Engineering English
Battery Capacity
Energy Engineering · Last updated: July 30, 2026 · How this entry was written
Definition: Battery capacity is the total amount of electric charge a battery can deliver at a specified voltage, typically measured in ampere-hours (Ah). It indicates energy storage capability.
Example in context
“The battery capacity of 100 Ah at 12 V provides 1.2 kWh of usable energy for the off-grid system.”
“12 V'ta 100 Ah batarya kapasitesi, şebekeden bağımsız sistem için 1.2 kWh kullanılabilir enerji sağlar.”
Where engineers use it
Battery capacity is a fundamental specification in system sizing. Engineers calculate required capacity based on load and autonomy duration. It appears in datasheets and design documents.
Synonyms: capacity, Ah rating
Practice: can you use “Battery Capacity” at work?
You are sizing a battery bank for a solar microgrid; calculate the required battery capacity given the daily load and days of autonomy.
Show a model answer
“Ensure the battery capacity meets the daily energy demand of the facility.”
“Battery Capacity” in 21 languages
| English | Battery Capacity |
|---|---|
| Turkish | batarya kapasitesi |
| French | capacité de la batterie |
| German | Batteriekapazität |
| Spanish | capacidad de la batería |
| Chinese | 电池容量 |
| Arabic | سعة البطارية |
| Portuguese | capacidade da bateria |
| Russian | ёмкость аккумулятора |
| Japanese | バッテリー容量 |
| Italian | capacità della batteria |
| Vietnamese | dung lượng pin |
| Hindi | बैटरी क्षमता |
| Thai | ความจุแบตเตอรี่ |
| Indonesian | kapasitas baterai |
| Korean | 배터리 용량 |
| Bengali | ব্যাটারি ক্ষমতা |
| Dutch | batterijcapaciteit |
| Swedish | batterikapacitet |
| Finnish | akun kapasiteetti |
| Ukrainian | ємність акумулятора |
Frequently asked questions
What does Battery Capacity mean in engineering?
Battery capacity is the total amount of electric charge a battery can deliver at a specified voltage, typically measured in ampere-hours (Ah). It indicates energy storage capability. In Energy Engineering, the term carries a usage-frequency rating of 10/10 in the Engineering English library.
How do you pronounce Battery Capacity?
Battery Capacity is pronounced /ˈbætəri kəˈpæsɪti/ (IPA). The Engineering English app plays audio for the term and checks your pronunciation with speech recognition.
How is Battery Capacity used in a sentence?
Example from an engineering context: “The battery capacity of 100 Ah at 12 V provides 1.2 kWh of usable energy for the off-grid system.”
This entry is one of 7,806 terms in the Engineering English iOS app — with quizzes, spaced repetition and pronunciation checking.
Get the app on the App Store