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2. Nickel–iron battery - Wikipedia

   en.wikipedia.org/wiki/Nickel–iron_battery

   Thomas Edison in 1910 with a nickel-iron cell from his own production line. The nickel–iron battery (NiFe battery) is a rechargeable battery having nickel(III) oxide-hydroxide positive plates and iron negative plates, with an electrolyte of potassium hydroxide. The active materials are held in nickel-plated steel tubes or perforated pockets.

3. Edison Storage Battery Company - Wikipedia

   en.wikipedia.org/wiki/Edison_Storage_Battery_Company

   Share of the Edison Storage Battery Company, issued 19. October 1903. The Edison Storage Battery Company was organized in New Jersey on May 27, 1901. Edison Storage Battery Division label. The Edison Storage Battery was filed for patent in November 1900 [1] and launched publicly on May 21, 1901. [2]

4. Samsung Gear S3 - Wikipedia

   en.wikipedia.org/wiki/Samsung_Gear_S3

   The Samsung Gear S3 is a Tizen-based circular smartwatch developed by Samsung Electronics. It was released on 18 November 2016. [1] There are two models of the Gear S3, Classic and Frontier. The Classic has a silver watch case and black leather band, while the Frontier has a black watch case and rubber band.

5. Samsung Gear S - Wikipedia

   en.wikipedia.org/wiki/Samsung_Gear_S

   As with the Galaxy Gear 2, the Gear S includes 512 MB RAM and 4 GB internal storage as well as a 300 mAh Li-ion battery. Using a 3G module the watch itself is able to connect to the Internet, [5] make phone calls and send SMSs without needing a phone. It was the first wearable device to include Wi-Fi, Bluetooth and 3G connectivity.

6. Alkaline battery - Wikipedia

   en.wikipedia.org/wiki/Alkaline_battery

   Batteries with alkaline (rather than acid) electrolyte were first developed by Waldemar Jungner in 1899, and, working independently, Thomas Edison in 1901. The modern alkaline dry battery, using the zinc/manganese dioxide chemistry, was invented by the Canadian engineer Lewis Urry in the 1950s in Canada before he started working for Union ...

7. Samsung Gear - Wikipedia

   en.wikipedia.org/wiki/Samsung_Gear

   Samsung Galaxy Gear Samsung Gear Sport. Samsung Gear was a line of wearable computing devices produced by Samsung Electronics. The first device in the series, the Galaxy Gear smartwatch, was announced in 2013. [1] Since then, the line has expanded to include fitness bands and earbuds, as well as more smartwatches.