Talking about the configuration of lithium battery of Apple iphone4S mobile phone
Jobs created Apple's mythology. Therefore, Apple's products have always aroused great interest. Recently, a well-known dismantling agency in the United States unveiled the mystery of this battery by dismantling the iphone4S.
IFIXIT is a dismantling organization that has long been concerned about Apple products. It has found the following aspects of iphone4S:
1. The mobile phone adopts Apple's A5 system with a frequency of 1GHr. Such broadband allows the handset to support GSM, GPRS, WCDMA, EDGE networks;
2, the motherboard has A5 dual-core processor, and the wireless chipset is Qualcomm, it has an upgrade than iphone4;
3. The flash memory is provided by Toshiba, and the amplification chip is provided by two companies.
This is undoubtedly a high-tech stacked product. As a practitioner of lithium battery companies, the author has examined in detail the disassembly company's analysis of the results of the mobile phone battery . Open the back cover and you can see the battery. The label that appears in the eye is “Allow only the service provider to disassembleâ€. The battery life of the mobile phone is understood to be: 8 hours under 3G, and 2G/ Up to 14 hours under GSM conditions. Standby time is 200 hours, compared with the previous generation iphone4, the standby time is half. This has caused confusion about battery performance.
As can be seen from the battery label, this is a lithium-ion battery originating in China. More specifically, it is a "polymer" or a polymer lithium battery. The capacity is labeled 5.3WHr, while the lithium battery for iphone4 is 4.8WHr. The new mobile phone has a large capacity and the standby time is short. It seems that the layman does not seem to be consistent. In fact, this is a normal phenomenon, because the large-capacity polymer lithium battery may also have a large self-discharge, especially the more the charging, the greater the self-discharge.
From the perspective of endurance, iphone4S is one hour longer than iphone4 in 3G, and the time of the two batteries is the same under 2G. Another reason for the short standby time is also related to the entire host configuration, such as the A5 system. However, the iphone4S mobile phone manual also gives suggestions for improving battery efficiency. Namely: 1. Regularly calibrate the battery power, usually one full charge and discharge once a month. 2. The configuration problem is mentioned earlier. Therefore, the A5 system setting should be adjusted to reduce the working power. 3. Turn off the temporary unnecessary function and reduce The number of switching between 3G and 2G.
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