Lantern battery
Encyclopedia
A lantern battery is a rectangular, alkaline
Alkaline battery
Alkaline batteries are a type of primary batteries dependent upon the reaction between zinc and manganese dioxide . A rechargeable alkaline battery allows reuse of specially designed cells....

 or zinc-carbon
Zinc-carbon battery
A zinc–carbon dry cell or battery is packaged in a zinc can that serves as both a container and negative terminal. It was developed from the wet Leclanché cell . The positive terminal is a carbon rod surrounded by a mixture of manganese dioxide and carbon powder. The electrolyte used is a paste of...

 primary battery used primarily in flashlight
Flashlight
A flashlight is a hand-held electric-powered light source. Usually the light source is a small incandescent lightbulb or light-emitting diode...

s or lantern
Lantern
A lantern is a portable lighting device or mounted light fixture used to illuminate broad areas. Lanterns may also be used for signaling, as 'torches', or as general light sources outdoors . Low light level varieties are used for decoration. The term "lantern" is also used more generically to...

s. Lantern batteries are physically larger and consequently offer higher capacity than the more common torch batteries. Lantern batteries consist of multiple cells wired in series inside a housing.

The most common variant in the US is the 6 volt
Volt
The volt is the SI derived unit for electric potential, electric potential difference, and electromotive force. The volt is named in honor of the Italian physicist Alessandro Volta , who invented the voltaic pile, possibly the first chemical battery.- Definition :A single volt is defined as the...

 square base battery with spring terminals. In Europe the most common is the 4.5 volt flat-pack type.

6 Volt

The 6 volt variety typically has spring terminals or screw terminals. Different types have different internal construction; the same package size may be made up with "D
D battery
A D battery is a size of dry cell. A D cell is cylindrical with electrical contacts at each end; the positive end having a nub or bump...

" size or "F" size cells, giving different capacity.
A double size version (same size as two normal versions next to each other) exists for applications requiring more capacity.

In the UK and Australia, it is used in the construction industry for powering flashing lights at roadworks
Barrier board
Barrier boards are typically long plastic or wooden beams used during road works and similar activities to cordon off areas, close roads or direct traffic....

.
In Switzerland as of 2008, 6-volt lantern batteries accounted for 0.4% of primary battery sales.

4.5 Volt

More common in Europe and Russia, this is a smaller, flat-pack battery mostly used in flashlights. It uses two metal strips as terminals. The shorter strip is the + terminal.

This size of battery is sometimes found in disposable flashlights in the United States.

In Switzerland as of 2008, 4.5-volt lantern batteries accounted for 1% of primary battery sales.

7.5 Volt

The 7.5 volt version has screw terminals and rectangular base. A carrying handle is usually connected between the terminals.

12 Volt

The 12 volt version has screw terminals, and has a rectangular base. Since it is 12 volt, this type can be used to power car accessories
Cigar lighter receptacle
The cigarette lighter receptacle in an automobile, initially designed to power an electrically heated lighter, became a de-facto standard DC connector to supply electrical power for portable accessories used in or near an automobile...

 outside of an automobile, using extra wiring or an adapter.

Specifications and designations

Name IEC
International Electrotechnical Commission
The International Electrotechnical Commission is a non-profit, non-governmental international standards organization that prepares and publishes International Standards for all electrical, electronic and related technologies – collectively known as "electrotechnology"...

 number
ANSI
Ansi
Ansi is a village in Kaarma Parish, Saare County, on the island of Saaremaa, Estonia....

/NEDA
Neda
Neda may refer to:Events* The death of Neda Agha-Soltan during the 2009 Iranian election protests** NedaNet, a project to protect the privacy of the protestors, named in her honor.People* Neda Arneric, Serbian actress...

Manufacturer designations Capacity (Ah
Ampere-hour
An ampere-hour or amp-hour is a unit of electric charge, with sub-units milliampere-hour and milliampere second...

)
Dimensions (mm)
4.5 Volt 3R12, 3LR12 3R12, 3LR12, 4.5v G3LR12, 1289/AD28, 210, GP312S, MN1203, 3336 3 – 4.8 67 × 62 × 22
6 Volt, Spring fitting 4R25X, 4LR25X 908AC, 908C, 908CD, 908D EN1209, EN529, MN908, EV90, EV90HP, GP908, PJ996 12 – 26 115 × 68.2 × 68.2
6 volt, Screw fitting 4R25Y, 4LR25Y 915A EN528 26 109.5 × 66.7 × 66.7
6 Volt, double 4R25-2, 4LR25-2 918A EN521, MN918, GP918S, GP918G, 918/1231 52 125.4 × 132.5 × 73
7.5 Volt 5LR25-2 903AC EN715, PC903 43 97 × 184.2 × 103.2
12 Volt 8R25 926 EN732, PC926 7.5 125.4 × 136.5 × 73
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