Note: This review is part of our roundup of portable power banks. Go there for details on competing products and our testing methods. The Romoss Solo 6 Plus is currently priced at just under $24 ...

To determine whether Romoss correctly labels the mAh capacity on its power banks, we disassembled a Romoss Sense 8P+ power bank to check the stated capacity of the lithium-ion cells inside.

Product Brand Name Price Samsung Samsung 2-in-1 Portable Fast Charge Wireless 10,000 mAh ... Power Delivery Portable Charger A6PD 20100mAh Check Price on Amazon ROMOSS ROMOSS 30000mAh Power Bank ...