The A57 is a high-performance portable power bank equipped with four 21700 battery cells, providing reliable and long-lasting power for your devices. It features multiple fast-charging outputs including Type-C and USB-A, supporting up to 20V/5A output for quick and efficient charging. With its dual input and output Type-C ports, it allows for both charging the power bank and powering your gadgets simultaneously.Designed in a sleek black or gray finish, the A57 offers broad compatibility—ideal for smartphones, tablets, and other USB-powered devices. Its intelligent protection circuit ensures safe and stable operation, while the compact size (157.8 × 56.5 × 42 mm) makes it easy to carry anywhere.Key Features:Battery Type: 21700 cells × 4Output (Type-C): 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/5AOutput (USB-A): 5V/3A, 9V/2A, 10V/2.25A, 12V/1.5AInput (Type-C): 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25AColor Options: Black, GrayCompatibility: 99% of smartphones and tabletsSafety: Built-in protection circuit
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