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This pocket card size powerbank can be easily carry in your wallet or bag and give you emergency charging for your out of juice devices.
Output: 1A, charging time: 4-5 hours.
Note: Current stock come in full white.
FAQ: How many times can my powerbank fully charge my device?
Formula: powerbank battery capacity * 0.8 (about 20% loss) / mobile phone battery capacity = charging times (approximately)