Talk:Lantern battery

US designations

I have little knowledge of US battery designations. If I have got it wrong, please correct or expand it. Biscuittin (talk) 10:24, 1 May 2009 (UTC)

References

I have used various commercial websites as references because they give useful information about designations, sizes, etc. Is this OK or does Wikipedia regard it as spamming? Biscuittin (talk) 11:09, 1 May 2009 (UTC)

Nobody has complained so far, besides the references authenticate the material. Peter Horn User talk 22:29, 24 April 2010 (UTC)

The first comment predates the rewrite I did in january, no longer applicable (and someone removed the mentioned references before my rewrite anyway) Rpvdk (talk) 13:11, 25 April 2010 (UTC)

Should be split into two articles

This article should be split into two, as it covers two very different battery types: the 6, 7.5 and 12 volt spring or screw top "lantern battery", and the flat European 4.5 volt "leaf contact" household battery.

The 6, 7.5 and 12 volt batteries are clearly related and have mainly professional usage, while the 4.5V battery is a classic household battery. It existed in Europe long before D batteries became common, and had the advantage of being lighter and more compact than three seres coupled 1.5V D batteries, when these eventually arrived, as three D batteries weigh 330g,while a single 4.5V battery weighs only 110g. However, with the arrival of the 1.5V AA battery, the 4.5V battery quickly started to loose ground. Today it is very seldom seen, although it is still being manufactured and sold.

I would suggest that this article is split in two: one for the US style "lantern battery", with the three types, and a separate for the 4.5V battery, which I suggest is named "Battery 3R12", in line with the existing articles about the 3R12 battery in Polish, Russian, Swedish and German. Currently, it's only English and Persian Wiki that have an article covering both types, while

For anyone interested in taking this job on, here are some facts that can be added to those two articles:

The 4.5V battery

The 4.5 volt battery weighs 110g and measures 67x62x22mm (HxWxD). It's basically a kind of battery pack, internally consisting of three 1.5V battery cells, and it was ideal for old style flat flashlights. It was invented by the German inventor Paul Schmidt (1868-1948) in 1901, the same year he started his company, DAIMON Elektrotechnische Fabrik Schmidt & Co. The battery production started shortly thereafter. The company, which manufactured batteries, lightbulbs and flashlights, existed until 1983, when it was taken over by Duracell. Here is a 1920 Diamon pocket light, using a 4.5V battery, and here's the Daimon military pocket light, which used the same kind of battery. Almost every German soldier had one of these during WWII. It had button holed leather straps above and below, so it could be fastened to the uniform buttons and thus freeing up the soldier's hands; and it was equipped with switchable red, green and blue lenses for signalling, and a light shield that could force the beam to shine downwards only: good for walking in the dark without being spotted by the enemies. Quite ingenious!

The lantern battery

• The 6 volt lantern battery weighs 570g and measures 115x67x67mm (HxWxD). It usually consists of four 1.5V battery cells. I haven't been able to find out when it was invented.
• The 7.5 volt battery weighs 2.3kg (2,300g) and measures 97x103x184mm. It is usually called "industrial battery" and consists of ten 1.5v batteries coupled as two parallel strings of five series coupled batteries. It's basically a dry car battery.
• The 12 volt battery is basically a giant version of the 6 and 7.5 volt batteries, weighing in at over 10kg and measuring 135x71x121mm.

Best regards, Thomas Blomberg (talk) 17:58, 14 April 2015 (UTC)

External links modified

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