Only two of the three lights on the drill gun's lithium battery are lit, indicating the battery is aging.
The charging light is slightly bright (starting to age), the charging light is slightly bright (aging), the charging light is very bright, or the charging light is bright ( replace the battery). ).
Additional question: Please don't mention charging time and using time. You don't have this time when you buy lithium batteries. When the lithium battery is placed on the charger and has not been charged, if two lights are on (in addition to the polarity confirmation light, another light is on), it means that it has aged.
When my laptop is plugged in and turned on, the message says (0% available power connected, no charging?
Lenovo Y450 plugged in after). foodis on, moving the mouse over the power indicates that the power is on. The reason it is not charging is because the best battery care mode is set.
The solution is to directly change the power mode. The details are as follows:
1. In the tray icon area on the right side of the taskbar, look for "Power Management." “Software” and double-click the left mouse button; as shown in the figure:
2. In the main power management interface that appears, select the power mode according to actual needs. From left to right, they are Energy Star mode, high performance mode, balanced mode, super power saving mode. For example, the ** icon selected in this example means "high performance mode" as shown in the figure:
There are many reasons. You can tryUse the following methods to solve it
When you press the power switch when the computer is off and not connected to the charger, the charging light will flash three times. Simply plug in the charger while flashing.
This may be a driver issue. It is recommended to reinstall the driver or reinstall the computer system.
Shut down and then load. If it still doesn't charge after a few hours, there may be other problems
If the battery is broken, you can find a model of the same model to replace the battery and test it. If the battery is determined to be defective, you can purchase a battery of the same model from Taobao to replace it.
:How to maintain and use laptop batteries:
When playing games or watching videos, try removing the battery and use the AC adapter to power directlyThe laptop.
Do not wait until the battery is used below 5% before charging, and do not charge it frequently (the power management program may set the charging threshold. The range reference is 15% at 95). %.
If it is not used for a long time or has been powered by an adapter, please charge the battery to 30%, remove it and store it.
Recharge to 100% every three months.
Ideally, you should try to keep your battery charge between 20% and 80%. Remember, these are the best ways to unplug your machine until the battery reaches 100%. Don't wait until the battery is flat to recharge it either.
Try to keep your laptop cool. Turning off the computer and charging it is the best way to charge it. When you open your laptop, you need to remove the battery from your computer and unplug it.plug it back in.
Although this method is not practical, using it plugged in when the battery is fully charged will cause serious damage to your battery.
Baidu Encyclopedia for Laptop