The “Series 5” label is Anker’s premium charger/adapter family in their current line-up. According to the official product collection page, Series 5 products combine “premium design and superior performance”.
Key Features & Typical Specifications
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Multiple output configurations: For example, the Series 5 521 model offers 40 W max output, either from a single USB-C port (up to 40 W) or split across two ports (20 W + 20 W) when both are used.
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Charging technologies supported: “PPS”, “PowerIQ 3.0” etc for optimized fast charging.
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Compact premium build: e.g., the dimensions listed for the 521 are ~4.57 cm × 3.48 cm × 3.4 cm, weight ~85 g.
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Part of Series 5 branding: The collection page states “Tech with premium design and superior performance.”
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Variants in the line: For instance the Series 5 511 (30 W) is listed in some specs.
