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[[File:Duraloop.jpg|thumb|300px|Comparison of white-top Duracell Precharged and Eneloop AA cells]] | [[File:Duraloop.jpg|thumb|300px|Comparison of white-top Duracell Precharged and Eneloop AA cells]]Panasonic's Eneloops are low self-discharge (LSD) NiMH [[rechargeable]] batteries first introduced in 2005 (made by Sanyo, which Panasonic took over). They have a nominal capacity of 2000 [[Terminology#mAh|mAh]] in the AA size and 800 mAh in AAA size. They seem to perform better than any other LSD cells ([http://www.candlepowerforums.com/vb/showthread.php?t=149804 Eneloop Self-Discharge Study] [http://candlepowerforums.com/vb/showthread.php?t=151183 Eneloop vs. Rayovac Hybrid] [http://www.candlepowerforums.com/vb/showpost.php?p=2955510&postcount=271 Eneloop vs. Imedion]). While most LSD cells retain 75-80% of their charge after a year, Eneloops can retain 85%. They are very consistent in their performance, retain their original capacity better after many cycles, and deal well with high drain applications (like a flashlight on "turbo"). Therefore if you ask on the forums what kind of battery to buy, you will be told to buy Eneloops. That said, the other brands also perform well, just not quite as well as Eneloops. If money is an issue, try other brands of LSD cells, which can sometimes be purchased for as little as $1 each on a good sale. | ||
In | In 2010 second generation Eneloops began showing up promising 1,500 charging cycles vs. 1,000 cycles for the earlier versions <ref>[http://www.eneloop.info/news-archive/news-archive/details-eneloop-news/ad/397.html SANYO announces the release of the upgraded AA- and AAA-size eneloop], Sanyo press release, May 6, 2010</ref>. The packaging clearly indicates that the new batteries can be charged 1,500 times and the batteries themselves feature a crown graphic on the label. The product number ends with "A" (e.g. HR-3UTGA). | ||
In 2011 Sanyo started production of third generation Eneloops promising 1,800 charging cycles. The standard third generation cells have metallic lettering and the product number ends with "B" (e.g. HR-3UTGB). | In November 2011 Sanyo started production of third generation Eneloops promising 1,800 charging cycles. The standard third generation cells have metallic lettering and the product number ends with "B" (e.g. HR-3UTGB). <ref>[https://eneloop101.com/wp-content/uploads/2017/03/Announcement-eneloop-3rd-gen-2011.pdf Third Generation Eneloop product announcement] October 6, 2011.</ref> On April 26, 2013 Panasonic started selling 4th Generation Eneloops, which now feature prominent Panasonic branding in Japan, in regular, light, and pro versions. Overseas they kept the eneloop label with a smaller Panasonic font below the logo. <ref>[https://eneloop101.com/wp-content/uploads/2017/02/Japanese-vs-European.jpg Japanese 4th gen. and European 4th gen.] Available in Japan since 2013, and overseas since 2014 </ref> | ||
In 2015 Panasonic updated the specifications of their standard eneloop batteries to a claimed 70% charge left after 10 years. They did not change the product code. | |||
The term "duraloop" (a [[Terminology#CPF|CPF]] nickname, not an official name) refers to Duracell precharged cells that are made in Japan and are white around the positive button just like Eneloops, and in fact are thought to be Eneloops re-badged as Duracells. Other Duracell precharged cells have a black top and are made in China, and are not called "duraloop." | ==Rebranded Eneloops== | ||
'''Duracell''' The term "duraloop" (a [[Terminology#CPF|CPF]] nickname, not an official name) refers to Duracell precharged cells (currently labeled "StayCharged") that are made in Japan and are white around the positive button just like Eneloops, and in fact are thought to be Eneloops re-badged as Duracells. Other Duracell precharged cells have a black top and are made in China, and are not called "duraloop." Duracell also makes non-LSD NiMH batteries (not marked precharged, usually 2450 or 2650 mAh) which may have a green top. | |||
'''President's Choice''' A Canadian store brand for Real Canadian Superstore. Some packages of batteries are made in Japan and have identical specifications to Eneloops. A charger combo featured a charger that was identical to Sanyo chargers and while the Sanyo name was not on the front of the charger, Sanyo does appear on the back. As of 2012, these batteries seem to have been discontinued. | |||
==Special Edition Eneloops== | |||
