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Subject: Re[2]: battery measurement
From: Uwe Freese (
Date: 2002-09-18

Hello Ed,

Ed Wilson wrote on Wednesday, September 18, 2002, 4:43:27 PM:

EW> maybe someone can explain this to me..

EW> a couple of hours ago the Info Page said that Battery was down to 48%..
EW> since powering it down and back on again about 20 minutes later it was at 81%
EW> its now been playing for at least an hour and is currently on 70%
EW> just powered off and back on - now 52%.. hmm now up to 63% 20 seconds later

EW> I can understand some variance, but this seems a little random. If it was any more predictable an estimated time left given current power consumption would be nice.

The battery status (percentage) is only calculated by the voltage of
the battery. So if it jumps up and down, the voltage of your battery
jumped up and down.

Bye, Uwe.

Page was last modified "Jan 10 2012" The Rockbox Crew