I can try to explain the significance.

I believe he uses Kokam LiPo cells. The have a very high energy density. They 
can operate continuously at 10 C but will cause heating and capacity loss... C 
being the capacity of the cell so a 2Ah cell can put out 20 amps continuous and 
up to 8 C without significant heating (around 50 degrees Celsius). 

The KOK 340 HSC can be operated at 20 C. The effect is that the user can tailor 
a pack to do what is needed without excessive size, weight, capacity and cost.

John has a very small powerful pack but without having a high capacity since 
he's drag racing.

Sent from my iPad

> On Jan 15, 2016, at 8:19 PM, [email protected] wrote:
> 
> Paul replied: 
> 
>> John metric uses lithium polymer batteries like the ones used in quad 
>> copters.
> 
> Can you enlighten the ignorant on the significance of that? It doesn't mean 
> anything hing to me. 
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