-6.8V to DC 12V Step Up Boost Voltage Converter Power Supply Module

25W DC-DC 3-6.8V to DC 12V Step Up Boost Voltage Converter Power Supply Module

  • Model: TB397
  • Shipping Weight: 0.03Kg
  • 9976 Units in Stock

USD $4.99

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Below item is powered by Canton-electronics Ltd . 
Product Name: 30W DC-DC 3-6.8V to DC 12V Step Up Boost Voltage Converter Power Supply Module
Module No.:  TB397
Packing list:
1 pcs step-up modules (input 36.8V , output 12V±5% 25W );
1 pcs Plastic shell

Input voltage DC 3 ~ 6.8V, output DC 12V
Maximum output current: 2A

Input 3.3V 2A         Output Current 12V 0.4A
Input 3.7V 3.7A       Output Current 12V 0.9A
Input 5V 5A           Output Current 12V 1.6A
Input above 6V 5A     Output Current 12V 2A

Attention : 
1: Boost modules or buck module indicate the operating voltage, Please donot exceed operating voltage , or it will be damaged easily !
2: Automatic Adjustable Boost or Buck module has start voltage and limit working voltage!
3: Boost module output voltage can only be greater than or equal to input voltage, cannot be less than the input voltage!
4: Buck module input voltage must be higher than output voltage of 1.5V or 2V, otherwise it can not output enough power ,Please donot exceed them , or it will be damaged easily !
5: Cannot reverse polarity , or it will be short circuit, or will be  born easily !

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
Power supply Plastic shell:
Enclosure Material: PC
Outside diameter : 42 x 40 x 21
Inside diameter : 39 x 37 x 19



①Battery powered equipment
②Wirels mouse, Wireless keyboard
③ Network equipment,Router
④Camera, Video camera

⑦LED Lighting
⑧Wireless communication equipment
⑨MP3/MP4 player
⑩Audio equipment 
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, at this time of the input voltage is very low
Introduction for Shenzhen Canton-electronics Trading Co.,Ltd :
We specialize in RF Wireless Radio Transmitting Units and Receiving Units, the product include transmitters with case, receivers with relay(s), transmittng modules and receiving modules, are widely applied in RC toy, remote sensing, telemetry, fireworks, industrial control, home&garden application.
Normally shipping is by Airmail from China Post Air Mail or Hong Kong Post Air Mail ,15-60 days shipping time based on different country .
Express is available, shipping time is 2-7 days all over the world, and telephone number is needed. Please contact us first for extra payment .
The Best Prices. By working with Canton-electronics Ltd, you can take advantage of the internet business, cut off the wholesalers cost and other costs, and import your products directly from the manufacturer at incredible prices.
Prompt Delivery. Most units are in stock all the time, standard units will be completed within 1-3 days if they are sold out, it is great help for you if your project must be completed before deadline.
Prompt Service. Mails will be replied within 24 hours We work 6 days  a week.
Return Policy
All mails will be replied to within 24 hours except on weekend and holidays.
Every item is manufactured under Strict Quality-Assurance Guidelines. If you are dissatisfied for any reason, please return the product to us, and we'll refund your money(not  including  shipping fees).
Please ensure that return items are not used.
Return items must be Posted within 7 days of receipt.
Please inform us via email before posting your return package.
We accept PayPal only. 
We only ship item to your PayPal verified address. 
Payment must be received within 3 Days from the date of purchase. 
Please leave note in PayPal when making the payment if you have any special request (colors/size).
Orders will be processed instantly and dispatched in same day normally, so we do NOT accept any Email/Message note before or after you place orders. 
Import tax : 
 We will dispatch the item as SAMPLE or GIFT ,  label the total amount on the custom declare invoice .
 Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to buying.




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Items can be returned for a refund or exchange within 60 days of the date of purchase. But the reason for returns caused by yourself (eg, size, color you choose), cannot be accepted. Special circumstances may require partnership with corporate business partners. For more information, please contact our customer service. We shall ship the items via DHL or USPS Once your order is processed you will receive email notification with shipment tracking number. All delivery standards begin when you receive this email. If order is placed after 3:00 PM CST on Friday or on the weekend, the earliest it will ship is Monday.