Accessory maker Nimble has unveiled a genuinely innovative solution to a common first-world problem at CES 2026: how to share your power bank without losing your own charge. The new Champ Stack 10K is a modular battery pack that physically separates into two smaller units, much like breaking a KitKat bar.
Designed to solve the awkwardness of loaning your only charger to a friend, the Champ Stack allows users to safely disconnect the device. This splits the 10,000mAh total capacity into two standalone 5,000mAh bricks. Nimble claims each half holds enough juice to fully revive a dead smartphone, ensuring both you and your friend can get a full charge without being tethered to one another.
Beyond the novelty of breaking it apart, the device features built-in cables and maintains a slim, portable profile. While release dates and full specs are still rolling out from Las Vegas, this clever modular design is a standout for anyone tired of carrying—or sharing—a single heavy brick.
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