Anker PowerCore Solar 20000, 18W USB-C Power Bank 20,000 mAh with Dual Ports, Flashlight, IP65 Splash Proof and Dustproof for Outdoor Activities, Compatible with Smartphones and Other Devices

Product Information

However, to ensure compatibility and best performance, we strongly recommend using your device’s original cable, a third-party certified cable (such as MFI) or the included cable. Our editors thoroughly review and fact-check every article to ensure that our content meets the highest standards.

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Portability: Many people use their power banks on the go, so I considered the dimensions and weight of each power bank to determine how easy it is to transport your power bank around with you.Additionally, a quick installation guide is included to assist users in utilizing the power bank efficiently. Due to recharging inefficiencies, all the PBCs consumed more energy than the manufacturer specified. After examining these four portable battery chargers with a comprehensive suite of tests, I know I could get enough data needed to make a good decision based on a limited BatteryBench protocol. For that you'll have to turn to our Editors' Choice for smaller batteries, the Xiaomi Mi Power Bank Pro.

Anker Portable Battery BatteryBench Tests of Nitecore and Anker Portable Battery

Pass-through charging is not supported, so you won't be able to charge the battery itself while other devices are charging. Chart comparing energy wasted by overnight recharging of an iPhone as a percentage of total capacity. When the trickle-charging mode is on, the last LED light will remain green, regardless of battery status.Solar charging is subject to sunlight intensity and panel conversion rate, so it may take several days to recharge PowerCore. With needs that vary greatly and in a rapidly changing market, a “best” portable battery charger simply does not exist.