The TECNO SPARK Slim astonishes with a thickness of just 5.75mm while housing a robust 5,200mAh battery, showing remarkable engineering. Weighing only 166 grams, initial handles doubted its authenticity due to its lightness, prompting the developers to add weight for realism. Its battery is extremely thin at 4.04mm, achieving 800 Wh/kg energy density without silicon additives, enhancing durability. It charges quickly at 45W, allowing users freedom without constant charging. Its stylish materials include recycled aluminum and stainless steel, ensuring durability, heat management, and a sleek finish that repels fingerprints.
Hold your breath. The TECNO SPARK Slim measures just 5.75mm thick. That's roughly the width of three credit cards stacked together. You could almost lose it if you slid it between book pages. Yet somehow, this impossibly thin device houses a massive 5,200mAh battery. Physics just called-it wants an explanation.
The battery itself measures just 4.04mm thick-thinner than a standard wooden pencil. Engineers didn't just push boundaries; they redefined them. It achieves an energy density of 800 Wh/kg without silicon additives, which could enhance durability compared to competitors that rely on silicon to increase capacity.
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