I got this charger power bank combo last month and was hesitant to do so since it wasn't on AUKEYS site but it works great. I can use it to charge my phone and Surface GO when I'm in the hotel and then bring it with me incase I need extra power while hiking. It allowed me to combine three devices down to one and I just noticed it's a $31.44 lightning deal at amazon for another hour. I can't post link but the info below should get you there.

AUKEY 3in1 Combo 5000mAh
ASIN B08SPZZCXZ