我剛剛Google了一下，lightweight的充電寶排名前10名的產品，供參考。

10 Best lightweight power bank in the US

https://www.bestproductsreviews.com/lightweight-power-bank?targetid=&matchtype=&device=m&campaignid=20533292520&creative=&adgroupid=&feeditemid=&loc_physical_ms=9010779&loc_interest_ms=&network=x&devicemodel=&placement=&keyword=$&target=&aceid=&adposition=&trackid=us_all_top_1_1&mId=407-132-4411&trackOld=true&gclid=EAIaIQobChMIz-OGmd6AggMVwgOzAB2Fxwy8EAAYASAAEgI83vD_BwE