W3 Battery Model Number

[Pernille Pennebaker]

Click on the Apple, then on about this Mac, and then on more info. In the resulting window, click on hardware on the left and it should show something like Macbook 6,1. I'd assume you know when you bought it, is it aluminum or white/black?

I will attempt to correct this response - for the benefit of future persons likely to view this post. It is not impossible to determine, as your response has suggested, "How" the asker can locate the desired information. The asker did not ask for any information specific to the needed battery. The asker's question is a simple inquiry into "How" to find the information themselves. Providing the user with a sufficient response to their question is completely within the realm of possibility, with no further information needed from the asker.

What else did it say in the System Profiler? There were two 5,2 models: a 2 GHz early 2009 and a 2.13 GHz mid/late 2009. Both are white and should use the same battery: if I remember correctly, there was only one choice for the white Macbook on the Apple website?

I've gotten 6 MacBooks off of eBay for my family. 4 of them had old batteries so I've bought 4 from eBay. The oldest is 3 years. All 4 have worked perfectly. They're made by the same manufactuers that make them for Apple. The only difference is they don't have the Apple logo or the Apple markup.

Acer batteries are very straightforward and present a Model Name that should be used as your search term. They also have a part number & serial number label, the first number is the battery part number.

Please look on the bottom cover of your PC to find the Toshiba Model/Serial Sticker Label like below. Or click here to download a Toshiba Product Information tool that will detect and display the PC model and serial number.

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If you're planning on replacing the battery yourself, you can check the battery's model number. Of course, the specifics of accessing your laptop's internal components will differ based on the model, but here's a general description of how it works.

The type of battery your laptop has depends on your laptop manufacturer and the device model. If you can easily locate and remove the battery, turn off and unplug your laptop and remove the battery. There should be a label with its type (most commonly lithium-ion), model number, part number, voltage, and more. If the battery isn't easily accessible, turn to your laptop manufacturer's website for guidance. Additionally, there are third-party utilities that can help you determine what battery your laptop has. Download Battery Care or try Notebook Hardware Control.

Essential to the purchase of your new laptop battery is the part number. A part number is a unique identifier that is assigned to a part to simplify referencing and to unambiguously define a part within a single manufacturer. Knowing about part number of the battery will more accessible to buy a correct battery, and it is comparatively accurate to search a battery by its part number than the model name of laptop.

A laptop battery has at least one part number (that is, the battery model we often say), and many batteries even have multiple part numbers. When you find a battery with the same part number as your laptop battery, you can be sure that it is fully compatible with your laptop.

Lenovo often lists several part numbers, one is called "FRU p/n", on is called "ASM p/n", and occasionally the model number is just listed on the battery with no preface. Also on many Lenovo cartridges there is a red or orange circle with a number inside it (also may contain a + sign).

Apple has determined that, in a limited number of older generation 15-inch MacBook Pro units, the battery may overheat and pose a fire safety risk. Affected units were sold primarily between September 2015 and February 2017 and product eligibility is determined by the product serial number.

First check to see which 15-inch MacBook Pro you have. Choose About This Mac from the Apple menu () in the upper-left corner of your screen. Confirm your model is "MacBook Pro (Retina, 15-inch, Mid 2015)." If you have that model, enter your computer's serial number below to see if it is eligible for this program.

Choose one of the service options below to have your battery replaced. Your MacBook Pro will be examined prior to any service to verify that it is eligible for this program. Service may take 3-5 days.

The complete nomenclature for a battery specifies size, chemistry, terminal arrangement, and special characteristics. The same physically interchangeable cell size or battery size may have widely different characteristics; physical interchangeability is not the sole factor in substituting a battery.[1]

The full battery designation identifies not only the size, shape and terminal layout of the battery but also the chemistry (and therefore the voltage per cell) and the number of cells in the battery. For example, a CR123 battery is always LiMnO2 ('Lithium') chemistry, in addition to its unique size.

The IEC prefix "CR" denotes lithium manganese dioxide chemistry. Since LiMnO2 cells produce 3 volts there are no widely available alternative chemistries for a lithium coin battery. The "BR" prefix indicates a round lithium/carbon monofluoride cell. See lithium battery for discussion of the different performance characteristics. One LiMnO2 cell can replace two alkaline or silver-oxide cells.

IEC designation numbers indicate the physical dimensions of the cylindrical cell. Cells less than one centimeter in height are assigned four-digit numbers, where the first two digits are the diameter in millimeters, while the last two digits are the height in tenths of millimeters. Taller cells are assigned five-digit numbers, where the first two digits are the diameter in millimeters, followed by the last three digits indicating the height in tenths of millimeters.

All these lithium cells are rated nominally 3 volts (on-load), with open-circuit voltage about 3.6 volts. Manufacturers may have their own part numbers for IEC standard size cells. The capacity listed is for a constant resistance discharge down to 2.0 volts per cell.[143]

This is also the most common lithium cell. Commonly used on computer motherboards as nonvolatile BIOS memory and real-time clock (RTC) backup batteries, device remote controls, remote key fobs for cars and other vehicles. Also in other devices such as key finders like Apple's AirTag. Weighs around 2.9 g.[148]

Miniature zinc-air batteries are button cells that use oxygen in air as a reactant and have very high capacity for their size. Each cell needs around 1 cm3 of air per minute at a 10 mA discharge rate. These cells are commonly used in hearing aids. A sealing tab keeps air out of the cell in storage; a few weeks after breaking the seal the electrolyte will dry out and the battery becomes unusable, regardless of use. Nominal voltage on discharge is 1.2 V.

Lithium-ion rechargeable batteries are generally not interchangeable with primary types using a different chemistry, due to their higher voltage. Many are also available with protection circuits that can increase their physical length; for example, an 18650 is around 65 mm (2.56 in) long, but may be around 68 mm (2.68 in) long with a protection circuit. Some such circuits increase cell diameter instead. The increased dimensions may mean the cell will no longer fit in battery compartments intended for cells without such circuitry.

Commonly-used designation numbers indicate the physical dimensions of the cylindrical cell, as given in IEC standard 60086-1 for cylindrical primary cells. The first two digits are the nominal diameter of the cell in millimetres, and the two following digits are generally the height in millimeters, with the fifth digit indicating cylindrical shape. Alternately, the last three digits can refer to the height in tenths of a millimeter. Manufacturers may use non-IEC designations for their products.

The PP (Power Pack) series was manufactured by Ever Ready in the UK (Eveready in the US). The series comprised multi-cell carbon-zinc batteries used for portable electronic devices. Most sizes are uncommon today; however, the PP3 size (and to a lesser extent PP8, used in electric fencing, and PP9) is readily available.[249] The PP4 was cylindrical; all the other types were rectangular. Most had snap terminals as seen on the common PP3 type. These came in two incompatible sizes, as is evident in some of the pictures below, those on larger, mostly older, battery types such as the PP9 being somewhat larger than those on the smaller batteries such as the PP3.

The model number on our chargers is usually located on the side of the charging station, printed on a label attached to the plastic. The date code can be found at the bottom, and it will be easy to identify since it is engraved on the housing and has a date format. You only need to provide the first six digits.

Providing us with a specific model number can help make sure that you are buying the correct replacement battery for your laptop. See below for a simple guide on how to locate the model number (or Part Number) on your device.

Now that you have located the model number of your device, you can easily search the BTI Website by entering the number into the search engine. If you are still having trouble locating the information or need help, please feel free to [contact us] directly.

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