The upper end Rover BR, meanwhile, sports a 1,540 Wh lithium-ion battery, range of 36 miles, battery recharge time of seven hours and a top speed of 33 MPH.What???s interesting to note about the made in the USA, 36V batteries Works Electric uses in terms of their performance is a process they go through called ???phase change material,??? or PCM. It is said to absorb ???waste heat ensuring uniform