电池

The term 电池 (diànchí) is the standard Chinese word for 'battery.' In the modern digital age, this is one of the most frequently used nouns because of our reliance on electronic devices. Linguistically, the word is composed of two characters: 电 (diàn), which means 'electricity' or 'electric,' and 池 (chí), which means 'pool,' 'pond,' or 'container.' When combined, they literally translate to an 'electricity pool,' a beautiful metaphor for a device that stores electrical energy for later use. This concept of a 'pool' or 'reservoir' of power helps learners visualize how a battery functions as a storage unit rather than a generator. You will encounter this word in almost every aspect of daily life in China, from the supermarket aisles where you buy AA batteries to the technical specifications of the latest electric vehicle (EV) from companies like BYD or NIO. Understanding 电池 is not just about knowing the object; it is about navigating the modern world where 'power' is the currency of productivity.

Standard Usage

Used for all types of chemical cells that provide power, including alkaline, lithium-ion, and lead-acid batteries.

Beyond simple household items, the word 电池 has expanded its reach into the environmental and industrial sectors. In China, which is currently the world leader in battery production and electric vehicle adoption, the word 电池 is frequently paired with other terms to describe specific technologies. For instance, 锂电池 (lǐ diànchí) refers to lithium batteries, while 蓄电池 (xù diànchí) refers to accumulators or storage batteries often found in cars or solar power systems. When you go to a convenience store like Lawson or 7-Eleven in a Chinese city, you might ask for 5号电池 (wǔ hào diànchí) for AA batteries or 7号电池 (qī hào diànchí) for AAA batteries. This numbering system is unique and essential for learners to master to ensure they purchase the correct size. Furthermore, the cultural emphasis on recycling in urban China means you will often see signs for 废旧电池 (fèijiù diànchí), referring to old or used batteries that must be disposed of in specific hazardous waste bins to protect the environment from heavy metal pollution.

Metaphorical Use

Occasionally used to describe a person's energy levels, though 'energy' (精力) is more common. One might say they need to 'recharge' (充电) their personal 'battery'.

The versatility of 电池 also extends to the realm of high-tech manufacturing. If you are reading news about the Chinese economy, you will notice that 电池 is a keyword in discussions about the 'New Three' (新三样) export drivers: electric vehicles, lithium batteries, and solar cells. This highlights that the word is not just a vocabulary item for a beginner student but a bridge to understanding China's current global economic strategy. From a grammatical perspective, 电池 is a noun that can be modified by various adjectives to describe its state, such as 充满电的电池 (a fully charged battery) or 坏了的电池 (a broken battery). It also takes specific measure words depending on the shape: 节 (jié) for cylindrical ones like AA batteries, and 块 (kuài) for flat, block-like ones like those in cell phones or laptops. Mastering these nuances allows a learner to sound much more natural and precise in their communication.

Technical Context

Refers to the physical unit. For the capacity or charge itself, use 电量 (diànliàng).

In conclusion, 电池 is a vital word that bridges the gap between basic survival Chinese and technical or environmental discourse. Whether you are asking a clerk for a spare battery for your camera or discussing the future of renewable energy storage, this word is your primary tool. Its literal meaning of 'electricity pool' serves as a constant reminder of the logic behind Chinese character construction, making it easier to remember and use correctly in a variety of contexts, from the mundane to the highly professional.

Using 电池 correctly in a sentence requires an understanding of Chinese measure words and common verb pairings. The most basic way to use the word is to identify the object: '这是电池' (This is a battery). However, in practical conversation, you will almost always be talking about the state of the battery or an action involving it. The most common verb associated with 电池 is 换 (huàn), meaning 'to change' or 'to replace.' If your remote control stops working, you would say '我要换电池' (I need to change the batteries). Note that in Chinese, nouns don't change form for plural, so 电池 can mean one battery or multiple batteries depending on the context or the measure word used. If you want to be specific, you would use 节 (jié) for cylindrical batteries: '两节电池' (two batteries).

Common Verb Pairings

换 (huàn - replace), 充电 (chōngdiàn - charge), 安装 (ānzhuāng - install), 回收 (huíshōu - recycle).

Another crucial aspect is describing the power level. While 电池 refers to the physical object, 电 (diàn) or 电量 (diànliàng) refers to the energy inside. You would say '电池没电了' (The battery has no electricity/is dead). If you are talking about a rechargeable battery, you use the verb 充电 (chōngdiàn), which literally means 'to fill with electricity.' For example, '这块电池正在充电' (This battery is currently charging). In more formal or technical sentences, you might discuss the 'lifespan' or 'health' of a battery. The term 电池寿命 (diànchí shòumìng) is used for battery life or longevity. For instance, '频繁快充会缩短电池寿命' (Frequent fast charging will shorten battery life). This level of detail is common in tech reviews and user manuals.

