How about 10400mAh smart mobile power supply of Scheler LS-S5? Comment.

Scheler LS-S5

Capacity 10400mAh

Battery lithium battery

Output voltage 5V

Output current 1A/2A

Input voltage 5V

Input current 1A

Size 70*25* 1 10mm.

Weight 0.2 kg

Very practical, good goods.