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author | Uwe Freese <thebreaker@rockbox.org> | 2003-04-27 11:09:37 +0000 |
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committer | Uwe Freese <thebreaker@rockbox.org> | 2003-04-27 11:09:37 +0000 |
commit | 9d5eab3d9f5d5f9e0cef38c3837b80df67c195ec (patch) | |
tree | 91da112bfdae554d832d448df185d4df769faf06 | |
parent | dc6f94f04608240d533adc9fc8533df03e5dd1da (diff) | |
download | rockbox-9d5eab3d9f5d5f9e0cef38c3837b80df67c195ec.tar.gz rockbox-9d5eab3d9f5d5f9e0cef38c3837b80df67c195ec.zip |
Why doesn't charging start immediately?
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3622 a1c6a512-1295-4272-9138-f99709370657
-rw-r--r-- | docs/BATTERY-FAQ | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/docs/BATTERY-FAQ b/docs/BATTERY-FAQ index 35829a2dae..2be97c0833 100644 --- a/docs/BATTERY-FAQ +++ b/docs/BATTERY-FAQ | |||
@@ -79,10 +79,13 @@ A6: http://www.greenbatteries.com sells 1800 mAh NiMH cells at $3.25USD each, | |||
79 | Q7: What kind of run-time can I expect on a set of fully-charged batteries | 79 | Q7: What kind of run-time can I expect on a set of fully-charged batteries |
80 | when running Rockbox? | 80 | when running Rockbox? |
81 | A7: For the stock 1500 mAh cells, from 6 hours to 8 hours, depending on | 81 | A7: For the stock 1500 mAh cells, from 6 hours to 8 hours, depending on |
82 | which charger was used (see Q3). It depends a lot on the condition of the | 82 | which charger was used (see Q3) and the bitrate you use (higher bitrate |
83 | means more harddisk runtime). It depends a lot on the condition of the | ||
83 | batteries. With 2000 mAh batteries, you should reach about 10 hours or more. | 84 | batteries. With 2000 mAh batteries, you should reach about 10 hours or more. |
84 | We are looking into implementing more battery-saving techniques in rockbox | 85 | We are looking into implementing more battery-saving techniques in rockbox |
85 | to make it rock longer. | 86 | to make it rock longer. |
87 | If you have a modified AJB with 8 MB, you can reach playing times of up to | ||
88 | 16 hours with 2100 mAh batteries. | ||
86 | 89 | ||
87 | Q8: Can I use different batteries in my Archos? How much playtime would | 90 | Q8: Can I use different batteries in my Archos? How much playtime would |
88 | I gain by using 1800 mAh batteries instead of the 1500 mAh ones? | 91 | I gain by using 1800 mAh batteries instead of the 1500 mAh ones? |
@@ -245,3 +248,14 @@ A16: Nothing's wrong. The battery level is calculated out of the voltage. | |||
245 | battery voltage, it is usual that the battery level is going a little bit | 248 | battery voltage, it is usual that the battery level is going a little bit |
246 | up and down sometimes. This cannot be avoided although we tried to make the | 249 | up and down sometimes. This cannot be avoided although we tried to make the |
247 | battery level display as little confusing as we could. | 250 | battery level display as little confusing as we could. |
251 | |||
252 | Q17: My batteries are at 92%, the charger is connected to my recorder, deep | ||
253 | discharge is off. But charging doesn't start. What's wrong? | ||
254 | A17: Charging starts if the battery level is below 85%. This is because | ||
255 | charging batteries that *are* already more or less full is not good for | ||
256 | the batteries and the end of the charging cycle can't be detected safely. | ||
257 | So it's better to start at a level at least as low as 85%. | ||
258 | If you want to have full batteries in the morning, leave the charger | ||
259 | connected over night. Charging will then start some hours later. The | ||
260 | second possibility: Use the Archos charging algorithm. At least, | ||
261 | your batteries will be full one more time. ;-) \ No newline at end of file | ||