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4000mah portable round battery charger 5V Li-polymer cell power bank

  • Introduction:Product name:round power bank portable charger| Capacity : 4000mah | Input : 5V / 1A | Output : 5V / 1A| Size:86*17.5 mm | Weight:115G | Charging time: 5-6 hours | Circuit protection: Accept | Operating Temperature:0°C-45°C