In the context of transportation, 电池 is the heart of the sentence. You might hear people talking about 电池组 (diànchí zǔ), which means a 'battery pack.' In a sentence: '电动车的电池组非常沉重' (The battery pack of the electric car is very heavy). There is also the concept of 电池容量 (diànchí róngliàng) - battery capacity. If you are comparing two phones, you might say '这款手机的电池容量更大' (This phone's battery capacity is larger). Furthermore, in a social context, if you are at a friend's house and your phone is dying, you might ask '你有充电宝吗？我的电池快没电了' (Do you have a power bank? My battery is almost dead). Here, 充电宝 (chōngdiàn bǎo) is a 'charging treasure' or power bank, an essential accessory for any 电池-powered device.

Sentence Structure

[Subject] + [Measure Word] + 电池 + [Verb/Adjective]. Example: 这块电池坏了 (This battery is broken).

Finally, consider the negative forms and questions. To ask if an item includes batteries, you say '含电池吗？' (Does it include batteries?). If you want to say a device doesn't use batteries but rather a plug, you would say '这不是用电池的，是插电的' (This doesn't use batteries; it's plug-in). These variations show that 电池 is a flexible noun that integrates into many different sentence patterns, from simple identification to complex technical descriptions. By practicing these structures, you will gain the confidence to handle any battery-related situation in a Chinese-speaking environment, whether you are shopping, traveling, or working in a technical field.

The word 电池 is ubiquitous in Chinese society, and you will encounter it in several distinct environments. The most immediate place is in retail. In supermarkets like Wumart (物美) or Carrefour, or even small neighborhood 'convenience stores' (便利店), you will hear customers asking for batteries. Because the sizes are called 'Number 5' and 'Number 7', the conversation usually sounds like this: '老板，有五号电池吗？' (Boss, do you have AA batteries?). This is a very common 'street-level' interaction. You will also hear it in electronics markets like those in Huaqiangbei, Shenzhen, where '电池' is shouted by vendors selling everything from replacement iPhone screens to industrial-grade power cells. In these high-energy environments, the word is often part of a rapid-fire list of components.

Daily Life Scenarios

Supermarkets, electronics repair shops, recycling stations, and when using shared power banks (充电宝).

Another place you will frequently hear 电池 is in the media and news broadcasts. China is a global hub for the electric vehicle (EV) industry. News segments on CCTV or financial reports often discuss 电池技术 (battery technology) and 电池产业链 (battery industry chain). You might hear experts talking about 固态电池 (solid-state batteries) or 钠离子电池 (sodium-ion batteries) as the next big thing. In this context, 电池 is treated as a high-tech commodity. Similarly, when you travel on public transport, you might see advertisements for new smartphones boasting about their 电池耐用 (battery durability) or 电池容量 (battery capacity). These ads use '电池' as a selling point to attract consumers who are tired of their phones dying mid-day.

In a domestic setting, 电池 is a common topic of household management. Parents might tell their children: '把玩具的电池拆下来' (Take the batteries out of the toy) before storing it. Or, in the winter, you might hear people complaining that their phone 电池不耐用 (battery doesn't last) because of the cold weather in northern China, which is a well-known phenomenon where lithium batteries lose efficiency in low temperatures. This practical, everyday usage makes the word essential for anyone living in or visiting China. Even at airports, you will hear announcements regarding 锂电池 (lithium batteries) in carry-on luggage vs. checked bags. Security officers will ask: '充电宝和电池要拿出来' (Power banks and batteries need to be taken out). In all these scenarios, 电池 is the keyword that ensures you are following safety rules or solving a practical problem.

Public Announcements

Airports and train stations often have rules about carrying lithium batteries (锂电池).

Finally, you will hear the word in the context of environmental education. Many residential communities in China now have strict trash sorting (垃圾分类) rules. You will hear volunteers or see signs explaining that 电池 are 有害垃圾 (hazardous waste). The phrase '电池有害' (batteries are harmful) is a common slogan to encourage proper disposal. This demonstrates how the word 电池 is integrated into the social responsibility and civic life of modern China. Whether you are a tech enthusiast, a traveler, or a resident, you will find that 电池 is a word that rings through the streets, the shops, and the speakers of China every single day.

One of the most frequent mistakes English speakers make when learning 电池 is using the wrong measure word. In English, we just say 'a battery' or 'two batteries.' In Chinese, you must choose a measure word that fits the shape of the battery. For cylindrical batteries (like AA or AAA), the correct measure word is 节 (jié). Many students mistakenly use 个 (gè), the general measure word. While you will be understood, it sounds uneducated or 'foreign.' For flat, rectangular batteries (like those in cell phones), you should use 块 (kuài). Using 节 for a phone battery would be like saying 'a segment of phone battery,' which sounds very strange to a native speaker. Remembering 节 for 'segments' and 块 for 'pieces' is a key step toward fluency.

Mistake: Wrong Measure Word

Incorrect: 一个电池 (yī gè diànchí). Correct: 一节电池 (yī jié diànchí) for AA, or 一块电池 (yī kuài diànchí) for phone batteries.

Another common error is confusing 电池 (the physical battery) with 充电器 (chōngdiànqì, the charger). Learners often say 'My battery is broken' when they actually mean 'My charger is broken.' If you tell a repairman '我的电池坏了,' he will prepare to open your phone and replace the internal component. If the problem is just the cable, you should say '我的充电器坏了' or '我的充电线坏了.' Similarly, don't confuse 电池 (battery) with 电量 (power level). If you want to say your phone has 50% power left, you say '还有百分之五十的电' (There is 50% electricity left), not '还有百分之五十的电池.' Using 'battery' to refer to the percentage of charge is an anglicism that doesn't translate directly into natural Chinese.

A third mistake relates to the numbering system for battery sizes. As mentioned before, AA is 5号 (wǔ hào) and AAA is 7号 (qī hào). Many learners try to translate 'AA' or 'AAA' directly or use English letters. While some young people in tech-savvy cities might understand, the vast majority of shopkeepers will be confused. If you ask for 'AA电池,' you might get a blank stare. It is much better to memorize the numbers. Also, be careful with the verb 'to charge.' While 充电 (chōngdiàn) is correct for batteries, 充值 (chōngzhí) is used for 'charging' or adding money to a SIM card or a bus card. If you say you want to 充值 your 电池, people will think you are trying to pay your battery money!

Confusion: 充电 vs. 充值

充电 (chōngdiàn) is for electricity/batteries. 充值 (chōngzhí) is for money/prepaid cards.

Lastly, learners sometimes struggle with the placement of 没电 (méi diàn). In English, we say 'The battery is out of power.' In Chinese, the most natural way is '电池没电了.' The '了' at the end is crucial because it indicates a change of state—the battery *was* working, but now it *is* empty. Forgetting the '了' makes the sentence feel incomplete. Also, avoid saying '电池是空的' (The battery is empty). While 'empty' makes sense in English, in Chinese, we use '没电' (no electricity) or '电量低' (low power). By avoiding these common pitfalls—wrong measure words, confusing chargers with batteries, using the wrong numbering system, and incorrect state descriptions—you will communicate much more effectively and sound like a seasoned speaker.

While 电池 is the general term for a battery, there are several more specific words that you should know to refine your vocabulary. The first is 蓄电池 (xùdiànchí). The character 蓄 (xù) means to store or accumulate. A 蓄电池 is specifically a storage battery or an accumulator, like the heavy lead-acid battery found under the hood of a traditional gasoline car. In contrast, 电池 can refer to a simple disposable alkaline battery. If you are talking about the battery in a Tesla or a modern smartphone, you are likely talking about a 锂电池 (lǐdiànchí), which is a lithium battery. Knowing these technical prefixes (蓄- for storage, 锂- for lithium) helps you navigate more professional or technical conversations.

Comparison: 电池 vs. 蓄电池

电池 is the general term. 蓄电池 is specifically for large-scale energy storage or car batteries.

Another important distinction is between 充电电池 (chōngdiàn diànchí) and 干电池 (gāndiànchí). A 充电电池 is a rechargeable battery (literally 'charge-electricity battery'). These are the ones you use in your laptop or camera. A 干电池 is a 'dry cell' battery, which usually refers to the standard disposable ones (like Duracell or Energizer). In many contexts, people will simply ask if a battery is 一次性的 (yīcìxìng de - one-time use) or 可充电的 (kě chōngdiàn de - rechargeable). If you are buying batteries for a toy, the shopkeeper might ask which type you prefer. Being able to distinguish between these helps you save money and avoid damaging devices with the wrong power source.

In high-tech contexts, you might hear the word 电芯 (diànxīn). This refers to the 'battery cell'—the individual units that make up a larger battery pack (电池组). For example, a laptop battery pack contains several lithium cells. If you are a hobbyist building a drone or an e-bike, you would buy 18650 电芯. Furthermore, there is 纽扣电池 (niǔkòu diànchí), which means 'button battery' (literally 'button-fastener battery'). These are the tiny, round batteries used in watches, hearing aids, and small remotes. The descriptive nature of 'button' (纽扣) makes it very easy to remember. Using these specific terms instead of just 电池 will significantly increase your precision in Chinese.

Specific Types

纽扣电池 (Button/Watch battery), 锂电池 (Lithium battery), 太阳能电池 (Solar cell).

Finally, consider the word 能源 (néngyuán), which means 'energy source' or 'energy.' While not a direct synonym for battery, it is the broader category that 电池 falls into. In discussions about green energy, you will hear about 新能源 (xīn néngyuán - new energy), which usually refers to electric power and the batteries that store it. Understanding this hierarchy—from the specific 纽扣电池 up to the general 电池 and finally to the broad 能源—gives you a comprehensive framework for discussing power and technology in Chinese. By choosing the right level of specificity, you show that you understand not just the language, but the technical reality of the objects you are describing.

Level of Specificity

General: 电池 (Battery) -> Specific: 锂电池 (Lithium) -> Component: 电芯 (Cell).