C1nountechnology
US/ˈbæt.ər.i/
UK/ˈbæt.ər.i/
a device that stores and supplies electricity; also a large group of similar things, like tests
In context
My phone battery dies before lunch, so I always carry a charger.
Electric scooters need a new battery after a few years of daily use.
Patients have to go through a battery of tests before the operation.
Words that go with battery
noun + noun
- battery lifeThis laptop has a battery life of twelve hours.
- battery chargerI left my battery charger at the hotel.
verb + noun
- charge the batteryDon't forget to charge the battery before the trip.
adjective + noun
- flat batteryWe couldn't start the car because of a flat battery.
- dead batteryMy camera had a dead battery, so I used my phone.
- rechargeable batteryRechargeable batteries create less waste.
noun + preposition
- battery of testsNew pilots must pass a battery of tests.
Common mistakes
Incorrect:
My phone is out of pin.Correct: My phone battery is dead.