5.5mm to 3.5mm DC Power Connector Adapter Female to Male

5.5mm x 2.1mm Female to 3.5mm x 1.35mm Male DC Power Adapter

Need to connect a device with a 3.5mm x 1.35mm DC power jack to a standard 5.5mm x 2.1mm power supply? This compact straight-style DC power connector adapter makes the conversion quick, easy, and reliable — no rewiring or soldering required.

Built from durable metal and plastic construction, this adapter features a straight-through design that simply converts the interface size. Please note: this adapter changes the connector size only — it does not alter or regulate voltage. Always ensure your power supply voltage matches your device's requirements before use.

Key Features

• Connector A: 5.5mm x 2.1mm Female Jack (input side)
• Connector B: 3.5mm x 1.35mm Male Plug (output side)
• Gender: Female to Male
• Style: Straight (compact, no cable)
• Material: Metal & Plastic construction for reliable conductivity
• Color Options: Black or Silver
• Voltage Rating: Low voltage — below 50V AC or 75V DC (EU LVD compliant)
• No battery included | No wireless functionality
• Made in Mainland China

What's in the Box

• 1x DC Power Connector Adapter (5.5mm x 2.1mm Female to 3.5mm x 1.35mm Male)

Important Notes

• Please confirm the connector sizes you need before ordering — this adapter is specifically for converting 5.5x2.1mm to 3.5x1.35mm interfaces.
• Interface conversion only — voltage is not changed by this adapter.
• Allow ±0–2mm measurement tolerance due to manual measurement methods.
• Actual product color may vary slightly from images shown.

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Frequently Asked Questions

Q: Will this DC power adapter work with my laptop charger?

A: This adapter is designed to convert a 5.5mm x 2.1mm female DC jack to a 3.5mm x 1.35mm male plug, which is commonly used with certain mini laptops, routers, and small electronics. It only converts the connector interface — it does not step up or step down voltage, so please verify that your power supply voltage matches your device's input requirements before use.

Q: Does this adapter work in both directions (3.5mm to 5.5mm)?

A: No. This specific adapter is a one-directional interface converter: it accepts a 5.5mm x 2.1mm female jack on one end and outputs via a 3.5mm x 1.35mm male plug on the other. For the reverse conversion, you would need a separate adapter with the opposite configuration.

Q: Is this adapter safe for use with low-voltage DC power supplies?

A: Yes. This adapter is rated for low-voltage applications — below 50V AC or 75V DC — in line with EU LVD (Low Voltage Directive) standards. It is constructed from metal and plastic materials suitable for standard low-voltage DC power connections. Always ensure your power supply is within the rated voltage range.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.