Samsung 20,000mAh battery leaks have surfaced online, suggesting the company is testing an extremely large silicon-carbon battery for future devices. The battery is reportedly being developed by Samsung SDI and could represent a major leap in battery capacity.
According to a tipster, Samsung’s battery division tested a dual-cell 20,000mAh battery, made up of a 12,000mAh cell and an 8,000mAh cell. The test reportedly delivered up to 27 hours of screen-on time and nearly 960 charging cycles in a year.
Samsung 20,000mAh Battery Swelling Problem
However, the 20,000mAh battery reportedly developed swelling by the end of testing. This swelling issue suggests the battery may not be reliable for long-term use in smartphones, making it unlikely to appear in Galaxy phones anytime soon.
Another leak claimed one of the cells expanded significantly in thickness due to swelling. Because of this, Company may instead use the core 20,000mAh battery technology for electric vehicles or other large devices rather than smartphones.
While Chinese brands are already offering phones with 7,000mAh to 10,000mAh batteries, the 20,000mAh battery remains an experimental project. Until stability issues are solved, it is unlikely to reach consumers.
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