'''Eneloop Tones:''' In 2010 Sanyo introduced limited edition Eneloop '''Tones''' which are standard 1,500 cycle Eneloops that come in an 8-pack of different colors<ref>[http://www.eneloop.info/news-archive/news-archive/details-eneloop-news/ad/395.html Eneloop Tones Press Release] April 22, 2010</ref>. Green and blue Tones showed up in some charger combos in the US. In 2010 '''sparkling''' Tones were advertised to be released in November<ref>[https://eneloop101.com/wp-content/uploads/2017/03/2nd-gen-Glitter-tones.pdf Eneloop Glitter product announcement] October 25, 2010</ref> for Eneloop's 5-year anniversary. In October 2011, eneloop tones '''chocolat''' were announced in 8 earthtone or chocolate colors<ref>[https://eneloop101.com/wp-content/uploads/2017/03/3rd-gen-Tones-Chocolat.pdf Eneloop Tones Chocolat product announcement] October 25, 2011</ref>. September 2012 saw the release of two new Tones 8-packs, '''Uomo''' and '''Rouge''', with Uomo having gray and purple colors, and Rouge being shades of pink. In November 2013, a '''tropical''' assortment of Eneloop tones was released in Europe, with Sanyo branding. Also in November 2013, a retro '''glamorous''' edition of Tones was released in Japan featuring gold and silver sparkles ("pixie gold" and "pixie silver"), an animal print ("leppard"), and pink ("pink") with Panasonic branding. In October 2014, '''forest''' tones in green camouflage, silver camouflage, desert khaki, and emergency orange were released, featuring 4th generation eneloops. In 2015 eneloop introduced the '''organic colors''' with 4 unique colors in Europe, while announcing a renewed '''organic tones''' in Japan which use the same colors as their first original tones. In 2016 Panasonic EU introduced new eneloop '''ocean colors''' and in 2017 the '''expedition tones''' which are specially designed for the eneloop expedition 2100. | |||
'''Disney:''' Two Disney special edition third generation Eneloop packages were introduced in January 2012. In October 2012, a third version of the Disney special edition was introduced featuring vintage versions of Disney characters. | |||
==Other Varieties== | ==Other Varieties== | ||
The Eneloop brand has diversified into light blue '''Eneloop Lite''' cells with less capacity (950 mAh for AA cells and 550 mAh for AAA) and supposedly less cost, designed for use in low-drain devices like remotes. Sanyo claims these lighter weight versions of Eneloops can be recharged 2,000 times. | The Eneloop brand has diversified into light blue '''Eneloop Lite''' cells with less capacity (950 mAh for AA cells and 550 mAh for AAA) and supposedly less cost, designed for use in low-drain devices like remotes. Sanyo claims these lighter weight versions of Eneloops can be recharged 2,000 times. Introduced in June 2010<ref>[https://eneloop101.com/wp-content/uploads/2017/03/eneloop-lite-announcement.pdf Eneloop Lite product announcement] March 8, 2010</ref>. | ||
In late 2010, Sanyo introduced black '''Sanyo XX''' cells using Eneloop technology (higher capacity than Eneloops at 2500 mAh for AA, but not as low self-discharge: more like 75% after a year and said to be good for 500 cycles). These were marketed primarily in Europe. In 2011, | In late 2010, Sanyo introduced black '''Sanyo XX''' cells using Eneloop technology (higher capacity than Eneloops at 2500 mAh for AA, but not as low self-discharge: more like 75% after a year and said to be good for 500 cycles). These were marketed primarily in Europe. They also appeared in metallic orange wrappers, labelled '''Harmolattice''', marketed in Southeast Asia, <ref>[http://exposureworks.wordpress.com/2011/01/04/sanyo-eneloop-harmolattice-2500mah-batteries/ Exposure Works], 4 January 2011.</ref> but Harmolattice batteries are not precharged. In 2011, Eneloop XX batteries were renamed '''Eneloop Pro''' in Japan but keep the black wrapper<ref>[https://eneloop101.com/wp-content/uploads/2017/03/Anncouncement-Pro-and-Plus.pdf Eneloop Pro and Plus product announcement] June 9, 2011</ref>. In October 2012, the Eneloop Pro was expanded to AAA size with a capacity of 900mAh, available outside of Japan as Sanyo XX or Eneloop XX. In April 2013, Eneloops will be labelled Panasonic. | ||
The '''Eneloop Plus''' was introduced at the same time as the Eneloop Pro. The Plus has a thermistor that monitors temperature of the battery and will cut off power in case of a dead short or if batteries are inserted incorrectly. | The '''Eneloop Plus''' was introduced at the same time as the Eneloop Pro. The Plus has a thermistor that monitors temperature of the battery and will cut off power in case of a dead short or if batteries are inserted incorrectly. | ||
Many of these Eneloop offshoots are available only in Japan. | Many of these Eneloop offshoots are available only in Japan. | ||
== | ==References== | ||
<references/> | |||
== | ==External links== | ||
[https://eneloop101.com/batteries/complete-lineup/ Eneloop batteries complete line-up year 2005 - today] by ChibiM |