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The cut-off voltage is different from one battery to the other and it is highly dependent on the type of battery and the kind of service in which the battery is used. When testing the capacity of a NiMH or NiCd battery a cut-off voltage of 1.0 V per cell is normally used, whereas 0.9 V is normally used as the cut-off voltage of an alkaline cell ...
A line-interactive UPS maintains the inverter in line and redirects the battery's DC current path from the normal charging mode to supplying current when power is lost. In a standby ("off-line") system the load is powered directly by the input power and the backup power circuitry is only invoked when the utility power fails.
When the battery is fully charged, the laptop continues to run on power supplied by the external power supply, avoiding battery use. If the used power supply is not strong enough to power computing components and charge the battery simultaneously, the battery may charge in a shorter period of time if the laptop is turned off or sleeping.
PowerVault is a line of data storage and backup products formerly from Dell, and currently for Dell EMC. After Dell acquired EqualLogic for its iSCSI products in 2008, and Compellent Technologies in 2011, the PowerVault line was positioned as less expensive than the other product lines.
While performance can be temporarily increased when the computer is not hot (overclocking), [33] in order to protect the hardware from excessive heat, the system will automatically reduce performance or shut down the processor if necessary. [32] Processors also will shut off or enter a low power mode when inactive to reduce heat. [34]
Dell Precision is a series of computer workstations for computer-aided design/architecture/computer graphics professionals, or as small-scale business servers [citation needed]. They are available in both desktop (tower) and mobile (laptop) form.
Other features included a 1920×1200 15.4-inch LCD, and a subwoofer integrated into the bottom of the battery casing, with the 12-cell battery (the 16-cell battery does not include a subwoofer.) Earlier models came with an ATI Mobility Radeon 9700 with 128 MB of memory, and later models with the Mobility Radeon 9800 with 256 MB of memory.
Doomwatch is a British science fiction television programme produced by the BBC, which ran on BBC1 between 1970 and 1972. [2] The series was set in the then present day, and dealt with a scientific government agency led by Doctor Spencer Quist (played by John Paul), responsible for investigating and combating various environmental and technological dangers.