Anker Nano Portable Charger 5000mAh for iPhone with Built-in Lightning Connector (Blue)

Introducing the Anker 621 Power Bank with Upgraded Protection and ActiveShield Safety System Model Number: A1645 Unfold. Charge. Go Further. The Anker 621 Power Bank offers a compact design with big power, featuring a built-in Lightning connector that can be folded away when not in use. This power bank is made specifically for Apple devices, with MFi certification to ensure safe and effective charging. The ActiveShield safety system provides enhanced protection with a dynamic temperature sensor that actively monitors temperatures over a million times a day. This system also features advanced temperature monitoring and power output control to help protect your device while it's fast charging. Please note that simultaneous charging and recharging are not supported, and it is recommended to hold your phone while charging as the Lightning port is foldable. The power bank is not compatible with phone cases thicker than 0.19 in (4.9 mm), such as OtterBox defender cases. Why is my power bank providing fewer charges than expected? The capacity reduction during charging is due to a 30% to 45% energy loss in the battery cells and conversion circuitry. A fully charged Anker 621 Power Bank offers an estimated 2,750mAh to 3,500mAh to power devices. How can I estimate the number of charges for my device? To estimate charging cycles, use this formula: (Power Bank Capacity × 0.65) ÷ Device Battery Capacity ≈ Number of Charges. For instance, charging a 3,000mAh device using a 5,000mAh power bank would offer approximately 1.08 charges. Pocket-Sized Power with Anker 621 Power Bank Equipped with a built-in Lightning connector, making it easy to charge your Apple devices without having to carry an extra cable. This power bank offers 12W fast charging, ensuring that your device will be up and running in no time. MFi Certified and Ultimate Power Boost This power bank is MFi certified and designed specifically for Apple devices like iPhones, iPads, and iPods, providing up to 20 hours of additional video playtime for your iPhone 14 Pro Max with a 5,000mAh capacity. In the box, you'll find the Anker 621 Power Bank, a 1.9 ft (60 cm) USB-C to USB-C cable, a welcome guide, worry-free 18-month warranty, and our friendly customer service.

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