🔋 300Amp Heavy Duty Battery Lead – Positive or Earth Cable

Made to order in the UK using premium 40mm² high-flex plain copper cable for reliable power transfer and excellent flexibility.

Suitable for 12V & 24V electrical systems and ideal for replacing broken, cut or damaged battery leads, positive battery cables, earth leads, upgrading existing wiring or manufacturing custom battery, starter and split charge leads.

Simply select your required cable length, cable colour and terminal combination from the drop-down menus.

Can't see the length or terminal combination you need? Please message us before ordering. We can often manufacture bespoke battery leads to your exact requirements.


⭐ Features

300A Rated • 40mm² Hi-Flex • 12V / 24V • UK Made • Plain Copper • PVC Insulated

Professionally Crimped • Red or Black • Multiple Lengths • Multiple Terminal Combinations • Oil, Fuel & Moisture Resistant • Flexible Construction


📋 Specifications

Current: 300 Amp • Voltage: 12V / 24V • Cable Size: 40mm² • Cable Type: Multi-Strand Flexible Battery/Welding Cable • Conductor: Plain Copper • Insulation: PVC

Colours: Red or Black • Strand Diameter: 0.285mm • Insulation Thickness: 2.30mm • Outer Diameter: Approx. 12.4mm • Temperature: -30°C to +70°C • Ring Terminal Hole: 10mm Internal Diameter

Cable Size: 40mm² • Approx. 1 AWG

Standard: Manufactured in accordance with BS6862 Part 1:1971 (where applicable)


ℹ️ Important Information

🚗 Ideal For: Cars • Vans • 4x4 • Campervans • Caravans • Boats • Marine • Trucks • HGVs • Agricultural Machinery • Plant Equipment

🔧 Applications: Battery Leads • Positive Battery Leads • Earth Leads • Starter Motor Leads • Split Charge Systems • Leisure Batteries • Welding Cable Applications