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. But it’s not just the phone itself; the battery lasts quite long too, making it perfect for those who often forget to charge their phones. A long-lasting battery It’s not just the phone itself that’s very capable. The battery of the OPPO A6s is also strong and long-lasting. Read more in our articles including "Watch: Why Does Your Smartphone/Powerbank's Battery Bloat?" and "aMagic Pocket Rechargeable Battery".
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Mar 25, 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 security includes: "Watch: Why Does Your Smartphone/Powerbank's Battery Bloat?"; "aMagic Pocket Rechargeable Battery"; "Our favorite features from the OPPO A6s". Each article provides unique insights and information.