Starting a real car with a 4s Lipo
As I am storing my summer cars for the winter, I was wondering... With the supposed high "C" ratings of Lipos nowadays, has anyone tried starting their real car with a 4S Lipo battery?
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Originally Posted by M3Armand
(Post 8406098)
As I am storing my summer cars for the winter, I was wondering... With the supposed high "C" ratings of Lipos nowadays, has anyone tried starting their real car with a 4S Lipo battery?
A 4S lipo has 5 amps. It may last a couple of seconds but won't turn over the engine too much. |
we have used them to boost batteries on cars that wont start.
Works like a charm |
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Originally Posted by academygaz
(Post 8406402)
But this is darn good news since "in a bind", all we really need is a "jump" on an almost dead battery. We would just have to use two 2S's in series to avoid the alternator overcharging issue... |
Originally Posted by AreCee
(Post 8406121)
Let's see. The typical full size car battery has a cranking amp capaity of 400+.
A 4S lipo has 5 amps. It may last a couple of seconds but won't turn over the engine too much. Most Lead Acid car batteries are rated by their Cranking Amps [close to constant C ratings for LiPo] and CCA, Cold Cranking Amps [Burst C ratings for LiPo]. So yes, a 5000mAh LiPo [as low as a 20c constant rated battery will work on a passenger car, may want more for a larger engine/starter] will jump start a car, seen it happen, and as others in this thread have mentioned, it's better to use a 4s to protect the LiPo than a 3s. :sneaky: |
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