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  2. In-cell charge control - Wikipedia

    en.wikipedia.org/wiki/In-Cell_Charge_Control

    The charge control consists of a pressure switch built into the cell, which disconnects the charging current when the internal cell pressure rises above a certain limit; usually 200 pounds per square inch (1.4 MPa) to 300 pounds per square inch (2.1 MPa). This prevents overcharging and damage to the cell.

  3. The best deals to shop during Walmart's weekly sale ... - AOL

    www.aol.com/lifestyle/the-best-deals-to-shop...

    There are tons of bestsellers hiding in the Walmart sale section this weekend, like this cordless vac for just 80% off. The best deals to shop during Walmart's weekly sale: Save on Shark, Ninja ...

  4. Electrostatic fieldmeter - Wikipedia

    en.wikipedia.org/wiki/Electrostatic_Fieldmeter

    An electrostatic fieldmeter, also called a static meter is a tool used in the static control industry. It is used for non-contact measurement of electrostatic charge on an object. It measures the force between the induced charges in a sensor and the charge present on the surface of an object.

  5. Electrometer - Wikipedia

    en.wikipedia.org/wiki/Electrometer

    The alternating current signal produced by the flow of this charge is amplified and used as an analogue for the DC voltage applied to the capacitor. The DC input resistance of the electrometer is determined solely by the leakage resistance of the capacitor, and is typically extremely high, (although its AC input impedance is lower).

  6. 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.

  7. I tried Walmart's $15 AirTag alternative, the Onn Item ... - AOL

    www.aol.com/lifestyle/onn-item-tracker-review...

    It's half the price of Apple's tracker, ... The Onn Item Locator for $15, available exclusively from Walmart. Feature-wise, it's virtually identical to an AirTag (and actually better in one ...

  8. Battery indicator - Wikipedia

    en.wikipedia.org/wiki/Battery_indicator

    An ESR meter known not to have diode protection will give a reading of internal resistance for a rechargeable or non-rechargeable battery of any size down to the smallest button cells which gives an indication of the state of charge. To use it, measurements on fully charged and fully discharged batteries of the same type can be used to ...

  9. Electrostatic voltmeter - Wikipedia

    en.wikipedia.org/wiki/Electrostatic_voltmeter

    In practice, an electrostatic charge monitoring probe is placed close (1 mm to 5 mm) to the surface to be measured, and the probe body is driven to the same potential as the measured unknown by an electronic circuit. This achieves a high-accuracy measurement that is virtually insensitive to variations in probe-to-surface distances.