Powering two Strings of Christmas Tree Lights

Most recent answer: 12/05/2017

Can I power two strings of Christmas lights requiring 4.5 volts with one 9 volt battery?
- Larry (age 77)
St John Indiana USA

Yes but only if you wire them in series.    If you wire them in parallel you will either burn out the lights or quickly dischage the batterey.


(published on 12/05/2017)