Nimble’s Champ Stack 10K: The First Power Bank You Can Actually Break in Two

Nimble has unveiled a genuinely innovative solution to the perennial problem of sharing portable power at CES 2026. The new Champ Stack 10K is a 10,000mAh battery pack that breaks apart like a chocolate bar, allowing you to share a charge without surrendering your entire device.

While it looks like a standard brick with built-in cables, the Champ Stack’s unique party trick is its modular design. By separating the unit, you split the 10,000mAh capacity into two standalone 5,000mAh banks—enough to fully revive a dead smartphone each. One half retains the built-in USB-C cable, while the other relies on the second port or your own cable. This modular approach solves the awkwardness of lending your charger and ensures you both get back to 100% without waiting for a single device to charge sequentially.