PVC sheathed copper coated aluminium cables give maximum power transfer yet remain flexible. Resistant to oil grease and most acids. Insulated heavy-duty clamps reduce the heating effect of power transfer. Features an LED display unit which shows the battery voltage and includes a reverse polarity indicator and alarm. In-line surge protector helps to prevent electrical spikes occurring. Additional features also include alternator charge check and battery condition check. Supplied in a storage case.600A Booster Cables 25mm² x 3.5m with Electronics Protection• PVC copper coated aluminium cables.• Resistant to oil grease and most acids.• Insulated heavy-duty clamps reduce the heating effect of power transfer.• LED display unit which shows the battery voltage.• Reverse polarity indicator and alarm.• In-line surge protector.• Alternator charge and battery condition check.• Cable Size: 25mm² x 3.5m.• Model No. BC25635SRModel No: BC25635SR:Brand: Sealey:Cable Section: 25mm²:Capacity: 600A:Length: 3.5m:Nett Weight: 2.56kg:PTDSEABC25635SR