(Wind noise is only 15 seconds)
Paramotor starting batteries suck! Because lead acid batteries are heavy and corrosive they make poor PPG starting batteries. Industry standard seems to be lithium polymer bag batteries that are usually used in RC cars and things like that. The problem is those bag batteries start puffing up pretty fast and that’s when they become dangerous. They’re also a pain to charge and they have low capacity. 
I’ve come up with a better way, a safer way, and less expensive way, a way with more capacity too .

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