Best Phones for Battery Life
Longest-lasting flagship phones, ranked by our battery sub-score — capacity, idle drain, and active-use endurance.
Ranked by the weighted Specdex score — 0-100 composite of real-world and synthetic benchmarks.
- #1OnePlus
OnePlus 13
SD8 Elite · 6.82″ LTPO · 6000 mAh
OnePlus's 2025 flagship — Snapdragon 8 Elite, 6.82″ LTPO at 4,500 nit peak, 6,000 mAh silicon-carbon battery, 100 W wired + 50 W wireless. IP68/IP69, launched January 7, 2025.
- #2OnePlus
OnePlus 13T
SD8 Elite · 6.32″ flat OLED · 6260 mAh
OnePlus 13T squeezes a 6260 mAh battery and Snapdragon 8 Elite into a sub-$600 package — the modern flagship-killer, redefined for 2025.
- #3OnePlus
OnePlus 13R
SD8 Gen 3 · 6.78″ LTPO · 6000 mAh
The flagship-killer for 2025. SD8 Gen 3 + 6000 mAh + 80W charging at $599 — the sub-$700 Android pick of the year.
- #4Oppo
Oppo Find X8 Ultra
SD8 Elite · Hasselblad · 6000 mAh
Oppo's flagship answer to the Xiaomi Ultra — dual periscope telephotos, Hasselblad color, and one of the brightest displays you can buy.
- #5Apple
iPhone 17 Pro Max 256GB (Natural Titanium)
A19 Pro · 256GB · Natural Titanium
Apple's iPhone 17 Pro Max (256GB, Natural Titanium) — September 2025 flagship with A19 Pro.
- #6Apple
iPhone 17 Pro Max 256GB (Black)
A19 Pro · 256GB · Black
Apple's iPhone 17 Pro Max (256GB, Black) — September 2025 flagship with A19 Pro.
- #7Apple
iPhone 17 Pro Max 256GB (White)
A19 Pro · 256GB · White
Apple's iPhone 17 Pro Max (256GB, White) — September 2025 flagship with A19 Pro.
- #8Apple
iPhone 17 Pro Max 256GB (Deep Blue)
A19 Pro · 256GB · Deep Blue
Apple's iPhone 17 Pro Max (256GB, Deep Blue) — September 2025 flagship with A19 Pro.
- #9Apple
iPhone 17 Pro Max 256GB (Cosmic Orange)
A19 Pro · 256GB · Cosmic Orange
Apple's iPhone 17 Pro Max (256GB, Cosmic Orange) — September 2025 flagship with A19 Pro.
- #10Apple
iPhone 17 Pro Max 512GB (Natural Titanium)
A19 Pro · 512GB · Natural Titanium
Apple's iPhone 17 Pro Max (512GB, Natural Titanium) — September 2025 flagship with A19 Pro.
- #11Apple
iPhone 17 Pro Max 512GB (Black)
A19 Pro · 512GB · Black
Apple's iPhone 17 Pro Max (512GB, Black) — September 2025 flagship with A19 Pro.
- #12Apple
iPhone 17 Pro Max 512GB (White)
A19 Pro · 512GB · White
Apple's iPhone 17 Pro Max (512GB, White) — September 2025 flagship with A19 Pro.
- #13Apple
iPhone 17 Pro Max 512GB (Deep Blue)
A19 Pro · 512GB · Deep Blue
Apple's iPhone 17 Pro Max (512GB, Deep Blue) — September 2025 flagship with A19 Pro.
- #14Apple
iPhone 17 Pro Max 512GB (Cosmic Orange)
A19 Pro · 512GB · Cosmic Orange
Apple's iPhone 17 Pro Max (512GB, Cosmic Orange) — September 2025 flagship with A19 Pro.
- #15Apple
iPhone 17 Pro Max 1TB (Natural Titanium)
A19 Pro · 1TB · Natural Titanium
Apple's iPhone 17 Pro Max (1TB, Natural Titanium) — September 2025 flagship with A19 Pro.
Head-to-head
The two highest-ranked products compared side-by-side.
Frequently asked
What is the best smartphone right now? +
OnePlus 13 leads our Best Phones for Battery Life list. OnePlus's 2025 flagship — Snapdragon 8 Elite, 6.82″ LTPO at 4,500 nit peak, 6,000 mAh silicon-carbon battery, 100 W wired + 50 W wireless. IP68/IP69, launched January 7, 2025.
How does Specdex rank products? +
Specdex does not run benchmarks in-house. Rankings reflect editorial judgement based on manufacturer-published specs and public reviewer consensus. See the methodology page for sources and how the verdicts are formed.
How often is this list updated? +
The ranking is regenerated on every page load from our live D1 database. Scores re-calibrate whenever we add new products or firmware updates change benchmark results.