The Mudcat Café TM
Thread #99258   Message #1977175
Posted By: Bernard
23-Feb-07 - 01:57 PM
Thread Name: Tech: rechargeable batteries for guitars etc ?
Subject: RE: Tech: rechargeable batteries for guitars etc ?
NiMH are the best bet... The argument about rechargeables being the 'wrong voltage' just doesn't stand up... I'll explain...

A 'battery' consists of cells connected in series - typically a '9v battery' will have 6 x 1.5v cells.

What causes the confusion is the 1.2V rating of NiMH cells compared with the 1.5V rating of alkaline cells. In fact alkaline cells only supply 1.5V during the early stages of their discharge and this drops to below 1.2V for most of their life.

NiMH batteries actually sustain a higher voltage than alkalines during the bulk of their discharge.

More can be found here.