using 18650 thru a dc to ac inverter to power guitar amp?

[mrfeelgooddrag26]

so im in a band and when i throw my guitar rig in my car and take it to my buddys house to practice i have to run a cord all the way into the kitchen to plug in. i was wondering if i could use 18650 to power my amp and effects pedal.? id like to take some 18650 cell holders and parrell them until i have 12 volt at 6 ah that way i could run my 12 volt dc to 120 volt ac inveter does this sound like it would work if so what kind ofrun time might i get???

 

[friendly1uk]

If you have a pure sinewave invertor your probably going to be alright. A typical invertor will produce a rough signal though, which will likely be heard through your speakers.

 

[dnmun]

why not look inside the guitar amp and see what the DC voltages needed are and see if you can do that with a battery pack built to that voltage. or it may work on a lower DC voltage than the rectified AC produces.

 

[friendly1uk]

A car amp might be dirt cheap and adequate. It might be easier to hook the speaker to that than make a possible 30-0-30 supply from batteries. That is 60vdc, a shock voltage best avoided.