Next-gen smartphones are pushing the boundaries in battery technology. Some manufacturers are going all in, bringing a wave of devices with massive battery capacities designed for improved endurance. Whether you’re a mobile gamer, heavy user, or someone who just wants a phone that won’t die before bedtime, we’ve got a list of some of the smartphones with the biggest batteries. From 6,000mAh champs to 8,000mAh beasts, here’s a look at the latest models that are setting new standards for battery life.
1. Honor Power
Leading the pack, we have the Honor Power. This budget smartphone was just announced earlier this week in China, bringing the biggest battery ever in a smartphone for the broad audience. The device isn’t just a quirky project, packing a ridiculous 8,000mAh cell. To put things into perspective, this is larger than the battery that powers the 2025 iPad Air. The Honor Power also supports 66W wired fast charging.
2. iQOO 13
The iQOO 13 is a flagship grade model that packs a sizeable 6,150mAh battery pack. It was announced with Qualcomm’s fastest and most power efficient Snapdragon 8 Elite, so users can expect a great battery life overall. This model also offers an impressive 120W wired fast charging.
3. iQOO Z10 & iQOO Z10x
Earlier this week, iQOO unveiled two new smartphones with massive batteries like the iQOO Z10 and iQOO Z10x. The more affordable Z10x packs a sizeable 6,500mAh battery pack with support for 44W wired fast charging. Meanwhile, the iQOO Z10 is powered by a humongous 7,300mAh cell that offers 90W wired fast charging. These were just announced in India, bringing smartphones with some of the largest batteries in the region.
4. Vivo Y39
The Vivo Y39 is a great pick for people on a tight budget. This smartphone arrives with a sub-$250 price tag. But despite its affordability, the new budget phone from Vivo houses a large 6,500mAh battery pack that supports 44W wired fast charging.
5. Oppo F29
Chinese brands dominate the large battery smartphone segment across various budgets. We have already covered budget and flagship models with the Oppo F29 being a mid range model. You get a 120Hz AMOLED display, 8GB of RAM, Snapdragon 6 Gen 1, and a big 6,500mAh battery that supports up to 45W wired fast charging.
6. iQOO Neo 10 Series
Back in November 2024, the iQOO Neo 10 series was announced in China with large 6,100mAh battery packs. At the time, this was quite impressive since there weren’t many models with such sizeable batteries. You get flagship grade MediaTek and Qualcomm processors along with an impressive 120W wired fast charging.
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