Based on a high volume of positive consumer feedback and our personal experience using these products, we assessed each device based on ease of use, durability, and power. Ultra-portable, lightweight and compact, Boost’s lithium-ion technology is built to jump start 12-volt batteries. Very compact and powerful, the Clarke JSM1200 Micro Jump Start is an amazingly small and lightweight portable lithium-polymer power bank with inbuilt torch which easily fits in a pocket, weighing only. star rating indicates what is average or typical for a jump starter, based on our testing experience.

The clamps seem to be of higher quality than many of the other jump starters we tested, clearly made with thicker plastic.Credit subject to status, UK residents only, Toolstation Ltd, acts as a broker and offers finance from a restricted range of finance providers, PayPal Credit is a trading name of PayPal UK Ltd, Whittaker House, Whittaker Avenue, Richmond-Upon-Thames, Surrey, United Kingdom, TW9 1EH.

This combo can allow jump starters to act as a more flexible form of portable power that can be used to charge items like cell phones or hiking accessories.The potential for a spike damaging something on a modern engine control unit by throwing so many amps at the battery would convince me to trickle charge the battery first.