The best power banks of 2023

Anker PowerCore Essential 20000 features: Charges 2 devices at once | 1 USB-C port | 100% charge within 10.5 hours | 20,000mAh battery capacity

If you are looking for the best portable power bank, the Anker PowerCore Essential 20000 is your pick. It is powerful, too, with over five charges for your iPhone XS. Anker uses its own PowerIQ and VoltageBoost technology to quickly charge up to two devices simultaneously with both USB-C and Micro USB ports. 

It will take you 10.5 hours to recharge using a 10W charger. For greater peace of mind, an 18-month warranty is included.