Naming rules of IBM/Lenovo Thinkpad laptops/notebook(Thinkpad laptop battery)
The naming rules of IBM/Lenovo ThinkPad family:
Firstly, ThinkPad familly has defined the name of different series for its products. Up to now, there are mainly four categories: R-series, T-series, X-series and Tablet in X-series. The characteristics of each series are listed as follows:
R-series：For daily computing. Features: Cheap, mainstream configuration, can meet everyday computation needs. (Batteries: IBM Thinkpad R50 battery, IBM Thinkpad R60 battery)
T-series：Targeted as high-end products, can achieve superior performance requirement and boast best professional quality. Features: Perfect balance between performance and portability.(Batteries: IBM Thinkpad T40 battery)
X-series：The lightest and thinnest to realize best mobility. Features: This series have the highest mobility among general ultra-portable designs, armed with long life battery make it ideal for high mobile users.(Batteries: IBM Thinkpad X60 battery)
X-series Tablet：Targeted as variable Tablet PC. Features: Can be used as a Tablet PC or laptop, hand writing can be performed on the screen directly and freely.(batteries: IBM Thinkpad X61t battery)
Secondly, ThinkPad family of products defines a model, it is a code cosist of 2 to 3 numbers or letters, such as 61, 61i, and 61e etc, it goes after series code as model mark of products in ThinkPad family, like T61, R61e and X61 etc. Recently, the popular products in sales from each series are: R61、R61i、R61e、T61、X61、X61s、X300 and X61 Tablet PC etc.
Thirdly, ThinkPad also defined type and model, for example:”ABCD-XYZ”is a code consists of seven numbers and letters. The four numbers or letters in the front si type, it is based on the launch date and configurations; the remaining 3 numbers or letters behind it is the model, model code is consists of 3 numbers and letters, it defines the specific configuration and place of sales, at the same time, type+model is also the product ID.
At last, to sum up, the overall naming rules of ThinkPad, from general to specific: serial number, model number(often appear with serial number), type and model, these codes make up the integral and exculsive marker of a product model or specific configuration. E.g., ThinkPad T61 7663-MS2。
In addition, Lenovo will apply a new system of naming rules: 1 letter+3 numbers, ThinkPad X300 is an example of product under new naming rules, there will be more ThinkPad products name of this kind, like:
X-series：ThinkPad X200 (11″)、ThinkPad X300 (13.3″)
W-series：ThinkPad W400 (14″)、ThinkPad W500 (15.4″)、ThinkPad W700 (17″)
T-series：Thinkpad T400、ThinkPad T500
R-series：ThinkPad R400、Thinkpad R500
