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Buying Guide for a Cheap Sony VGP-BPS13 Battery Replacement

on Fri Jan 21, 2011 1:24 am
Generally speaking, a Sony laptop battery can be used for a couple of years before it completely goes dead. Then you will probably think about buying another original Sony battery from Sony distributor at a very high price. Now I would like to suggest that buying a cheap replacement sony vgp-bps13 battery is also a wise choice. Many people may have many questions, how do you know what to buy, from who to buy, what you even should be looking for when buying a laptop battery? I have classified several categories a person needs to be informed about when going out to make a purchase for a new battery.

Laptop model and original battery code (part number)

The original battery code (part number) is quite essential to the purchase of your new laptop battery. It is a unique identifier that is assigned to a part to simplify referencing and to unambiguously define a part within a single manufacturer. The part number above all is what needs to be known before going to buy your battery

. Secondly the make and model are next most important part identifiers you must know. The make is the manufacturer (e.g. Sony, HP, and Dell). The model is a multi-component word that includes the line and actually model number. For example, the Sony VGN-FZ50B (sony vgp-bpl8 battery) is an example of a Sony made laptop that is part of the VGN series and which has model number VGN-FZ50B. In other words, the information of model and part number can determine the battery compatibility.

Capacity, Chemistry and Voltage

There are series of questions about capacity you need to know before purchase: how much you want to spend, how often and how long you use your laptop on battery power, and what applications you may be running off the battery's power. The higher the capacity the more money you will spend, so if you need the longer runtime or you use applications that require more battery power, then buy the higher capacity battery. A milliAmp hour (mAh) is the most commonly used notation system for consumer electronic batteries. For example, 4400mah, 6600mah, 8800mah.

Most laptops now require a lithium based battery chemistry, as it has no memory effect. You cannot choose your chemistry type for most batteries. It is still good however to know which chemistry type your battery requires.

For laptop batteries, the most common voltage measurements are: 7.2V, 9.6V, 10.8V, 11.1V, and 14.4V. Since you cannot choose the voltage measurement for your laptop, then go with whatever measurement is closest to your original vgp-bps13 battery. Remember nominal voltage allows for slight deviation from the original but you cannot use a 7.2V battery if it requires 14.4V. The best example would be a 10.8V battery could be used with an 11.1V battery.

Number of Cells

The number of cells is important since the more cells contained in the battery the higher the capacity will be. To determine the number of cells in your laptop battery you need to have some general idea of what cells are being used in your battery. The most common battery cell is the 18650 and is manufactured by LG, Sony, Sanyo, Samsung, Panasonic and many others. The 18650 is a 3.6V cylindrical Li-Ion cell. 18650 has no memory effect (distinguish between digital memory effect) and longer storage life than NiMH battery cells. 18650 is light weight and have a high energy density. It is in effect perfect for building batteries for laptop and other portable power devices.

Specifically the 18650 battery cell has a nominal voltage average of 3.7 V. It has a nominal capacity of 2200 mAh. It has a maximum charge current of 2.4 Ah and a max discharging current of 4.6 Ah. Its dimensions (DxH) are 18.3 mm (Max 18.4) x 64.9 mm (Max 65.1). It weighs 46.5 g (1.64 oz). It has cell cycle performance of 80% of initial capacity at 300 cycles. All in all the 18650 is a very good battery cell.

Using this common laptop battery cell as our base you can determine the number of cells in your laptop battery by doing the following. Divide the battery's stated voltage by the 18650's nominal voltage to get the number of cells in series and divide the battery's stated capacity by the 18650's nominal capacity to get the number of cells in parallel. Then multiply the results of the series and the parallel to get the total number of cells in the battery.

Price, Warranty and Seller

When choosing a seller to buy sony laptop battery(also other battery like:VGP-BPL13 battery), please first search the seller's reputation and then carefully check the price, the warranty and the return policy. It is recommended to contact the seller if you have any questions.
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Re: Buying Guide for a Cheap Sony VGP-BPS13 Battery Replacement

on Fri Jan 21, 2011 1:28 am
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