30cm 70mm2 heavy duty black battery cable link with eyelets to connect batteries
30cm 70mm2 heavy duty black battery cable link with eyelets to connect batteries
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70mm² Heavy Duty Black Battery Cable Link
30cm Length | 8mm Eyelets | Negative Terminal Connection
The Photonic Universe 30cm 70mm² Heavy Duty Black Battery Cable Link is engineered for robust and reliable connections within your battery bank. This essential accessory is specifically designed to interconnect the negative terminals of two or more batteries, ensuring efficient power transfer for high-current applications.
Featuring a substantial 70mm² cross-section and pre-fitted 8mm metal ring terminals on both ends, this black cable provides a secure and low-resistance link. Its heavy-duty construction makes it ideal for demanding environments, including solar power systems, off-grid installations, automotive, and marine applications.
IMPORTANT NOTE: This black cable is specifically for negative battery terminal connections. Always use a corresponding red cable for positive connections to ensure correct polarity and system safety.
Key Features
| ▶ Heavy-Duty 70mm² Cross-Section — Ensures efficient current flow for high-power battery banks. |
| ▶ Pre-Crimped 8mm Eyelets — Provides secure, low-resistance connections to standard battery terminals. |
| ▶ Optimal 30cm Length — Ideal for linking adjacent batteries in a compact and tidy bank. |
| ▶ Durable Black Sheathing — Clearly identifies negative connections and offers robust protection in various environments. |
| ▶ Flexible Conductor — Facilitates easier routing and installation in confined spaces. |
Technical Specifications
| Parameter | Value |
|---|---|
| Cable Length | 30 cm |
| Cable Cross-Section | 70 mm² |
| Ring Terminal Diameter | 8 mm |
| Cable Colour | Black |
| Intended Use | Negative Battery Terminal Link |
| Manufacturer | Photonic Universe |
Typical Applications
| Application | Description |
|---|---|
| Solar Battery Banks | Linking multiple deep-cycle batteries in off-grid or grid-tied solar power systems. |
| Off-Grid Power Systems | Connecting batteries for cabins, RVs, caravans, and remote power setups. |
| Automotive & Marine | Heavy-duty battery connections in vehicles, boats, and other 12V/24V/48V systems. |
| UPS & Backup Power | Interconnecting batteries in uninterruptible power supply (UPS) units and backup energy storage. |
Robust Construction & Safety Considerations
This Photonic Universe battery cable is constructed with a flexible, heavy-duty copper conductor and durable PVC insulation, designed for tough working environments and suitable for low voltage applications. The robust design helps ensure reliable power delivery and resistance to abrasion, oil, water, and chemicals, contributing to the overall safety and longevity of your battery system.
Common Questions
What is the primary use of this black battery cable?
This cable is specifically designed to connect the negative terminals of batteries within a battery bank, ensuring a secure and efficient electrical link.
Can I use this cable for positive connections?
No, this black cable is intended for negative connections. For positive connections, a red cable of similar specifications should be used to maintain correct polarity identification and system safety.
What does 70mm² mean?
70mm² refers to the cross-sectional area of the copper conductor. This indicates its capacity to carry high currents safely without excessive voltage drop, making it suitable for heavy-duty applications.
Are the eyelets pre-fitted?
Yes, this cable comes with 8mm metal ring terminals pre-crimped on both ends, ready for immediate connection to your battery terminals.
Installation Notes
- Ensure battery terminals are clean and free from corrosion before making connections.
- Connect negative terminals first when assembling a battery bank, and disconnect them last.
- Always use appropriate tools to tighten connections securely to prevent loose contacts and arcing.
- Verify correct polarity throughout your system before energising any circuits.
- Route cables to avoid sharp edges, excessive heat sources, and potential physical damage.
Before You Buy
- Confirm the exact cable length required for your battery bank layout to minimise voltage drop.
- Verify that the 70mm² cross-sectional area is suitable for your system's maximum current draw.
- Check that your battery terminals are compatible with 8mm eyelets for a proper fit.
- Ensure you also have appropriate red cables for positive connections if building a complete battery bank.
- For complex installations, always consult a qualified electrician or solar professional.
Please verify all specifications and compatibility requirements for your specific application before purchase. Always consult professional guidance for electrical installations.
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