Cheapest Electric Car Battery Replacement Cost . Replacing the ford focus battery costs $14,000, exceeding the car’s book value! That would put the cost of a new tesla model s battery alone at close to £8,870, before you factor in what it would theoretically cost to remove and replace the old one. industrial valves manufacturers industrial valves market industrial from www.itcengco.com The model has advanced significantly since the original version and now offers up to 245 miles of range. In 2021, a driver in finland revealed he was quoted approximately $21,000 to replace the battery in his tesla model s. However, according to energy research firm bloombergnef, it’s possible the price may drop to $101/kwh in 2023, car and driver reports.