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2. 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.

3. Automotive battery - Wikipedia

   en.wikipedia.org/wiki/Automotive_battery

   A typical 12 V, 40 Ah lead-acid car battery. An automotive battery, or car battery, is a rechargeable battery that is used to start a motor vehicle. Its main purpose is to provide an electric current to the electric-powered starting motor, which in turn starts the chemically-powered internal combustion engine that actually propels the vehicle.

4. Battery simulator - Wikipedia

   en.wikipedia.org/wiki/Battery_simulator

   A battery simulator may be able to set the simulated battery voltage either remotely via PC or manually. Often battery simulators have built-in voltage and current display and monitoring. For example, the user selects the voltage of the battery to be simulated, using the potentiometer knob for adjusting the voltage, while the current value is ...

5. Multimeter - Wikipedia

   en.wikipedia.org/wiki/Multimeter

   Battery checking for simple 1.5 V and 9 V batteries. This is a current-loaded measurement, which simulates in-use battery loads; normal voltage ranges draw very little current from the battery. Various sensors can be attached to (or included in) multimeters to take measurements such as: Luminance; Sound pressure level; pH; Relative humidity

6. Got new electronics for the holidays? Here's what to do first

   www.aol.com/news/got-electronics-holidays-heres...

   Amazon Trade-In: If you're a big Amazon shopper, it might be worth it to try trading in your old device with their trade-in company. You can swap your device in exchange for an Amazon gift card ...

7. Oil touches $80 per barrel as sweeping sanctions against ...

   www.aol.com/oil-touches-80-per-barrel-162612074.html

   Oil rose to $80 per barrel, the highest level since October, as the US announced new sanctions against Russia.