Kings 12Ah LiFePO4 60W USB-C Portable Power Pack $99 ($89 with code) + Delivery ($0 C&C) @ 4WD Supa Centre eBay

All time low for this popular, smaller power pack.
It can run a camping fridge for up to 6 hours + depending on power draw.
Lighter weight makes it good for beach and picnic trips with a portable fridge

Can do 120W (150W peak) at the 12V socket, so similar to a regular car 12V socket.
Has USB-A, USB-C and 12V barrel connector.

Select C&C from one of 27 stores across Australia to avoid delivery charges.

12Ah @ 12.8V
208mm (L) x 148mm (W) x 38mm (H)
Weight: 1.5kg

Charge time: ~3.5 hours via USB-C @ 45W

Note there are a few eBay $10 target codes at the moment. Some people have $10 off in eBay app.

Original Coupon Deal