Anker Open Box Power Bank 87W 20,000mAh Built-In USB-C Cable

• Best Buy now offers the Anker 87W 20000mAh with built-in USB-C cable (open-box), now $21.99 (list price $69.99).
• Free shipping for members.
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Editor's Pick: When your phone and tablet both run out of battery on the go, this built-in USB-C cable lets you plug in and charge right away—no more digging through your bag for a cable. The 20000mAh capacity can recharge your phone three or four times without a problem, and the 87W output can even handle a thin-and-light laptop in a pinch. The open-box price is great, but check the condition grade listed on the page before ordering—the casing may show slight signs of use. If that bothers you, going with the Excellent grade is the safer bet.