Atto uses a powerful, yet compact advanced-technology lightweight 48 Volts lithium-ion battery. Weighing only 2 kg (4.4 lbs), the battery allows for more than 16 km (10 miles) of continuous driving while requiring only 4 hours (on average) to fully charge. As for charging options, you can charge Atto on-board and off-board, meaning that you can, but do not have to, take the battery off the vehicle in order to charge it. Removing the battery is as easy as pressing a button. Reinstalling the battery is as easy as putting it back in place.