ASUS is gearing up for CES 2026 in Las Vegas, where it plans to unveil a fresh wave of products across its existing lineups. Among the most anticipated reveals is a revised version of the Zenbook DUO, a laptop that has built a strong reputation for combining a lightweight chassis with a flexible, productivity-first dual-screen approach.
Ahead of the official CES showcase, ASUS dropped a quick 22-second teaser video on X that hints at what it’s calling a “next-gen” Zenbook DUO. While the clip suggests improvements to durability, the most attention-grabbing detail is what appears to be an unusual battery layout. Instead of relying on a single battery pack—typical for most laptops, including current Zenbook DUO models—the teaser implies a dual-battery design with battery packs integrated on both sides of the device. Even more intriguing, the primary display side seems to house an additional battery, which could signal a major shift in how ASUS balances power delivery and runtime in a dual-screen laptop.
Dual-battery laptops aren’t unheard of, but they’re not common in modern ultra-portables—especially not in a sleek, dual-display design where removable batteries would be impractical. Based on what the teaser shows, the upcoming Zenbook DUO is likely using two internal battery packs rather than an internal-plus-removable setup.
What would ASUS gain from this? Potentially, significantly improved battery life. The current Zenbook DUO generation includes a 75Wh battery, with ASUS claiming up to 13 hours of use. If the next model truly adds a second battery—possibly to help power the main display or better distribute power demands between screens—it could extend usable time noticeably, particularly in real-world multitasking scenarios. One possibility is a staggered setup where the second battery is smaller, helping boost endurance without adding too much bulk. That approach could be especially important for maintaining the Zenbook DUO’s portability.
Weight will be the next big question. Today’s Zenbook DUO sits around 1.65kg, which is a key part of its appeal for commuters, students, and professionals who want a dual-screen workflow without hauling a heavy workstation. Adding another internal battery could push that number upward, though the hope is ASUS keeps the next-gen model comfortably under 2.0kg.
For now, the teaser is just enough to raise eyebrows—and expectations. With CES 2026 happening in early January, ASUS won’t have to wait long to share full specifications, battery capacity details, and whether this dual-battery approach is designed to deliver longer runtime, more consistent performance under load, or both.
