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While the state of charge is usually expressed using percentage points (0 % = empty; 100 % = full), depth of discharge is either expressed using units of Ah (e.g. for a 50 Ah battery, 0 Ah is full and 50 Ah is empty) or percentage points (100 % is empty and 0 % is full). The capacity of a battery may also be higher than its nominal rating.
Apple Inc. clarifies that a charge cycle means using all the battery's capacity, but not necessarily by discharging it from 100% to 0%: "You complete one charge cycle when you’ve used (discharged) an amount that equals 100% of your battery’s capacity — but not necessarily all from one charge. For instance, you might use 75% of your ...
State of charge (SoC) quantifies the remaining capacity available in a battery at a given time and in relation to a given state of ageing. [1] It is usually expressed as percentage (0% = empty; 100% = full). An alternative form of the same measure is the depth of discharge , calculated as 1 − SoC (100% = empty; 0% = full).
2.5 (with 9 cell battery) Extensa 4630G [18] [19] Intel Core 2 Duo P7350 NVIDIA GeForce 9300M GS 250 HDD 2.345 (with 6 cell battery) 2.5 (with 9 cell battery) Extensa 4630Z [20] [21] Intel Pentium T3200 Intel Graphics Media Accelerator 4500MHD 120 HDD 2.345 (with 6 cell battery) Intel Pentium T3400 2.16 2.5 (with 9 cell battery) Extensa 4630ZG [22]
The 9-cell battery model is claimed by the company to last up to 12 hours. [1] Aspire TimelineX (2010) models: Aspire 3820T; Aspire 4820T; Aspire 5820T; Aspire 3820TG; Aspire 4820TG; Aspire 5820TG; In April 2011, Acer released the third generation of Timeline models in Taiwan which sport the Intel's Sandy Bridge processor. [2] [3] Aspire ...
Texas Instruments sold its laptop business to Acer in 1997. Toshiba: Japan Dynabook, Libretto, Portégé, Satellite, Satellite Pro, Qosmio, T series, Tecra: Toshiba fully exited the personal computer and laptop business in June 2020, transferring the remaining 19.9 percent shares to Sharp Corporation, which now runs the business as Dynabook Inc ...
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It is a common misunderstanding [2] that the energy not delivered by the battery due to Peukert's law is "lost" (as heat for example). In fact, once the load is removed, the battery voltage will recover, [3] and more energy can again be drawn out of the battery.