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2. Battery holder - Wikipedia

   en.wikipedia.org/wiki/Battery_holder

   By the 1920s, battery holders used twin metal clips (like fuse holders) to hold the battery in place while making electrical contact. Patent no. 1439429 was granted in Dec. 1922 for an assembly with two spring arm clips, a small switch, and a lamp assembly on the end of connected wires.

3. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   Some sizes may be interchangeably used in battery holders. For example, the 189/389 cell is 3.1 mm high and was designated 1131, while the 190/390 size is 3.0 mm high and was designated 1130, but a battery holder will accept either size.

4. 18650 battery - Wikipedia

   en.wikipedia.org/wiki/18650_battery

   An 18650 battery [1] or 1865 cell [2] is a cylindrical lithium-ion battery common in electronic devices. The batteries measure 18 mm (0.71 in) in diameter by 65 mm (2.56 in) in length, giving them the name 18650. [3] The battery comes in many nominal voltages depending on the specific chemistry used.

5. Electric battery - Wikipedia

   en.wikipedia.org/wiki/Electric_battery

   An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections [1] for powering electrical devices. When a battery is supplying power, its positive terminal is the cathode and its negative terminal is the anode. [2] The terminal marked negative is the source of electrons.

6. Fulton MX991/U Flashlight - Wikipedia

   en.wikipedia.org/wiki/Fulton_MX991/U_Flashlight

   The multi-mode switch on the military-specification MX-991/U is riveted to the plastic battery housing and is constructed of black-oxide brass. The switch features three settings: Off, Signal, and On. When the switch is set to Signal, the user is able to press and hold a button located just above the switch for momentary operation of the PR6 bulb.

7. American found in Syria says he's a 'pilgrim' who was ... - AOL

   www.aol.com/american-found-syria-tells-nbc...

   Travis Timmerman, an American from Missouri who was imprisoned in Syria, told NBC News he had been on a pilgrimage to Damascus. Video led some to thing he was Austin Tice.