Your Body has an approximate battery life of 18 months using 4 AAA batteries.
您可打开 Withings App 应用并转到我的设备，检查电池电量。点击电子秤的名称，查看电池电量。
https://support.withings.com/hc/zh-cn/sections/4411046153745-Body
https://support.withings.com/hc/zh-cn/sections/204132387-Maintenance