You check these out to see if it suits your needs.
Travelcard Plus – considering the weight is only 2.7 ounces but it costs around 30 bucks. The 3000 mAh power bank comes with USB-C PD port, built-in USB-C cable, and built-in Lightning cable, it can fast-charge most smartphones or other handheld devices
BioLite Charge 20 PD – it weighs 5.8 ounces. It comes with Comes with Charge 20 PD, USB-A to USB-C charge cable. 6,000 mAh power bank can fully charges in 2 hours with battery life Indicator LED panel.