Sealey RoadStart Emergency Power Pack complete with mains charger and double plug in-car charging The Sealey RS131 is an emergency jump starter, designed to provide power to vehicles in the case of battery shortage. This model is fitted with a 12V power socket that will accept any 12V device fitted with a vehicle accessory socket plug and two 5V/2.1A USB outlets for phones and tablets. Features: LED Battery condition, polarity check and charge indicators Composite case with moulded rubber protection, integral battery cable storage and carry handle Fitted with a 12V power socket that will accept any 12V device fitted with a vehicle accessory socket plug and two 5V/2.1A USB outlets for phones and tablets Features independent on/off switch which allows the positive clamp to be connected without the risk of sparking and an integral LED work light for use at night Specification: Voltage: 12V Weight: 5.9kg Peak Amps: 750A Cold Cranking Amps: 250A Cable & Clamp Length: 780mm Auxiliary Output: 5V/2.1A USB (x2), 12V