sentences:  A battery swapping (or switching) station is a place at which a vehicle's discharged battery or battery pack can be immediately swapped for a fully charged one, eliminating the delay involved in waiting for the vehicle's battery to charge.Battery swapping is common in warehouses using electric forklift trucks.The concept of an exchangeable battery service was first proposed as early as 1896, in order to overcome the limited operating range of electric cars and trucks.