Background and Identification
The CHVs are similar in appearance, but can be distinguished by small details. The CHV1410 has a white and blue color scheme, and labeled as sustaining 14.4 volts.
For additional help, check out the Black and Decker CHV 1410 Dustbuster Troubleshooting Page.
Here are some links to the vacuum to get background information, helpful information, and to ensure that you have the same vacuum.