Custom DC5521 Female Socket with Online Fuse Holder & O-Ring Terminal Battery Charge Power Cable
Designed for stable DC power transmission and overcurrent protection in battery charging applications, this custom power cable integrates a DC5521 female socket, built-in online fuse holder, and secure O-ring terminal connection. Featuring high-purity copper conductors, flame-retardant PVC insulation, and precise soldering craftsmanship, it supports up to 5A current with voltage ratings commonly at 12V/24V. The integrated fuse holder offers real-time circuit protection, minimizing the risk of short circuits or overload damage, making it ideal for solar energy systems, portable power stations, and DC-powered devices.
Key Features:
• DC5521 female socket for standard DC power input
• Integrated online fuse holder for real-time protection
• O-ring terminal for secure and conductive contact
• Durable PVC jacket with heat & abrasion resistance
• Customizable wire gauge and cable length to fit your exact specs
Technical Specifications
- Product Type: DC Power Cable with Fuse & Terminal
- Socket Type: DC5521 Female
- Protection: Online Fuse Holder (included)
- Terminal: O-Ring / Crimp Terminal
- Rated Current: Up to 5A
- Common Voltage: 12V / 24V DC
- Material: Copper conductor, PVC insulation
Production Process
Wire Preparation: High-conductivity copper core with insulation stripping and tinning.
Terminal Crimping: Precision O-ring terminal applied via crimping machine for secure contact.
Fuse Integration: Inline fuse holder assembled and soldered for real-time protection.
Final Assembly: Female DC5521 socket connected, then fully insulated and tested for continuity & safety.
Why Choose This Power Cable?
Built-in Safety
Online fuse holder provides instant overcurrent protection to prevent device or circuit damage.
Secure Connection
O-ring terminal ensures low-resistance, vibration-resistant, and durable electrical contact.
Standard Compatibility
DC5521 female socket matches widely-used DC power inputs for easy integration.
Customizable Design
Wire gauge, length, and terminal type can be tailored to your specific power requirements.
Core Technology & Applications
Online Fuse Protection
The fuse is installed in-line with the power path, ensuring immediate disconnection on overload.
Crimp & Solder Technique
Professional-grade terminal crimping with solder reinforcement for long-term reliability.
Battery Charging
Ideal for use in power banks, solar chargers, emergency lights, and DC device maintenance.
OEM / ODM Support
Fully customizable for brand-specific packaging, wire colors, and connector modifications.
Detail Images:



How to custom your own wire harness?
Send your sample or drawing/schematic for quote price→ Feedback with quotation(1~3 days) → Confirm quotation → Arrange sample you for approval→ [Make mold if need(7 days) →Mold test] → Making samples(1~3 days)→Samples test(Approval) →place order for Mass production(2~3 weeks)→Quality checking→Packing →Delivery →After Service →Repeat Order.