The ASUS Zenfone 3 Ultra is a monster smartphone, not just in size, but also in battery. At 4,600mAh, it also has the largest battery capacity compared to the rest of the Zenfone 3 devices. Looking at the results, the Zenfone 3 Ultra was rated at 12 hours and 2 minutes - above the Elephone P8000, but below the ASUS Zenfone 2 Laser ZE550KL. It also performed below it's smaller siblings namely the Zenfone 3 ZE552KL (3,000mAh - 13 hours, 46 minutes) and ZE520KL (2,600mAh - 12 hours, 49 minutes), but it's understandable considering that the ZF3 Ultra sports a significantly larger 6.8-inch display. It's also worth noting that Zenfone devices dominates our top 10 rankings with the Zenfone Ultra placing 9th. 9:33ASUS claims it has a battery life of 23 9:36hours, and from our experience, they're 9:38not too far off. For a fairly new ultraportable device, you'd be surprised Asus offers a fair selection of models -- the 2GB, 4Gb and 8GB models. Read more in our articles including "ASUS Zenfone 3 Ultra PC Mark Battery Result Comparison" and "Watch: ASUS Zenbook S16 (2026) Review | Ultra thin and Powerful without a dGPU !".
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Jan 7, 2009The ASUS Zenfone 3 Ultra is a monster smartphone, not just in size, but also in battery. At 4,600mAh, it also has the largest battery capacity compared to the rest of the Zenfone 3 devices.
Looking at the results, the Zenfone 3 Ultra was rated at 12 hours and 2 minutes - above the Elephone P8000, but below the ASUS Zenfone 2 Laser ZE550KL. It also performed below it's smaller siblings namely the Zenfone 3 ZE552KL (3,000mAh - 13 hours, 46 minutes) and ZE520KL (2,600mAh - 12 hours, 49 minutes), but it's understandable considering that the ZF3 Ultra sports a significantly larger 6.8-inch display. It's also worth noting that Zenfone devices dominates our top 10 rankings with the Zenfone Ultra placing 9th.
Our coverage of asus zenfone 3 ultra battery includes: "ASUS Zenfone 3 Ultra PC Mark Battery Result Comparison"; "Watch: ASUS Zenbook S16 (2026) Review | Ultra thin and Powerful without a dGPU !"; "Asus EeePC 1000: Price & Launch Date". Each article provides unique insights and information.