<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
<div class="moz-cite-prefix">Am 31.03.23 um 22:30 schrieb grenert
via Synth-diy:<br>
</div>
<blockquote type="cite"
cite="mid:CAGkoGzj8mYdZBFx49x_Xw-8dfaRMGeATNaEV2jMMLPjbd4CQng@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="auto">I don't think anyone makes lithium 1.5V C cells.
AAs in C adapters won't last long.</div>
</blockquote>
You don't need 1.5V cells. The batteries connect to the same place
as the external 9V supply voltage. So if you use two 2032 cells in
series you should be on the safe side.<br>
</body>
</html>