A (phone battery) may die.Logical formLearned from56 sentences. (Extreme power management) may extend (battery life).Logical formLearned from56 sentences. A battery may go flat.Logical formLearned from56 sentences. A terminal may pertain-to a battery.Logical formLearned from56 sentences. A section may pertain-to a battery.Logical formLearned from55 sentences. A battery may get low.Logical formLearned from55 sentences. A person may charge batteries.Logical formLearned from55 sentences. Battery may be included.Logical formLearned from55 sentences. A (battery life) can be for mobility.Logical formLearned from55 sentences. A battery can be criminal.Logical formLearned from54 sentences. A (lithium ion battery) can be built-in.Logical formLearned from54 sentences. A (battery power) can be enough.Logical formLearned from54 sentences. Batteries can be affected.Logical formLearned from54 sentences. Power may come with some (lithium ion batteries).Logical formLearned from53 sentences. Batteries may work.Logical formLearned from53 sentences.