Here is a Houde model HD40 that can be used to jump start vehicle that have and 12v electrical system or 24v electrical system. It has output ports for mobile devices like smartphone, tablets, laptops and more. These output ports are rated at 5v at 1a, 5v at 2.1a, 12v at 10a, along with the capability to jump start 12v car systems and 24v truck system. The starting current is 600a for a 12v system and   600a for 24v system with a peak current of 12v at 1500a and 24v at 1500a. This little compact rechargeable unit will provide enough power to start any vehicle when it is fully charged. It is equipped with a larger capacity 45000mah lithium-ion battery. The operation temp is from 20℃ to 60℃ or from -4℉ to 140℉. It has a LED display that provides you with information on what current flow is and it is CE certified. In addition, it comes with a 12-month warranty.