The Sealey RS1B RoadStart Emergency Jump Starter is suitable for starting vehicles with 4 cylinder petrol or diesel engines up to 2L The Sealey RS1B RoadStart Emergency Jump Starter is suitable for starting vehicles with 4 cylinder petrol or diesel engines up to 2L. The front panel displays the internal battery charge level and includes an integral LED work light. Featuring a mains charger with automatic power cut-off, which prevents damage to battery whilst charging and inbuilt MOSFET circuit protection. Fitted with two 12V power sockets that will accept any 12V device with a vehicle accessory socket plug and one 5V 2.4A USB output. Features:    Single 5V 2.4A USB output Supplied with mains charger Inbuilt MOSFET circuit protection Reverse polarity and short circuit protection with audible warning Composite case with integral battery clamp storage and carry handle Suitable for starting vehicles with 4-cylinder petrol or diesel engines up to 2L Front panel displays internal battery charge level and includes an integral LED work light Mains charger with automatic power cut-off prevents damage to battery whilst charging Fitted with two 12V power sockets that will accept any 12V device with a vehicle accessory socket plug Specification: Model No. RS1B Cable & Clamp Length: 0.6m