How To Connect 9V Battery
How To Connect 9V Battery . This video will explain how to make a 9v battery connector simply with a drained battery and a couple o. If you mean the sort of 9v battery used in fire alarms then they are best avoided as they have very little capacity anyway. How to connect switch with LED, 9v battery DIY switch light tutorial from www.youtube.com 9v batteries have 0.4 to 1.2 amps. This is what you have to do. To view full directions for.