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A smart battery or a smart battery pack is a rechargeable battery pack with a built-in battery management system (BMS), usually designed for use in a portable computer such as a laptop. [ 1 ] [ 2 ] In addition to the usual positive and negative terminals, a smart battery has two or more terminals to connect to the BMS; typically the negative ...
Some computer designs have used non-button cell batteries, such as the cylindrical "1/2 AA" used in the Power Mac G4 as well as some older IBM PC compatibles, or a 3-cell nickel–cadmium (Ni–Cd) CMOS battery that looks like a "barrel" (common in Amiga and older IBM PC compatibles), which serves the same purpose. These motherboards often have ...
Data center UPS backup batteries may be wet cell lead-acid or nickel cadmium batteries, with lithium ion cells available in some ratings. Battery module of a Hewlett-Packard RAID controller Server-grade disk array controllers often contain onboard disk buffer , and provide an option for a "backup battery unit" (BBU) to maintain the contents of ...
This "complementary" or CMOS type of switch uses one P-MOS and one N-MOS FET to counteract the limitations of the single-type switch. The FETs have their drains and sources connected in parallel, the body of the P-MOS is connected to the high potential (V DD) and the body of the N-MOS is connected to the low potential (gnd). To turn the switch ...
All are two spindle (or "dual-spindle") designs, with a "D-bay" modular bay which can interchange optical drives, a floppy module, a second hard drive, or a second battery. All models have a smart card socket, PCMCIA socket, and 9-pin serial port, a "D-dock" port for docking station or port replicator, and have an internal socket for an 802.11 ...
The Personal System/2 Model 30 and Personal System/2 Model 30 286 are IBM's entry-level desktop computers in their Personal System/2 (PS/2) family of personal computers. As opposed to higher-end entries in the PS/2 line which use Micro Channel bus architecture, the Model 30 features an Industry Standard Architecture bus, allowing it to use expansion cards from its direct predecessors, the PC ...
As a mixed string of new and old batteries is depleted, the string voltage will drop, and when the old batteries are exhausted the new batteries still have charge available. The newer cells may continue to discharge through the rest of the string, but due to the low voltage this energy flow may not be useful and may be wasted in the old cells ...
Continuous charging consists of inductive and conductive charging. Conductive charging uses a charging board to transfer energy. A built-in receiver is required to receive power. Metal contact can be made possible by setting up a chargeable road. Inductive charging uses an electromagnetic field to transfer energy through electromagnetic induction.
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