COOLM
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COOLM 5.5mm x 2.1mm Female to 3.5mm x 1.35mm Male Plug Socket DC Power Cord
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COOLM 5.5mm x 2.1mm Female to 3.5mm x 1.35mm Male Plug Socket DC Power Cord
Convert your standard power port effortlessly with our ultra-thin and lightweight adapter cable.
COOLM 5.5mm x 2.1mm Female to 3.5mm x 1.35mm Male Plug Socket DC Power Cord
Item #: 10998322

COOLM 5.5mm x 2.1mm Female to 3.5mm x 1.35mm Male Plug Socket DC Power Cord

90% of respondents would recommend this to a friend

Item #: 10998322

KYD 12

Price Details

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*All items will import from US

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Order now and get it around Friday, September 11
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Convert your standard power port effortlessly with our ultra-thin and lightweight adapter cable.
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What Stands Out

Versatile Compatibility
This adapter cable bridges 5.5mm x 2.1mm female to 5.5mm x 2.5mm male, ensuring seamless connections for LED strips, monitors, and cameras, catering to a wide range of devices.
Dual Pack Value
Included in the package are two adapter cables, offering exceptional value and convenience for users needing extra connections without the hassle of purchasing separately.
Durable Construction
Designed with high-quality materials, this power cord guarantees reliable performance and longevity, providing peace of mind even in demanding usage scenarios.

Product Details

Buy COOLM 2PCS AC Adapter Cord Extension Cable for LED, CCTV, Monitors at Ubuy Cayman Islands. Convert 2.1mm x 5.5mm to 3.5mm x 1.35mm for 24V IP security cameras, LED lights, and more.
Connector GenderMale-to-Female
Plug Type5.5mm x 2.1mm female to 3.5mm x 1.35mm male
Amperage3 A
Power Cord Prong Count4
Indoor Outdoor UsageIndoor, Outdoor
Special FeaturesFemale Connectors to Male Jack
Input Current3 A
Wattage72 watts
Item Weight0.03 kg
Item Length6.3 inches (16 cm)
BrandCOOLM
Model NumberC-5.5X2.1-3.5X1.35
Unit Count2 Count
ManufacturerHUAPU
Mfr Part NumberC-5.5X2.1-3.5X1.35
Color3.5mm x 1.35mm
Plug Format5.5mm x 2.1mm female to 3.5mm x 1.35mm male

Who Should Buy?

Suitable For
  • LED Strip Users

    Ideal for connecting LED strips that require a 2.1mm power connector with a compatible male end.

  • Camera Owners

    Perfect for photographers needing extra power for cameras that use a 5.5mm x 2.5mm connection.

  • Monitor Setup

    Suitable for those needing to power monitors or electronics requiring different DC power plug sizes.

Not Suitable For
  • High-Power Devices

    Not suitable for devices requiring higher voltage or amperage than what these cables can safely provide.

Product Description

COOLM 5.5mm x 2.1mm Female to 3.5mm x 1.35mm Male Plug Socket DC Power Cord

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the COOLM DC Power Adapter Cable?

    Answer: The COOLM 5.5mm x 2.1mm Female to 3.5mm x 1.35mm Male Plug Socket DC Power Adapter Cable is designed to allow users to connect devices that require different power plug specifications. This adapter effectively converts a larger female power socket to a smaller male connector, making it suitable for a variety of electronic devices. For instance, you can use this cable to integrate a larger power supply with smaller devices like portable speakers or LED lights.
  • Question: What devices are compatible with this adapter cable?

    Answer: This adapter cable is compatible with a wide range of devices that utilize 5.5mm x 2.1mm female or 3.5mm x 1.35mm male plugs. Commonly, it can be used with power supplies for outdoor lights, cameras, and other small electronic equipment. Always verify the plug specifications of your devices to ensure compatibility, as this will enable smoother operation and connection without the risk of damage.
  • Question: Is the COOLM DC Power Adapter Cable durable?

    Answer: Yes, the COOLM DC Power Adapter Cable is designed with durability in mind. Constructed from high-quality materials, it helps minimize wear and tear typically associated with frequent use. The robust build ensures that it maintains a stable connection, which is essential for powering your devices safely and efficiently over time, making it ideal for both home and professional environments.
  • Question: How can I ensure a secure connection with this adapter?

