File:9V innards AAAA removal-1.jpg
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Summary
[edit]Description9V innards AAAA removal-1.jpg |
English: Collage of images showing the dissection of a 9V (PP3) battery to reveal the 6 AAAA-like cells inside.
AAAA batteries are sometimes used in small devices like laser pointers and some remote controls. They are quite expensive and it is often cheaper to buy a well known 9V brand and take it apart to get to the cells inside. These cells are in fact LR61 which are about 3 mm shorter than AAAA (LR8D425) cells. However they are the same voltage and can be used in place of proper AAAAs and should function just as well. Although care should be taken with the difference in length and the lack of polarity markings on the cells themselves. The red battery shown in the final image is a AAAA size, to show the minute difference in sizes. |
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Date | |||
Source | Own work | ||
Author | Lead holder | ||
Permission (Reusing this file) |
I, the copyright holder of this work, hereby publish it under the following licenses: This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You may select the license of your choice. |
Annotations InfoField | This image is annotated: View the annotations at Commons |
There are many ways to open these up. The way used here was with a small headed flat screwdriver. First find the joint at one of the ends of the battery and pry the gap wider, then use the edge to open the seem along the battery's length until it is easy to open by hand. There is almost always one way which opens easier than the other, it may take some time. Be careful not to stab yourself.
The cells can be pulled apart by hand, this will leave one cell with a tab on it, this may be useful to allow for a better fit in a battery holder that is too large for the cell.
This is also a good time to mark the polarity of the cells. They're in series so this is not difficult to figure out.
Not the minute difference in size, this is not usually problematic, but some battery holders may need some extra material to help keep a good electrical connection.
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:42, 10 June 2011 | 1,104 × 828 (350 KB) | Lead holder (talk | contribs) | Changed the AAA battery for an AAAA battery for comparison. To show the minute difference between the LR61 and AAAA (aka LR8D425). | |
18:48, 5 June 2011 | 1,104 × 828 (343 KB) | Lead holder (talk | contribs) | Brand removal. | ||
12:31, 30 May 2011 | 1,104 × 828 (351 KB) | Lead holder (talk | contribs) | {{Information |Description ={{en|1=Collage of images showing the dissection of a 9V (PP3) battery to reveal the 6 AAAA type cells inside. AAAA batteries are sometimes used in small devices like laser pointers and some remote controls. They are quite ex |
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Camera manufacturer | Canon |
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Camera model | Canon DIGITAL IXUS 980 IS |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/8 |
ISO speed rating | 80 |
Date and time of data generation | 10:53, 30 May 2011 |
Lens focal length | 7.7 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 18:49, 10 June 2011 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 10:53, 30 May 2011 |
Meaning of each component |
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Image compression mode | 5 |
APEX shutter speed | 5.90625 |
APEX aperture | 6 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash fired, auto mode, red-eye reduction mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 15,123.287671233 |
Focal plane Y resolution | 15,123.287671233 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |