Wooooffffff! This is the answer for launchers! I drive very little, but when I need to, the battery drains due to cold, frosty weather. I've tried Noco Li-Ion jumpers but they die in the cold too! With this ultracapacitor my large SUV Toyota Sequoia 5.7L starts without any problems! Boom! I'm amazed! And the best? It can stay in a cold car waiting to be used, it won't be exhausted by the cold! This device is sick! An irreplaceable thing! Requires a battery down to 9 volts - not enough to start the engine, more than enough juice to fill the capacitors! The unit then resets REAL 800CCAs (Cold Crank Boosters) which will start the engine in no time! I have no words!
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