Compared across 5 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The Cellhelmet 10000mAh Power Bank is a compact dual-port battery pack with one USB-C and one USB-A output and up to 20W charging. The 10,000mAh capacity is enough for roughly two full phone charges, which puts it in the same class as most mainstream pocket power banks. It suits commuters and travelers who want a simple, durable pack with a cable in the box. It lacks the built-in wall plug, display or magnetic attachment that some rivals offer, so it is a straightforward rather than feature-rich choice.
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Lowest price we've seen: $35.99 on Nov 11 at Tractor Supply Co. Tracked across 5 stores since Nov 11.
The Cellhelmet 10000mAh Portable Power Bank is a black USB-C and USB-A power bank for charging devices on the go. Its 10,000-mAh capacity provides multiple charges. It has a compact, durable design that fits in a bag.
It has one USB-C port and one USB-A port, so it can charge more than one device at the same time. Maximum output is 20 watts for rapid charging of compatible devices. It works with smartphones, tablets and other devices, and it includes advanced safety features. A charging cord comes with it.
