It is reported that Samsung SDI Two-cell batteries with capacity up to 20,000mAh It is a silicon-carbon battery. It is expected that it is in the experimental stage and may not be used directly with smartphones.
Samsung is rumored to be testing a two-cell silicon-carbon battery with a capacity of 20,000mAh.
In the recent period Many smartphones from Chinese brands are beginning to use batteries with capacity of 8,000mAh or more. Recently, there were reports from news sources that Samsung SDI is testing a two-cell battery with a capacity of up to 20,000mAh for smartphones.
Although Samsung usually doesn’t put much emphasis on battery capacity in its smartphones, for example the latest Galaxy S25 Ultra uses a 5,000mAh battery, but sources claim that Samsung SDI is currently testing a two-cell silicon-carbon battery with a total capacity of 20,000mAh.
According to information from news sources The battery pack consists of a 6.3mm thick 12,000mAh cell and a 4mm thick 8,000mAh cell during testing. The battery can be used continuously with screen-on time for up to 27 hours and supports approximately 960 charge cycles per year.
However, reports indicate that the test results were not very good. After the test is completed The battery has swollen. This raises concerns about long-term durability. Another source added that the 8,000mAh cell has swelled to a thickness of 4mm to 7.2mm.
However, this information has not been confirmed. and coming from a source that is not very reliable It is also possible that Samsung SDI is testing this battery for electric vehicles. Not for smartphones
Source: gsmarena
