The Jump Start Device GB30 is an ideal helper in a very good quality and very robust. My car is in the garage without a mains connection! The car is a "youngster" 24 years old. I use the car 2 - 3 times a month and this is very stressful for a car battery. After prolonged exposure (3 weeks) at an outside temperature of -3 ° C and with a 4-year-old battery an independent start was no longer possible. Also every time the daughter or a neighbor to ask is annoying! The GB30 I'm back "independent". The unit works perfectly and reliably. When starting the car pulls 210 amps and can use a full charge 2 times a month. Then I invite the device about 4.5 hours and is again 100% charged. A German manual is attached and 1 jumper cable adapter (30cm long) and 1 USB cable adapter with cigarette plug did not fit in my car - adapter is too short! A USB phone adapter (for Samsung Galaxy3)) exists. Disadvantage: If the device does not have USB power plug is !!!
