Electronics accessory for reliable DC power connections, aimed at CCTV and small projects. Practical spare and extension solution that reduces installation fuss for installers and hobbyists. Is a 12-piece pack the right fit for your site needs with the 5.5 x 2.1mm format? RUNCCI-YUN DC Power Coupler
⚡ At a Glance
- • Connector Compatibility: 5.5mm x 2.1mm matches common CCTV DC barrel connectors
- • Best for: Installers and hobbyists making or repairing CCTV power leads
- • Not ideal for: Users who require locking, waterproof or permanently soldered connections
Male-to-male and female-to-female couplers in a 5.5 x 2.1mm DC barrel format for CCTV and small electronics. Pack contains six female-to-female and six male-to-male connectors for making or repairing cables.
Reliable power link - with 5.5 x 2.1mm connector size
Connector dimensions are given as 5.5mm external diameter and 2.1mm internal diameter, matching the DC barrel format used on many cameras and small electronics. The barrel-and-pin geometry creates the electrical contact required for low-voltage DC power.
Secure electrical contact reduces intermittent power losses, so cameras and equipment remain powered during use.
Flexible cabling - with male-to-male and female-to-female couplers
Female-to-female couplers join two cable ends, while male-to-male pieces bridge barrel connectors, allowing extension or reconfiguration without soldering. Couplers act as inline joins that preserve correct polarity when matched to like-sized plugs.
Makes it straightforward to build bespoke power leads or extend existing ones quickly during installation or maintenance.
Ready spares for repairs - with a 6+6 pack
Package contents list six DC female-to-female connectors and six male-to-male connectors, giving multiple spare joints and replacement parts. The quantity supports servicing several units or keeping replacements to hand.
Keeps spare parts available for rapid onsite swaps, reducing downtime across multi-camera setups.
✨ The 4 Key Reasons for RUNCCI-YUN DC Power Coupler
- 5.5 x 2.1mm Connector Size - Matches common CCTV power plugs for straightforward replacements
- Male and Female Couplers - Create custom-length power leads without soldering or special tools
- 12-piece Pack - Enough spares for multi-camera setups or onsite repairs
- Simple Push-Fit Connection - Swap connectors quickly during installation or maintenance tasks
📋 Technical Details at a Glance
- Category: Electronics
- Connector Size: 5.5mm x 2.1mm (External x Internal)
- Connector Types: Female-to-Female and Male-to-Male DC barrel couplers
- Intended Use: CCTV cameras and small electronics projects
- Package Contents: 6 x DC Female-to-Female, 6 x Male-to-Male couplers
❓ Frequently Asked Questions
Q: Are these compatible with CCTV power jacks?
A: Yes. Connector dimensions are 5.5mm external and 2.1mm internal, and user feedback confirms the size suits CCTV power connectors.
Q: What is included in the pack?
A: The package contains six female-to-female DC couplers and six male-to-male DC couplers, twelve pieces in total.
Q: Can these be used to extend cables or replace broken connectors?
A: Yes. Descriptions state they are perfect for making a cable to a desired length or replacing a broken connector.
🏆 Our Verdict
Suitable for installers, small-scale integrators and DIY hobbyists who need quick, compatible DC power joins. The clear selling point is the 5.5 x 2.1mm male and female coupler combination supplied in a 12-piece pack for repairs and custom cable builds. A practical purchase for anyone who values spare parts and fast on-site fixes, offering solid long-term utility.
