DC 5.5mm Cigarette Lighter Female 12V Socket with Waterproof Cap | 2.1mm Plug Adapter Cable 16AWG/2C 0.3M

DC 5.5mm Cigarette Lighter Female 12V Socket with Waterproof Cap | 2.1mm Plug Cable 16AWG/2C 0.3M

Water-Resistant 12V Power Adapter Cable with Cigarette Lighter Socket

This adapter cable features a DC 5.5mm female cigarette lighter socket with waterproof cap and a 2.1mm male plug. Constructed with 16AWG 2-core cable, 0.3M length. Ideal for marine, automotive, and outdoor applications requiring water-resistant power connections.

Product Overview

This DC power adapter cable provides a convenient connection between 12V power sources with a 2.1mm plug and devices requiring a standard cigarette lighter socket. The female cigarette lighter socket features a protective waterproof cap, making it suitable for environments where moisture resistance is important.

With a short 0.3-meter length and robust 16AWG 2-core conductors, this cable is designed for minimal voltage drop and reliable power transmission. The compact design is perfect for tight spaces while providing a secure connection for various 12V accessories and equipment.

Waterproof Cap Protection

The integrated waterproof cap on the cigarette lighter socket provides protection against moisture, dust, and splashes when not in use. This feature extends the lifespan of the connector and maintains reliable performance in damp or outdoor environments.

Key Features & Benefits

• DC 5.5mm Female Cigarette Lighter Socket: Standard 12V car accessory socket compatible with most 12V devices like chargers, air compressors, and car vacuums.
• Waterproof Protective Cap: Integrated cap protects socket from moisture, dust, and debris when not in use.
• 2.1mm Male DC Plug: Standard 2.1mm diameter plug for connection to 12V power sources, adapters, or distribution panels.
• 16AWG 2-Core Cable: Heavy-duty 16AWG conductors ensure minimal voltage drop and reliable current carrying capacity.
• 0.3-Meter Compact Length: Short cable length minimizes clutter and is ideal for tight installation spaces.
• 12V DC Operation: Designed for standard 12V DC automotive and marine electrical systems.
• Durable Construction: High-quality materials with strain relief at both connectors for extended service life.
• Easy Installation: Simple plug-and-play operation with no wiring required for standard applications.
• Versatile Applications: Suitable for cars, boats, RVs, trucks, and portable power setups.
• Corrosion Resistance: Connectors designed to resist corrosion in marine and outdoor environments.

Technical Specifications

Connector Specifications

Female Connector: DC 5.5mm Cigarette Lighter Socket

Waterproof Feature: Integrated protective cap

Male Connector: 2.1mm DC Plug (typically center positive)

Polarity: Usually center positive (verify with your device)

Locking Mechanism: Standard cigarette lighter retention spring

Cable Specifications

Cable Length: 0.3 meters (approximately 1 foot)

Conductor Size: 16AWG (1.31mm²)

Conductor Count: 2-core (Positive and Negative)

Insulation: PVC, flexible and durable

Cable Color: Typically black or red/black

Electrical Specifications

Voltage Rating: 12V DC (up to 24V in some models)

Current Rating: Up to 10-15A depending on cable quality

Power Rating: Up to 180W at 12V (15A)

Temperature Range: -20°C to +80°C

Contact Material: Brass or copper alloy with plating

Polarity Information

Important Polarity Notice

Most 2.1mm DC plugs use center-positive polarity (positive wire connected to center pin, negative to outer sleeve). However, always verify the polarity requirements of your specific device before connecting. Using incorrect polarity can damage sensitive electronics. The cigarette lighter socket follows standard automotive polarity (center positive, outer negative).

Installation & Safety Information

Important Safety Guidelines

For safe operation and installation of your adapter cable:

• Verify Polarity: Confirm your device's polarity requirements before connection to prevent damage.
• Current Limitations: Do not exceed the current rating of the cable or connected devices.
• Waterproof Cap Usage: Always replace the waterproof cap when socket is not in use to maintain protection.
• Inspect Regularly: Check cable and connectors for damage, especially after use in harsh environments.
• Proper Connection: Ensure plugs are fully inserted for secure electrical contact.
• Avoid Pinching: Do not run cable through doors, windows, or sharp edges that could damage insulation.
• Marine Environment: For marine use, ensure all connections are properly secured and protected from saltwater exposure.
• Fuse Protection: Consider adding inline fuse protection for devices without built-in fusing.
• Heat Sources: Keep away from engine components, exhaust systems, and other heat sources.

Common Applications

This versatile adapter cable is suitable for numerous 12V power applications:

Marine & Boating

Power connections on boats, yachts, and personal watercraft where moisture resistance is critical

Automotive Accessories

Connecting 12V devices like tire inflators, vacuum cleaners, or phone chargers in vehicles

RV & Camper Van

Power distribution for accessories in recreational vehicles and mobile living spaces

Portable Power Stations

Connecting 12V outputs to cigarette lighter compatible devices

Outdoor Equipment

Power for camping lights, portable refrigerators, or outdoor entertainment systems

Emergency Power

Connecting emergency lights, radios, or communication devices to 12V power sources

Test & Measurement

Laboratory or field testing setups requiring 12V power connections

Custom Installations

DIY projects, custom vehicle builds, or specialty equipment requiring 12V power adapters

Connector Compatibility Guide

Installation Tips

For Marine Use

Apply dielectric grease to connectors for enhanced corrosion resistance

Secure cable with marine-grade cable clamps

Route away from bilge areas and potential water accumulation

Regularly inspect for saltwater corrosion

For Automotive Use

Use cable ties to secure along existing wiring harnesses

Avoid routing near moving parts or hot engine components

Test connection with device before final installation

Consider adding fuse protection if not present in device

Maintenance

Clean connectors with electrical contact cleaner periodically

Check waterproof cap seal for wear or damage

Inspect cable insulation for cracks, especially after extreme temperature exposure

Store in dry location when not in use for extended periods

Package Contents

Standard Package

0.3-meter 16AWG 2-core cable connecting both

Basic installation instructions

Optional Accessories

Additional waterproof caps (replacement)

Cable extension with matching connectors

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This product information sheet is intended for business procurement and wholesale purposes. Specifications are based on standard production models and may vary slightly. Always verify compatibility with your specific devices and applications before use.