The Micro-Start XP-1 PPS (Personal Power Supply), by Antigravity Batteries, is the BEST-SELLING mini jump-starter product that started it all.  It is so small that it fits in your pocket and yet it is so powerful that it will start Cars, Trucks, Motorcycles, ATVs, UTVs, Snowmobiles, & Watercraft!  These can charge & power everything including your satellite phones, 19V Laptops, 12V Devices, and USB Devices!