GRAND RAPIDS, Mich. (BRAIN) TerraTrike's new Charge model features the brand's "lively and maneuverable tadpole layout" at an entry-level price of $3,249.The Charge is powered by a motor from the Danish e-bike motor brand, Promovec. The rear hub motor delivers 43 Nm of torque and runs on a 374 Wh battery mated to a large-display controller. Terra Trike says the Promovec