Mile for mile there is no smaller more energy dense battery pack in transportation. The heartand most expensive componentof any electric vehicle is its battery. 2018 Alta Motors Redshift Ex Designed For Both Road And Dirt Duty The New Redshift Ex Puts A Water Cooled 14 000 Rpm Electric Power Bike Bike Electric Bike New posts Search forums. . As well as squeezing more performance from the firms water-cooled electric motor through a new 58kWh Li-ion battery. 150K 3000mAh 18650 cells for your DIY Projects Watch on. Alta Redshift model overview. It is durable enough to handle impacts and vibrations. When the battery is completely dead it takes approximately four hours until its fully recharged. Alta-Digital 4 Maps GEAR RATIO. Up to 4 hours riding time on a full battery 42 horsepower motor capable of producing up to 120lb-ft of torque Fast charging option Zero carbon footprint Cons 2-3 hour charging time Batter