The European Union is introducing another useful change for smartphone users, in addition to USB-C in iPhones and the return of replaceable batteries in 2027. Starting June 20, smartphones must have a label informing users of battery life per charge. In addition to guaranteed lifetime of 800 charge cycles and 5 years of software support
What an outcome: one free component, one touch of soldering iron, and this 2-dollar Casio becomes as accurate as 10 times more expensive original Casio watch
Smartphones have embraced new type of batteries, promicing 7000 mAh to become a new standard over current, wow! It's so bad Apple and Samsung are ignoring Lithium-ion Silicon-Carbon (LSC) batteries and sticking with 5000 mAh capacities
Today, a charger is a full-fledged computer with more processing power than the Apollo 11 spacecraft that brought humans to the Moon. Before the charging adapter starts pumping the voltage, it must first communicate with the smartphone. Incompatibility of the communication software protocol is the reason why a smartphone with USB PD, for example, cannot fast charge from a VOOC charger.
Read on technical details of fast charging technologies. Find out why the best charger – is your old feature phone's charger.
practical test of how much the battery degrades from fast charging.
a batch of six identical batteries for Samsung Galaxy S20 Plus (EB-BG985ABY) with a stated capacity of 4370 mAh and an initial actual capacity of about 3900 mAh is tested.
the batteries were 100 times subjected to a resource test of full charge and discharge. This is approximately 100 days of phone usage.
fast charging at 5 amps led to a noticeable decrease in capacity. Over three months of fast charging, the batteries lost an average of 1.6% of their initial capacity.
