1. a device that stores chemical energy and converts it to electrical energy
2. a group of similar things used together
3. the crime of physically attacking someone
Usage: legal

Examples

• My phone battery died during the meeting.
• The car won’t start because the battery is dead.
• The scientist ran a battery of tests on the new drug.
• He was charged with assault and battery.
• The artillery battery fired at the enemy position.
• She replaced the batteries in her flashlight.
• The laptop battery lasts about six hours.