29
Okt
2012

Why Dell Studio 1555 Laptop Battery Exploding

In general, the current battery of Dell Studio 1555 have good comprehensive protection. Not only are multiple series / parallel battery circuit board itself also contains two modules: protection module PCB Board Module and smart battery indicator, a set of design includes sony vgp-bps2 battery protection IC protection (to prevent battery in the prime nivelsobre the discharge, short circuit), the second-level protection IC (to avoid a second surge), fuses, LED display, temperature control and other components.

In the mechanism of multiple layers of protection, including the charger, computer in an anomalous situation, the battery can only be converted to automatic protection status, if the situation is not serious, often working after re-plug, no explosion. The first is the most severe, a short circuit will directly and very hot, resulting in vaporization of some of the electrolytes, slice dell latitude d620 battery cover.

According to analysis, Dell 1555 battery explosion caused by a short circuit or overload, probably manufactured lithium batteries, because the manufacturing process is deficient, leaving the existence of product safety problems can occur at any time, as the dell inspiron 6400 battery should be insulated but metal powder or sheet copper and aluminum foil membrane drilling burr among them, resulting in micro short circuit.

There is also a very special situation, the charger or equipment due to special reasons, lithium battery instantly provides the high voltage / strong currents that leads to severe stress, such as charging voltage v mbm1260 suddenly rises to 12.9 v is greater, then it would produce a high flow, should be cut in the circuit charge current to recharge the compaq evo n600 battery, but action due to battery voltage lithium, depending on the design of current protection is very weak This can lead to damage of IC, battery protection.

Studio 1555 battery to lose the protective function and extremely damaged, after crystallization overload around lithium metal needle piercing points ahead of several micro chip short circuit, causing the battery temperature gradually raised, until finally battery explosion, fire phenomenon, which is now a lot of main reasons for the "mess" of portable inspiron 1564 laptop batteries.
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