Have you ever asked "why" of your Dell inspiron 1420 battery no longer works? All batteries fail at one time or another and most importantly all batteries fail - for different reasons. Specifically, two identical batteries that come from the same batch with the same identical voltage, capacity, and the chemistry of refusal (or work stoppage) at different times.
The Battery Method of pre-work is an essential prerequisite to a Dell Vostro 1400 battery mode and effects analysis, and often the only component that receives the least attention. It's a way of "starting smart" in the identification of battery failures. For example, battery failures are caused by common interfaces. If an engineer, focused on a unique aspect of the system of micro or macro Dell XPS M1330 battery, the impasse on the effectiveness and efficiency of the interface components in the design, compilation and editing system battery, then the failure rate and severity could substantially increase regardless of how "correct" portion of the engineer's system works.
A really good case study on failures shared interface is the interface the Apple MacBook Pro 15-inch battery with the operating system of the device. ineffectiveness of the software operating system in a device can use more or less the maximum capacity and voltage of a battery and thus degrade the result, the battery faster than normal. At the consumer level they would just say the battery is defective or "sucks" when in fact it is the device software is the culprit for the deterioration of the Pavilion tx1000 battery faster than normal.
Thus special attention to pre mode Fujitsu t4210 battery at work is well advised. Battery in pre-work includes a complete and detailed description of the system stack, the function of the Lenovo t61 battery, the intended uses of the battery, and likely unintended uses.
In Part 2 of Battery Failure Mode and Effects Analysis I will Battery Failure Severity and Occurrence Battery Failure.