clk from Boulder, CO asks:
Would this work with my old Petzl headlamp which uses a 4.5v battery? It came with two 4.5v bulbs that don't appear to be halogen & has a lamp >2 inches across.

Your Answer
Please do not include: HTML, personal information, profane language, inflammatory comments or copyrighted information.
Add images to your answer

Image 1
Image 2
Image 3
* File must be in JPG format with a maximum file size of 2MB
E.g. "John" (may appear publicly if your question is published to our website)
Your email address is not shared.
E.g. "Chicago, Illinois"