    Answer: To ensure a secure connection when using the COOLM DC Power Adapter Cable, make sure to insert the plugs firmly into both the power source and the device. Check that the connection points are clean and free from debris, as this can affect performance. Using this adapter correctly helps prevent any accidental disconnections, making it optimal for scenarios where reliability is crucial, such as outdoor events or in a studio setup.
  • Question: Can this adapter cable be used for DIY projects?

    Answer: Absolutely! The COOLM DC Power Adapter Cable is perfect for DIY projects that involve electronics. Its versatility allows hobbyists and enthusiasts to connect various components that require differing power plug sizes. Whether you're building a custom audio setup or integrating new lighting into your craft, this adapter can streamline connections and enhance your project flexibility.
  • Question: How many pieces come in one order of this adapter cable?

    Answer: Each order of the COOLM 5.5mm x 2.1mm Female to 3.5mm x 1.35mm Male Plug Socket DC Power Adapter Cable includes 2 pieces. This allows users to have a backup handy or enables the connection of multiple devices simultaneously. Having two cables can be especially useful in multi-device setups, ensuring that you are well-equipped for various connectivity needs.
  • Question: Is this adapter cable suitable for outdoor use?

    Answer: While the COOLM DC Power Adapter Cable is designed for durability, its suitability for outdoor use depends on the specific environmental conditions. If using it outdoors, ensure that it is not exposed to extreme weather or moisture, as this can compromise the connection. However, it’s ideal for outdoor lights or devices meant for temporary setups, provided precautions are taken.
  • Question: What do the cable specifications mean?

    Answer: The specifications of the COOLM DC Power Adapter Cable indicate its size and compatibility. The numbers 5.5mm x 2.1mm refer to the outer and inner diameters of the female end, while 3.5mm x 1.35mm denotes the male plug size. Understanding these specifications helps you select the right cable for your devices, ensuring proper voltage and current flow, crucial for maintaining optimal performance.
  • Question: Where can I buy the COOLM DC Power Adapter Cable in Cayman Islands?

    Answer: You can buy the COOLM 5.5mm x 2.1mm Female to 3.5mm x 1.35mm Male Plug Socket DC Power Adapter Cable at Ubuy in Cayman Islands. Ubuy offers a reliable platform for sourcing quality tech accessories, with detailed descriptions to help you make informed purchase decisions.
  • Question: Are there any alternatives to this adapter cable?

    Answer: Yes, there are several alternatives available that may fit your needs, such as other DC power adapter cables with varying specifications. When searching for alternatives, consider the exact plug sizes and compatible devices you are using. It’s advisable to stick with reputable brands that ensure safety and reliability, which is critical in avoiding potential damage to your electronic gear.

COOLM Surveillance Camera Cables C-5.5X2.1-3.5X1.35 Editorial Review

COOLM 5.5mm x 2.1mm Female to 3.5mm x 1.35mm Male Plug Socket DC Power Cord | 5.5x2.1mm F to 3.5x1.35mm M Adapter cable 2pcs, offers a reliable solution for connecting devices with different power plug specifications. Many users appreciate the quality, noting that it performs as advertised, with several reports of successful use in applications ranging from computer networks to solar panels. The product has garnered positive feedback for its sturdy construction and effective performance, making it a favored choice for adapting various DC devices. However, it's worth mentioning that one user faced issues with fit compatibility, indicating that it may not suit all connections perfectly.

Customer Reviews & Ratings

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Pros

  • Works well for various DC device connections
  • Quality build ensures durability
  • Easy to connect and use
  • Perfect for solar panel applications
  • Good value for a pack of two

Cons

  • Some users found the male connector too tight

Platform Trust & Buyer Confidence

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Jazz
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“Easy to use and always helpful and sorts any issues I've had past and present”

1 September 2026 · via Trustpilot
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“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”

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“The delivery was fast and the product came undamaged and authentic.”

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27 August 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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KYD 12

Order now and get it around Friday, September 11

QTY:

Secured transactionsecured transaction

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Fastest cross-border delivery

Features & Benefits

  • 100% brand new and high-quality power conversion line.
  • Easily converts 2.1mm x 5.5mm female to 3.5mm x 1.35mm male plug.
  • Compatible with a variety of devices requiring DC input, including LED lights and security cameras.
  • Extremely portable with a length of 6.3 inches (16cm).
  • Perfect for use with power adapters up to 24V and 3A.
  • Free model replacements available for size adjustments.

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