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2. Test light - Wikipedia

   en.wikipedia.org/wiki/Test_light

   A voltage tester with three lamps to give an approximate indication of voltage magnitude. The test light is an electric lamp connected with one or two insulated wire leads. [1] Often, it takes the form of a screwdriver with the lamp connected between the tip of the screwdriver and a single lead that projects out the back of the screwdriver. By ...

3. AAAA battery - Wikipedia

   en.wikipedia.org/wiki/AAAA_battery

   The opening of a 9-volt battery to reveal six LR61 cells, which are similar to AAAA cells. This battery size is most often used in small devices such as laser pointers, LED penlights, powered computer styluses, glucose meters, and small headphone amplifiers, with Microsoft's Surface Pen the most prominent product taking AAAA batteries.

4. Battery tester - Wikipedia

   en.wikipedia.org/wiki/Battery_tester

   Battery tester. A battery tester is an electronic device intended for testing the state of an electric battery, going from a simple device for testing the charge actually present in the cells and/or its voltage output, to a more comprehensive testing of the battery's condition, namely its capacity for accumulating charge and any possible flaws affecting the battery's performance and security.

5. Continuity tester - Wikipedia

   en.wikipedia.org/wiki/Continuity_tester

   Entry-level cable testers are essentially continuity testers. A continuity tester is an item of electrical test equipment used to determine if an electrical path can be established between two points; [1] that is if an electrical circuit can be made. The circuit under test is completely de-energized prior to connecting the apparatus. [1]

6. The 15 best sales this weekend: Toys, bedding, laptops and more

   www.aol.com/lifestyle/the-15-best-sales-this...

   The Ninja Creami tends to sell out when it goes on sale. It's no longer on sale on Amazon, but at Walmart, it's still on sale — and only $149. You can whip up pints of ice cream with just a few ...

7. Amazon's rechargeable batteries 'last just as long as ... - AOL

   www.aol.com/lifestyle/recharge-amazon-basic...

   Amazon offers five quantities: four, eight, 12, 16 and 24 batteries per pack. The larger the pack, the less the per-battery cost. The 16-pack is a sweet spot that's affordable and gives you plenty ...