Sumex Jump Start Booster Cables - 3.5M - 350 Amp
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Product Information
Full details
The Sumex 350 Amp Jump Start Booster Cables are designed for vehicle owners who need a reliable solution for emergency battery failure in cars, motorcycles, vans, and even heavy-duty vehicles like lorries. These 3.5-meter cables provide the necessary reach for most roadside situations and are TUV/GS safety certified, though users must verify their engine displacement to ensure it remains within the 5.5L petrol or 3L diesel limit to avoid overheating the cables.
All features
| Model Part Number | 2707006 |
|---|---|
| Brand | SUMEX |
Extended Product Information
FAQs
Can I use these on a 24v truck?
Yes, these cables are compatible with both 12v and 24v systems.
Are these cables suitable for a 4L diesel engine?
No, these cables are rated for diesel engines up to 3L. Using them on a 4L engine may lead to overheating.
What does TUV/GS certification mean?
It means the product has been tested by independent authorities for safety, quality, and technical compliance.
Do I need to leave the donor car running?
It is common practice to run the donor engine for a few minutes to charge the dead battery slightly before attempting to start the disabled vehicle.
How do I clean the clamps?
If the clamps become dirty or oxidized, gently wipe them with a clean, dry cloth to ensure a good electrical connection.
Troubleshooting
Vehicle will not start after connecting
Check that the clamps have a firm, direct metal-to-metal connection on the battery terminals. Ensure you are not connected to painted surfaces or plastic covers.
Cables become very hot during use
This may indicate the engine size exceeds the 3.5L diesel or 5.5L petrol capacity. Disconnect immediately and allow the cables to cool down.
Pros and Cons
Pros
- Versatile use across both 12v and 24v systems
- Generous 3.5-meter length for easier vehicle positioning
- TUV and GS safety certification provides peace of mind
- Suitable for a wide variety of vehicle types from motorcycles to lorries
- Compact storage bag included for tidy organization
Cons
- Not suitable for heavy-duty engines exceeding 5.5L petrol or 3L diesel
- Does not include integrated surge protection
- Cable weight may be higher than thinner, lower-amp alternatives
Setup, Compatibility & Care
To maximize the lifespan of your Sumex booster cables, avoid letting the clamps touch each other while connected to a battery to prevent short-circuiting. After use, inspect the insulation for any cuts or fraying. If you notice exposed wiring, the cables should be replaced immediately. When storing the cables, ensure they are coiled loosely in the provided bag to prevent kinks or internal wire fatigue. Always verify that the donor vehicle battery has an equal or higher voltage rating than the vehicle being jumped to prevent damage to the donor vehicle's electronics.