Enercell is a

battery Battery most often refers to: * Electric battery, a device that provides electrical power * Battery (crime), a crime involving unlawful physical contact Battery may also refer to: Energy source *Automotive battery, a device to provide power t ...

brand that was sold exclusively by

RadioShack RadioShack, formerly RadioShack Corporation, is an American retailer founded in 1921. At its peak in 1999, RadioShack operated over 8,000 worldwide stores named RadioShack or Tandy Electronics in the United States, Mexico, United Kingdom, Austra ...

at retail stores and online. In a "battery of the month club" promotion introduced in the 1960s and abandoned in the early 1990s, RadioShack customers were issued a free wallet-sized cardboard card which entitled the bearer to one free battery a month when presented in RadioShack stores. The free Enercells were individual AA, C or D cells or 9V rectangular transistor radio batteries. Like the free tube,, testing offered in-store in the early 1970s, this small

loss leader A loss leader (also leader) is a pricing strategy where a product is sold at a price below its market cost to stimulate other sales of more profitable goods or services. With this sales promotion/marketing strategy, a "leader" is any popular arti ...

drew foot traffic. There were two editions of a "Enercell Battery Guidebook", published in 1985 and 1990. The selector guide was later moved online. While the "battery of the month" card program ended in the 1990s, the Enercell name remained in use as RadioShack's store brand of dry cells and transistor radio batteries. RadioShack for several years sold batteries branded "Enercell Plus" that were marketed as "Premium Alkaline" batteries. For a long time, Enercell batteries were manufactured for RadioShack by

Energizer Energizer Holdings, Inc. is an American manufacturer and one of the world's largest manufacturers of batteries, headquartered in St. Louis, Missouri. It produces batteries under the Energizer, Ray-O-Vac, Varta, and Eveready brand names, and for ...

's parent company as were all batteries sold under a RadioShack store brand. There have been instances of button batteries with the Eveready logo printed on the shell of the actual battery that were enclosed in a RadioShack Enercell package. (Energizer's parent company used to be called

Eveready Battery Company Eveready Battery Company, Inc. is an American manufacturer of electric battery brands ''Eveready'' and ''Energizer'', owned by Energizer Holdings. Its headquarters are located in St. Louis, Missouri. The predecessor company began in 1890 in New ...

, and Eveready is one of their brands of batteries.)

References

External links

* {{Official website, http://www.enercellpower.com/(Redirects to the RadioShack website as of 2015) Battery (electricity) Consumer battery manufacturers RadioShack