Nimble has revealed a novel solution to a common first-world problem: the reluctance to share your battery. At CES 2026, the company unveiled the Champ Stack 10K, a unique portable charger designed to be snapped apart like a KitKat bar.
While it resembles a standard 10,000mAh brick with a convenient built-in cable, its party trick is modularity. When pulled apart, the single unit splits into two independent 5,000mAh power banks. This allows two users to charge their devices simultaneously without needing to carry a separate splitter or negotiate over a single port.
This design is perfect for couples or travelers who find themselves with a dead phone at the same time. One half retains the built-in USB-C cable, while the other relies on standard ports. By combining sustainability with clever engineering, Nimble ensures you never have to sacrifice your own battery life for a friend again.
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