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2. Selenium rectifier - Wikipedia

   en.wikipedia.org/wiki/Selenium_rectifier

   An 8-plate 160 V 450 mA Federal brand selenium rectifier. A selenium rectifier is a type of metal rectifier, invented in 1933. [1] They were used in power supplies for electronic equipment and in high-current battery-charger applications until they were superseded by silicon diode rectifiers in the late 1960s.

3. Battery charger - Wikipedia

   en.wikipedia.org/wiki/Battery_charger

   A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage , amperes, current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.

4. Schumacher Racing Products - Wikipedia

   en.wikipedia.org/wiki/Schumacher_Racing_Products

   Schumacher soon started selling internationally. The company has always operated out of Northampton [3] but sources some components from China like most other RC companies; however, the majority of manufacturing remains in England. Cecil Schumacher's son Robin Schumacher took over the business in 2001.

5. AC adapter - Wikipedia

   en.wikipedia.org/wiki/AC_adapter

   A battery eliminator is an adapter intended to allow a device intended for battery operation, such as a radio, to be operated from an AC outlet. [10] All radios, except crystal sets, used inconvenient and messy vacuum tube batteries until the mid- to late-1920s. Battery eliminators that plugged into light sockets became very popular. [11]

6. Don't get fooled by fake phone updates and notifications

   www.aol.com/news/dont-fooled-fake-phone-updates...

   Updates to apps are essential for maintaining the performance and security of your devices, including bug fixes, new features and security patches.

7. Battery regenerator - Wikipedia

   en.wikipedia.org/wiki/Battery_regenerator

   Conventional battery chargers use a one-, two-, or three-stage process to recharge the battery, with a switched-mode power supply including more stages in order to fill the battery more rapidly and completely. Common to almost all chargers, including non-switched models, is the middle stage, normally known as "absorption".