Use APKPure App
Get Send SMS Automatically When Battery Low old version APK for Android
Gửi tin nhắn SMS tự động để liên hệ được chọn khi pin trở nên yếu.
This app sends SMS message to single or multiple numbers when the battery goes below a certain level. The SMS message, the phone numbers, and the battery level at which the message will be sent are all customizable.