A (car battery) can be flat.Logical formLearned from7 sentences. A person may charge batteries.Logical formLearned from7 sentences. Improvement can be in (battery life).Logical formLearned from7 sentences. A battery can be built.Logical formLearned from7 sentences. A (budget mini stereo speaker) may be powered by some batteries.Logical formLearned from7 sentences. Cars may be scratch_uped from (battery packs).Logical formLearned from7 sentences. A life may pertain-to a (laptop battery).Logical formLearned from7 sentences. A male may need a battery.Logical formLearned from7 sentences. A motor may be powered by some batteries.Logical formLearned from7 sentences. (Laptop battery) may be designed for (laptop brand).Logical formLearned from7 sentences. A terminal can be on a battery.Logical formLearned from7 sentences. A laptop may run on battery.Logical formLearned from7 sentences. A design may pertain-to a battery.Logical formLearned from7 sentences. A (battery current) can be extended.Logical formLearned from7 sentences. A person may test a (battery life).Logical formLearned from7 sentences.