Seriously, though, there is a strategy to answering questions on the exam. This is critical if you are trying to figure out how to pass the SPHR exam. This is strategic in nature, meaning that itâs about how HR ties in, and drives, business activities and measures.
After the laptop has gone through a full single charge and the power plug is unplugged the average life of a laptop battery can be anywhere between one and six hours.
The reason they say to do this is because laptop batteries lose their charge over time and they don't know how long the battery sat in a warehouse prior to being used. All laptop batteries contain electronics in them that prevent over charging once the battery reaches 100%. If the battery has sat for a long period of time the calibration of the laptop battery's remaining power estimate will be off and could stop the charging battery before it is completely fully. This is why most instruction manuals say to charge over night to 100% then run it down to 5%-10% and then charge it again.