the Metal Ravpower 6700mah Power Bank portable charger 2A Input & 2.4A Output is on sale for
$4.99 CLICK THE ON PAGE COUPON
this has 2x LG F1L 3350mah 18650 cells that will probably outperform most of the Li-Po 10000 packs promoted here
sorry no PD / QC or HDMI
MICRO USB ONLY 5V and will work with almost anything that needs 5v
https://www.amazon.com/dp/B00Y2PX4YI
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