I think I bought is for $32. Checked - $30.39
Lowest was $22 May 2021 https://www.ozbargain.com.au/node/621977
About this item
🔋【3 Output & 2 Input】This compact powerbank has 3 Output(2 USB + 1 USB C)2 Input(1 USB C + 1 Micro USB)max 9V-2A/12V-1.5A, you can max charge 3 devices at the same time. The versatile and bidirectional USB C port on this power bank working as input & output, supports both quick charge in and out.
🔋【PD 20W & QC 3.0】This mini USB C power bank equipped with both USB Power Delivery (PD 20W) and Quick Charge 3.0 (QC3.0)quick charging protocol which makes the charging speed 4 times faster than some regular chargers.
🔋【10400mAh Capacity】The high quality lithium battery bank with a large capacity of 10400mAh is perfect for cell phones.It can provide 3 charges for your iPhone XS and 2 charges for your Samsung Galaxy Note 9.And 3 Output(2 USB + 1 USB C)2 Input(1 USB C + 1 Micro USB)can meet your different kinds of device.
🔋【Mini Compact Design & LED Indicator】With a palm-sized design, this small power bank only has 187g in weight, and 9.05 x 6.2 x 2.22 cm in size. Credit card-sized for easy portability when going out. And four white LED indicators show you the remaining energy of your mini portable phone charger.
🔋【Security Protection & Reliable】CE, RoHS, FCC certified quality in manufacturing. Intelligent security to protect against excessive current, overheating and overcharging, and ensure the safety of you and your equipment.
Bought one of these at full price a few months ago. Super happy with it so far.