The Sealey RS103B RoadStart Emergency Jump Starter with Inbuilt MOSFET circuit protection The Sealey RS103B is an Emergency Jump Starter supplied in a composite case with integral battery clamp storage and carry handle. Suitable for starting vehicles with 8 cylinder petrol engines up to 5L and 6 cylinder diesel engines up to 3.5L. The front panel displays the internal battery charge level and includes an integral LED work light. Reverse polarity and short circuit protection with audible warning. Mains charger with automatic power cut-off prevents damage to battery whilst charging. 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 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 Suitable for starting vehicles with 8-cylinder petrol engines up to 5L and 6-cylinder diesel engines up to 3.5L Fitted with two 12V power sockets that will accept any 12V device with a vehicle accessory socket plug Specification: Model No: RS103B Cable & Clamp Length: 0.7m