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A typical 12 V, 40 Ah lead-acid car battery. An automotive battery, or car battery, is a rechargeable battery that is used to start a motor vehicle.. Its main purpose is to provide an electric current to the electric-powered starting motor, which in turn starts the chemically-powered internal combustion engine that actually propels the vehicle.
Car lead–acid battery after explosion showing brittle fracture in casing ends Excessive charging causes electrolysis , emitting hydrogen and oxygen in a process known as gassing . Wet cells have open vents to release any gas produced, and VRLA batteries rely on valves fitted to each cell.
An effect with similar symptoms to the memory effect is the so-called voltage depression or lazy battery effect. This results from repeated overcharging; the symptom is that the battery appears to be fully charged but discharges quickly after only a brief period of operation.
General Motors is recalling 42,904 vehicles, citing a problem with the vehicles' generator control modules (GCM) that could cause "a gradual loss of battery charge and the illumination of the ...
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A nickel–metal hydride battery (NiMH or Ni–MH) is a type of rechargeable battery. The chemical reaction at the positive electrode is similar to that of the nickel–cadmium cell (NiCd), with both using nickel oxide hydroxide (NiOOH). However, the negative electrodes use a hydrogen-absorbing alloy instead of cadmium.
The battery packs are produced by GS Yuasa, the same company that supplies the batteries for the Boeing 787 Dreamliner, whose entire fleet was grounded in January 2013 for battery problems. The lithium-ion battery of an i-MiEV caught fire at the Mizushima battery pack assembly plant on March 18 while connected to a charge-discharge test equipment.
Tesla posted its first annual sales drop in more than a dozen years Thursday, undercutting a stock that has soared since Donald Trump’s victory on optimism Elon Musk’s close relationship to ...