Amtech Car Battery Booster Jump Jumper Leads 800 Amp Cables J0340

Amtech J0340 Car Battery Booster Jump Jumper Leads 800 Amp Cables

Barcode: 5032759039067

Model: J0340

Overview:

The J0340 Amtech 800 Amp Car Battery Booster Jump Jumper Leads are heavy-duty battery booster cables designed to help start vehicles with flat batteries quickly and reliably. Suitable for a wide range of vehicles including cars, vans, agricultural and commercial vehicles, these leads are built for regular use ideal for garages, workshops and service vans. Featuring 3.5m PVC coated solid copper cable, they offer good reach between vehicles while providing strong current transfer. The corrosion-resistant, spring-loaded connectors clamp securely to battery terminals, helping maintain a stable connection during jump starting.

Key Features

• 800A jump leads suitable for many vehicle starting needs

• Ideal for cars, vans, agricultural and commercial vehicles

• 3.5m cable length for improved reach and flexibility

• PVC coated solid copper cable for durability and efficient transfer

• Heavy-duty build suited to daily garage and workshop use

• Corrosion-resistant, spring-loaded clamps for secure terminal grip

• Strong connectors help maintain reliable contact during starting

Specifications

• Brand: Amtech

• Model: J0340

• Barcode: 5032759039067

• Max Start-up Power: Up to 800A

• Cable Length: 3.5m

• Cable Type: Solid copper core

• Cable Coating: PVC

• Clamps: Heavy-duty spring-loaded, corrosion-resistant

• Quantity: 1 pair of jump leads

Applications

• Jump starting cars and vans with flat batteries

• Agricultural and light commercial vehicle battery assistance

• Garage, workshop and roadside emergency use

• Fleet maintenance and service vehicle kits

How to Use

• Ensure both vehicles are switched off and in a safe, stable position

• Connect red clamp to the positive (+) terminal of the flat battery

• Connect the other red clamp to the positive (+) terminal of the donor battery

• Connect black clamp to the negative (-) terminal of the donor battery

• Connect the other black clamp to a solid earth point on the vehicle with the flat battery (not directly on the battery terminal)

• Start the donor vehicle, then attempt to start the vehicle with the flat battery

• Remove leads in reverse order once started, avoiding contact between clamps

Amtech J0340 800 Amp Jump Leads – Key FAQs

• What vehicles are these 800A jump leads suitable for?
  They’re suitable for many vehicles requiring up to 800A start-up power, including cars, vans, agricultural vehicles and some commercial applications.

• How long are the Amtech booster cables?
  They are approximately 3.5 metres long, helping provide useful reach between vehicles in typical roadside or workshop situations.

• Are the cables copper?
  Yes, they use PVC coated solid copper cable, designed to provide efficient current transfer and durability for regular use.

• Do the clamps grip well on battery terminals?
  Yes, the spring-loaded connectors are designed for a strong hold and reliable contact, with corrosion resistance for longer service life.

• Can these be used daily in a garage?
  Yes, they’re described as heavy duty and suitable for regular garage and workshop use where dependable jump starting is needed.

• Why should the final black clamp go to an earth point?
  Using a solid engine/chassis earth point helps reduce the risk of sparks near the battery and supports safer jump starting practice.

• Can I use these on completely dead batteries?
  They can help in many cases, but results depend on battery condition. If a battery is damaged or won’t accept charge, it may need testing or replacement.

Amtech Warranty Statement:

We work hard to make sure Amtech tools are reliable as well as affordable. However, if you have a problem with any product, we want to get your job up and running again as quickly as possible. All our hand tools are backed by a three year product replacement warranty and our power tools range are covered for up to two years. So if something develops a fault within the specified warranty period, we'll replace it, subject to proof of purchase.

Amtech Warranty Contact Proof of purchase needed