ASTRO E5 - USB Adapter Charging Speeds

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The Astro E5 external battery is fully compatible with all 5V AC adapters.
Reference the chart below for the charging times of different adapters.
USB Adapter Charging Speeds
Adapter Current Output Charging Time
5V / 1.5A 9-10 hours
5V / 1A 15-16 hours
5V / 0.5A 28-31 hours