How to Match Up AC Power Adapters

Using a compatible AC power adapter may be necessary if your device's power adapter was lost or is failing to function. It is important that you know how to determine the correct power adapter since using one that isn't incompatible may result in severe computer damage. Finding hp laptop adapter that fits your device is all about making sure that the power specifications match.

Refer to the user's manual of your device for the AC power adapter specifications. Check the voltage, current and wattage capacity of the device. A matching IBM AC adapter should have a voltage capacity that is within 10 percent of the device's voltage requirements, while the current should be equal to it or higher.

Match the wattage specifications of the power adapter. The wattage should be equal to but not lower than the required wattage for the device.

Plug the AC power adapter into the power port of the device without plugging the other end to a power outlet. AC power adapters come in different shapes and sizes, so make sure that the AC power adapter plug fits the power port of the device.

Connect the Lenovo laptop AC adapter to a working power outlet to see if the device powers up or charges successfully.