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Buy: LG Gram 14-inch $1,699.00 . 2. Dell Latitude 9510 2-in-1 RUNNER UP. The Latitude 9510 has a 15-inch display and an incredible battery capacity on a single charge.
A backup battery provides power to a system when the primary source of power is unavailable. Backup batteries range from small single cells to retain clock time and date in computers, up to large battery room facilities that power uninterruptible power supply systems for large data centers. Small backup batteries may be primary cells ...
State of health. State of health (SoH) is a figure of merit of the condition of a battery (or a cell, or a battery pack), compared to its ideal conditions. The unit of SoH is percent (100% = the battery's conditions match the battery's specifications). For example, when the capacity of a new battery is same as the nominal capacity as per the ...
Uninterruptible power supply. An uninterruptible power supply (UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails. A UPS differs from a traditional auxiliary / emergency power system or standby generator in that it will ...
Thomas Edison in 1910 with a nickel-iron cell from his own production line. The nickel–iron battery (NiFe battery) is a rechargeable battery having nickel (III) oxide-hydroxide positive plates and iron negative plates, with an electrolyte of potassium hydroxide. The active materials are held in nickel-plated steel tubes or perforated pockets.
Lithium-ion polymer battery (LiPo) Lithium–iron–phosphate battery (LFP) Lithium–nickel–manganese–cobalt oxides (NMC) Lithium–nickel–cobalt–aluminium oxides (NCA) Lithium–sulfur battery. Lithium–titanate battery (LTO) Thin-film lithium-ion battery. Lithium–ceramic battery [2][3] Rechargeable lithium–metal battery.
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The battery is internal and not removable, and there is no optical drive. The ThinkPad X1 laptop was released by Lenovo in May 2011. Notebook Review offered a positive opinion of the ThinkPad X1, saying that it was, "A powerful notebook that combines the durability and features of a business-class ThinkPad with the style of a consumer laptop."
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