p style="margin: 0px; text-align: justify;">Yes, batteries are included. Most of the scales use standard size AA batteries. Home/bathroom category of digital scales use size AAA batteries. Some of the larger medical multifunction scales use special rechargeable battery packs that do not need to be replaced, on those units the included AC adapter acts as a charger to both power the device and also recharges the internal rechargeable battery pack. Once charged, the internal battery pack can power the scale for several weeks or much longer depending on use.</p