I'm amazed how long my battery lasts - the internal set of 8 C cells is supposed to last 20 hrs (Meade).
I decided that was a very expensive way to go and immediately went for a 7ah gel cell - which I've never managed to discharge yet - I drag it out for a recharge every month or so whether I use it much or not - but at 7 ah it's probably 10 times as powerful as the 8 C cells.
so maybe 200 hrs.
So it's not a case of;- she sells C cells on the sea shore.
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