Windows中的电源管理(Power Management)技术提供了平台和处理器效率，可降低功耗并有助于降低能源成本。它还为特定场景提供更好的用户体验和更长的电池寿命。
笔记本电脑电池使用提示
以下是有关如何正确使用笔记本电脑电池的一些提示和常见问题解答：(FAQs)
我需要对电池进行完全放电和充电吗？
在锂基电池中，这实际上是一个神话，它仅适用于较旧的镍基电池。所以对电池完全放电和充电是完全没有用的，甚至是有害的。锂离子电池不会受到“记忆效应”的影响，性能不佳的笔记本电脑电池可能是由于损坏或老化造成的，这意味着需要更换新电池。
锂离子电池的充电周期为 300-600 次，普通用户可以使用 2-4 年。
插入空调时是否应该取出电池？
很多笔记本电脑用户都有这个问题，我们现在就来回答： 答案是：YES 和 NO，视情况而定。
将电池充满电并插入笔记本电脑并无害，因为一旦充电水平达到 100%，电池就会停止接收充电能量，并且该能量会直接绕过笔记本电脑的电源系统。
然而，当笔记本电脑插入电源时，将电池保持在其插座中存在一个缺点，但前提是它目前正遭受由笔记本电脑硬件引起的过热。
–应避免电池完全放电（直到笔记本电脑电源关闭，0%），因为这会给电池带来很大压力，甚至会损坏它。(Full)建议进行局部放电至20~30%的容量水平并频繁充电，而不是先完全放电再完全充电。
有些人会让您认为您需要在为笔记本电脑电池充电之前将其完全放电，您不应该这样做。锂离子笔记本电池的充电周期数有限（周期 = 完全放电然后充满电），因此如果每次充电前都将电池完全放电，那么会大大缩短电池组的使用寿命。
– 要长期存放电池，其充电容量应在 40% 左右，并应存放在新鲜干燥的地方。可以使用冰箱（0ºC-10ºC），但前提是电池必须与任何湿气隔离。必须再说一遍，电池最大的敌人是热量，因此在炎热的夏日将笔记本电脑留在车内是杀死电池的一种简单方法。
阅读：(Read:) 如何在笔记本电脑盖关闭的情况下在睡眠模式下为手机充电(How to charge your Phone in Sleep Mode with the Laptop lid closed)。
笔记本电脑电池优化软件
BatteryCare是一款免费软件，可优化现代笔记本电脑电池的使用和性能。它监控电池的放电周期并有助于提高其自主性并延长其使用寿命。如果信息可用，它会为您提供电池的总容量、电压、CPU温度和制造商等信息。该程序还跟踪电池的放电周期。
除此之外，在使用电池时，可能会暂停一些有助于降低自主性的操作系统功能（仅在Windows Vista或更高版本中）：
- Windows Aero，允许窗口透明等视觉效果的主题，需要显卡加速，这显然有助于缩短电池寿命；
- SuperFetch、ReadyBoost和SearchIndexer是三项Windows 10/8/7/Vista服务，即使在电池模式下，它们也会大量使用硬盘并增加总功耗，从而缩短电池寿命。暂停这些服务对系统的性能或安全性绝对没有负面影响。
These features are resumed by BatteryCare once the laptop is plugged into A/C power.
Battery Optimizer是一款免费软件，它将运行高级诊断和测试，并就如何更好地利用电池提供建议。它还会告诉您电池的健康状况或状态。
如果您想更好地了解您的电池，请使用BatteryInfoView。它是一款适用于笔记本电脑和上网本的免费工具，可显示有关计算机电池的大量信息。
阅读(Read)：您的电池出现永久性故障，需要更换(Your battery has experienced permanent failure and needs to be replaced)。
Windows 11/10/7/8/Vista 会在电池达到临界(critical stage)状态时播放声音。您还可以将其设置为在充满电时发出通知(notification when it is fully charged)。
您可以通过以下方式确认：
打开Control Panel > Sound > Sounds > Highlight / Test严重电池(Critical)警报是否正常工作。
如果您是Windows 11/10用户，您可以启用省电模式。
另请阅读(Also read)：使用 ScreenOff 关闭 Windows 笔记本电脑屏幕(Turn off Windows laptop screen with ScreenOff)。
更多关于您的电池的帖子一定会让您感兴趣：(More posts about your Battery that are sure to interest you:)
- 手机和笔记本电脑电池爆炸 - 原因和预防
- 警告，系统电池电压低
- 最佳笔记本电脑电池测试软件和诊断工具(Best Laptop Battery Test software & Diagnostic tools)
- 解决电池耗尽问题(fix Battery drain issues)的提示。
- Windows中的(Windows)电源效率诊断报告工具，用于检查电池的健康状况
- 提高无线键盘和鼠标电池寿命的技巧(Tips to Improve battery life of Wireless Keyboard and Mouse)
- 笔记本电脑电池指示灯图标显示电池已满但仍为空
- 更改 Windows 中的关键和低电量电池操作(Change Critical & Low-Level Battery Action in Windows)。
Laptop Battery Usage Tips & Optimization Guide for Windows users
The Power Management technologiеs in Windows provide platform and processor efficiencies that reduce power consumрtion and can help lower energy costs. It аlso provides a better user experience with longer battery life for spесific scеnarioѕ.
