Smartphone makers have been steadily increasing battery capacities in recent months. March 2026 will see a handful of phones with huge batteries, including the Honor Magic V6, which offers one of the largest batteries on a foldable phone. Some other models even cross the 9,000mAh and 10,000mAh thresholds, signalling a clear industry shift toward longer battery life. Here’s a look at the phones with huge batteries that have launched or are expected to arrive in March 2026.
11Vivo X300 FE – 6,500mAh
The Vivo X300 FE recently went official quietly in Russia last week. The device packs a 6,500mAh battery, which is quite large considering its compact form factor. It features a 6.3-inch display and is powered by the Snapdragon 8 Gen 5 chipset, making it a powerful yet relatively small smartphone with impressive battery capacity.
