Choosing the Correct Sony BC-VM10 NP-FM30 NP-FM50 NP-FM51 NP-QM91 NP-QM91D DSLR-A500 DSLR-A550 Laptop AC Adapter

If you accidentally broke the  Sony BC-VM10 AC Adapter. How do you safely buy the right Sony replacement adapter ?
There are some points that you need to know. After know about these point, you will avoid buying the wrong adapter.

•  You need know your Sony laptop's model number

The laptop number is the unique number which is located on the bottom or on the side of the Sony laptop computer. You can also check the user manual or search the computers built- in help program for the model number.The laptop's system's properties will have the laptop model number.

• You need to find Sony BC-VM10 adapter wattage requirements

After find your Sony laptop model number,you also need to find out the voltage requirement for the concerned adapter. Sony BC-VM10 Adapters have different voltage outputs and using the wrong Sony laptop adapter can damage one's computer.
Check the user manual for voltage requirements for the Sony laptop. The output voltage is normally listed as s DC voltage. Consumers can also check the product or part numbers for the Sony laptop model.

• Find a compatible Sony BC-VM10 laptop adapter
  You should look for compatibility lists in descriptions of Sony BC-VM10 laptop adapters. Laptop model numbers often look similar, so make sure the model numbers match exactly.