"Battery level low" appears when the phone's battery is 10% or less and we stop receiving location information. When a phone enters low battery mode, it can stop apps from collecting location information to conserve battery life.
When people clock in, you will be able to see if their device is entering low battery mode based on the latest battery reading from their phone.
You can prevent a phone from going into low battery mode by following these tips:
Ensure the phone is fully charged before clocking in
Plug in your phone to charge if you are driving, as driving uses more battery power