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Qi (/ tʃ iː / CHEE) is an open standard for inductive charging developed by the Wireless Power Consortium.It allows compatible devices, such as smartphones, to receive power when placed on a Qi charger, which can be effective over distances up to 4 cm (1.6 in). [1]
Disposable equivalent of the Nikon EN-EL5 Li-ion rechargeable camera battery. [141] 7R31: Kodak K 7R31 538 4 (mercury) 4.5 (alkaline) Cartridge Negative along the side of the body; positive on the front, nose of the battery Approx: H: 11 mm L: 40 mm W: 16 mm Typically a cartridge of three mercury button cells for use in 110 format cameras.
Quick Charge is a proprietary technology that can charge battery-powered devices, primarily mobile phones, at power levels exceeding the 7.5 watts (5 volts at 1.5 amps) supported by the USB BC 1.2 standard, using existing USB cables.
The watt, kilogram, joule, and the second are part of the International System of Units (SI). The hour is not, though it is accepted for use with the SI.Since a watt equals one joule per second and because one hour equals 3600 seconds, one watt-hour per kilogram can be expressed in SI units as 3600 joules per kilogram.
The Vivo V19 is an Android-based smartphone manufactured by Vivo Communication Technology Co.The phone was announced and released in April 2020. The phone is highlighted by a quad-camera setup, including a 48 MP main sensor, a 6.44 in (164 mm) Super AMOLED, 1080p display, up to 256 GB UFS 2.1 storage, 8 GB RAM, and a 4500 mAh battery capable of 33 W Vivo Fast Charge 2.0.
When a device detects it is plugged into a charger with a compatible faster-charging standard, the device pulls more current or the device tells the charger to increase the voltage or both to increase power (the details vary between standards). [104] Such standards include: [104] [105] Anker PowerIQ; Google fast charging; Huawei SuperCharge ...
Such include mobile phone chargers, cooling fans, portable fridges, electric air pumps, and power inverters. [1] In most vehicles, at least one car outlet is present. Some vehicles may have more power outlets: usually one for the front passengers, one for the rear passengers and one for the luggage trunk.
A charge cycle is the process of charging a rechargeable battery and discharging it as required into a load.The term is typically used to specify a battery's expected life, as the number of charge cycles affects life more than the mere passage of time.