Power bank: RAVPower RP-PB07 vs Anker Astro E4 topic

[Q] what's the best between these two battery at same price? :)

RAVPower Element RP-PB07
- 11,2 x 5,1 x 2,1 cm
- 227 g
- 10400mAh

Anker Astro E4
- PowerIQ (it really works? :rolleyes:)
- 15 x 6,2 x 2,3 cm
- 295 g
- 13000mAh