Sealey BC16403SR Booster Cables 16mm x 3mtr CCA 400Amp with Electronics Protection

PVC sheathed copper coated aluminium cables give maximum power transfer yet remains 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 carry case.