Anker Power Bank 20000mAh 30W is a high-capacity portable battery for seafarers who need more reserve power during long airport transfers, shore leave or travel between vessels and home. It is a practical option for charging phones, tablets and other USB-powered devices when wall power is not convenient.
The 20,000mAh battery supports up to 30W USB-C charging and provides two USB-C ports plus one USB-A port, allowing several devices to be connected from a single power bank.
More details: https://service.anker.com/product-description/a08J1000000YcHbIAK/anker-power-bank-20k-30w%3Fref%3DHome_Page
