Pg.no. 113
30. Battery and its types
Image
Model
AA
4⁄5
⁄ 2 AA
1
AAAA
AAA
Uses
Same diameter as AA battery, used in
small electronics, including electric
shaver.
Sometimes used in pen flashlights, laser
pointers, powered styluses, calculators,
fishing lures, or electronic glucose
meters.
Used in many household electronic
devices
AA Used in many household electronic
devices
A Popular in older laptop batteries and
hobby battery packs.
B Not to be confused with the vacuum tube
B battery.
C
Sub-C
Can be replaced with AA cell using a
plastic sabot (size adaptor), with
proportional loss of capacity.
A common size for cordless tool battery
packs. This size is also used in radio-
controlled scale vehicle battery packs.
D Introduced 1898 as the first flashlight
battery.
F Four F cells are often found within 6 volt
rectangular lantern batteries.
N Mercury batteries of the same dimensions
are no longer manufactured.