Laptop Battery Usage Tips
Here are some tips and FAQs on how to use your laptop’s battery properly:
Do I need to fully discharge and charge the battery?
In lithium-based batteries this is, in fact, a myth, it only applies to older Nickel-based batteries. So fully discharging and charging the battery is completely useless and even harmful. Lithium-Ion batteries do not suffer from a “memory effect”, a poor-performing laptop battery may be caused by damage or age which means time for a new one.
Lithium-Ion batteries have anywhere from 300-600 charge cycles, which are 2-4 years of use for the average user.
Should I remove the battery when A/C is plugged in?
Many laptop users have this question, and we will answer it right now: The answer is: YES and NO, it depends on the situation.
Having a battery fully charged and the laptop plugged in is not harmful, because as soon as the charge level reaches 100%, the battery stops receiving charging energy and this energy is bypassed directly to the power supply system of the laptop.
However, there’s a disadvantage in keeping the battery in its socket when the laptop is plugged in, but only if it’s currently suffering from excessive heating caused by the laptop hardware.
– Full battery discharges (until laptop power shutdown, 0%) should be avoided because this stresses the battery a lot and can even damage it. It’s recommended to perform partial discharges to capacity levels of 20~30% and frequent charges, instead of performing a full discharging followed by a full charging.
Some would have you believe you need to fully discharge a laptop battery before you recharge it, which you should NOT do. Lithium-Ion laptop batteries have a limited amount of charge cycles (cycle = fully discharged and then fully charged), so if you fully discharge your battery every time before charging, then you greatly shorten the life of the pack.
– To store a battery for long periods of time, its charge capacity should be around 40%, and it should be stored in a fresh and dry location. A fridge can be used (0ºC-10ºC), but only if the battery stays isolated from any humidity. One must say again that the battery’s worst enemy is the heat, so leaving the laptop in the car on a hot summer day is an easy way to kill the battery.
Read: How to charge your Phone in Sleep Mode with the Laptop lid closed.
Laptop battery optimizer software
BatteryCare is a freeware that optimizes the usage and performance of the modern laptop’s battery. It monitors the battery’s discharge cycles and helps increasing it’s autonomy and improving its lifetime. It provides you with information like the battery’s total capacity, voltage, CPU temperature, and manufacturer if the information is available. The program also tracks your battery’s discharge cycle.
Besides this, when using the battery, there’s the possibility to suspend some Operating System features that help to degrade the autonomy (only in Windows Vista or higher):
- Windows Aero, the theme that allows for visual effects like window transparency, requires graphics card acceleration, which obviously will help to decrease the battery lifetime;
- SuperFetch, ReadyBoost and SearchIndexer are three Windows 10/8/7/Vista services that, even in battery mode, are using the hard disk a lot and increase total power consumption, thus decreasing battery lifetime. Suspending these services has absolutely no negative impact on the performance or security of the system.
These features are resumed by BatteryCare once the laptop is plugged into A/C power.
Battery Optimizer is a freeware that will run advanced diagnostics and testing and offer recommendations on how you could make better use of your battery. It will also tell you the health or state of your battery.
If you want to get to know your battery better, use BatteryInfoView. It is a free tool for laptops and netbooks that display a lot of information about your computer’s battery.
Read: Your battery has experienced permanent failure and needs to be replaced.
Windows 11/10/7/8/Vista does play a sound when the battery reaches a critical stage. You can also set it to raise a notification when it is fully charged.
You can confirm it as follows:
Open Control Panel > Sound > Sounds > Highlight / Test that the Critical battery alarm is working OK.
If you are a Windows 11/10 user, you can enable the Battery Saver Mode.
Also read: Turn off Windows laptop screen with ScreenOff.
More posts about your Battery that are sure to interest you:
- Cellphone & Laptop Battery Explosion – Reasons and Prevention
- Alert, System battery voltage is low
- Best Laptop Battery Test software & Diagnostic tools
- Tips to fix Battery drain issues.
- Power Efficiency Diagnostic Report Tool in Windows to check the health of your battery
- Tips to Improve battery life of Wireless Keyboard and Mouse
- Laptop Battery indicator icon showing battery as empty in spite of being full
- Change Critical & Low-Level Battery Action in Windows.
