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. Features & Benefits: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. BC25635SR Specifications: Model No BC25635SR Brand: Sealey Cable Section: 25mm² Capacity: 600A Length: 3.5m