Most smartphone batteries and powerbanks use lithium-ion technology to generate power, but this chemical reaction can sometimes cause gas formation inside the battery, causing it to swell or even burst. So, how do you stop your battery from swelling? This particular model looks like a large AA battery with a curved mid-section. The ports are found at one end of the battery -- a micro-USB port for charging the battery itself and a regular USB port for charging any other device from the battery. The aMagic battery has a maximum charge capacity of 2600mAh which is pretty decent for its size and weight. Performance and Battery Life Built for the Entire Workday Under the hood, the ExpertBook Ultra is powered by Intel's latest Core Ultra processor alongside Intel Arc graphics and Intel AI Boost technology. Perhaps even more impressive is the battery life. From its lightweight premium design and beautiful OLED display to its AI-powered productivity features, enterprise-grade security, and excellent battery life, the ExpertBook Ultra feels purpose-built for executives, entrepreneurs, consultants, and professionals who rely on their laptop every day. Read more in our articles including "Watch: Why Does Your Smartphone/Powerbank's Battery Bloat?" and "aMagic Pocket Rechargeable Battery".
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Jun 12, 2026Most smartphone batteries and powerbanks use lithium-ion technology to generate power, but this chemical reaction can sometimes cause gas formation inside the battery, causing it to swell or even burst. So, how do you stop your battery from swelling?
This particular model looks like a large AA battery with a curved mid-section. The ports are found at one end of the battery -- a micro-USB port for charging the battery itself and a regular USB port for charging any other device from the battery. The aMagic battery has a maximum charge capacity of 2600mAh which is pretty decent for its size and weight.
Our coverage of battery bloat includes: "Watch: Why Does Your Smartphone/Powerbank's Battery Bloat?"; "aMagic Pocket Rechargeable Battery"; "ASUS ExpertBook Ultra - 5 Best Features That Make This a Serious Executive Productivity Machine". Each article provides unique insights and information.