Li-po batteries don't just up and exlpode for no reason. Yes, they can burst and catch fire. But they don't do so from just normal use. The biggest cause of a Li-po fire is usually abuse while charging it, by which I mean overcharging. This can cause the battery to burst and catch fire. Another cause, but easily avoided with good packing is if the battery is pierced in a crash. This can also cause the battery to catch fire.

But they don't just explode in normal use. Unfortunately this is becoming a myth spreading around from people that don't understand the proper way to use Li-po batteries. Used correctly they are just as safe as any other batteries.

Ken