![](/images/new-backgrounds/1266142/26614275x1.webp)
Figure 8. Connecting the ac charger with the tablet
3.Plug the ac charger into a standard ac power outlet.
4.Disconnect the ac charger from your tablet when the battery power is full, or leave the ac charger connected to operate from ac power.
Alternatively, you can use any of the following charging methods to safely recharge the internal battery of your tablet:
Charging method | Tablet on | Tablet off or in screen lock mode |
| (Display is on) | (Display is off) |
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ThinkPad Tablet Dock (fastest | Approved | Approved |
charging method) |
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|
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ThinkPad Tablet AC Charger | Approved, but the battery will charge | Approved |
| slowly |
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|
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ThinkPad Tablet DC Charger | Approved, but the battery will charge | Approved |
| slowly |
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|
|
A USB connection between the | Might not charge due to USB 2.0 | Approved |
micro USB connector on the tablet | power limits. |
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and a USB connector of a personal | If the power consumption of the tablet |
|
computer or other device that |
| |
complies with the USB 2.0 standards | exceeds USB 2.0 power limits, the |
|
(slowest charging method) | battery will discharge to compensate |
|
| for the additional power required by |
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| the tablet. |
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Attention: Use only Lenovo approved chargers. Unauthorized chargers could cause severe damage to your tablet.