ắc-quy
Definition
- Noun:
- Accumulator / Storage Battery: A device that stores electrical energy in chemical form and can release it as direct current (DC) electricity. It is a type of rechargeable battery, typically consisting of multiple cells.
- Battery (Car Battery): In common usage, it most frequently refers to the lead-acid battery used to start a vehicle's engine and power its electrical systems.
Usage Examples
- Noun:
- Xe ô tô không nổ máy được, có lẽ do ắc-quy hỏng. (The car won't start, perhaps because the battery is dead.)
- Ắc-quy của hệ thống năng lượng mặt trời cần được thay thế. (The storage battery for the solar power system needs to be replaced.)
- Hãy kiểm tra điện áp của ắc-quy. (Please check the voltage of the accumulator.)
Advanced Usage
- Technical Context: In technical and industrial contexts, "ắc-quy" specifies a secondary (rechargeable) cell or a bank of such cells, as opposed to a primary (disposable) battery ("pin").
- Phòng thí nghiệm sử dụng một bộ ắc-quy lớn để dự phòng. (The laboratory uses a large accumulator bank for backup power.)
Variants and Related Words
Bình ắc-quy (n): Battery unit/battery pack. This is a common compound form.
- Anh ấy vừa mua một bình ắc-quy mới cho xe máy. (He just bought a new battery unit for his motorbike.)
Sạc ắc-quy (v): To charge a battery.
- Nhớ sạc ắc-quy đầy trước khi sử dụng. (Remember to charge the battery fully before use.)
Synonyms
- Rechargeable battery: A battery that can be recharged and used multiple times.
- Storage cell: A single unit that stores chemical energy for conversion to electricity.
- Car battery: Specifically for the automotive starting battery.
Related Terms
- Pin (n): This is the general Vietnamese term for a (typically non-rechargeable) battery, like those used in remote controls or flashlights. It is a distinct, non-rechargeable counterpart to "ắc-quy".
- Nạp điện (v): To charge or recharge. A more general verb for charging, often used with "ắc-quy".