These things are amazing.<I didn't know you stuttered>
Just carry one of these; This Will Jumpstart Your 5L Gas or 3L Diesel Engine up to 20 times on a Single Charge with 600 Amps of Peak Current and Heavy Duty Clamps and Cables
http://www.amazon.com/Anker-PowerCo...69&sr=1-8&keywords=battery+booster+jump+start
Or one of these; Super Capacity of 26000 mAh Battery, Start Petrol Cars 6.0L or Below, Start Diesel Cars 3.0L or Below
Amazon.com: Car Rover 26000 mAh 12V Multi-function Car Jump Starter Booster Auto Start Emergency Battery Pack Power Bank: Automotive
What is even more amazing is that they are affordable.