Originally Posted by
lynchy
That is excellent marketing. Sell someone the lightest, therefore smallest capacity and cheapest battery along with a small motor and charge a premium price because it's light. Li-ion or LiFePO4 are limited to a certain energy density. There's no magic, it's just a small battery. 91Wh so likely 24V and less than 4Ah.
So what is wrong if all one wants to use it for 10 miles only? And you can always add extra batteries to increase your range (and weight). It's marketing but 't's not deceptive marketing. And the price is well better than 250 or 350 watt systems.