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January 20, 2026

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The OnePlus 13 was a standout telephone that earned a uncommon 5/5 overview rating from Android Central, and delivered extra at a lower cost level than even the Samsung Galaxy S25 Extremely. OnePlus proceeded to lose its method with the OnePlus 15, leaning too onerous into battery life and gaming efficiency on the costly of sturdiness. The OnePlus 13 was a well-rounded telephone that excelled in efficiency, show high quality, digicam {hardware}, and battery life, however the OnePlus 15 tossed that id apart.

The OnePlus 15’s specs had been perplexing as a result of the OnePlus 13 was already a long-lasting flagship telephone. It had a 6,000mAh battery capability with assist for quick charging and a Qualcomm Snapdragon 8 Elite processor. After all, many people will not say no to extra battery, however increasing capability should not come on the expense of different options. On this case, the OnePlus 15’s gargantuan 7,300mAh battery capability and gaming focus did come on the costly of different areas, like show high quality and digicam efficiency.

OnePlus won’t be studying from its mistake, if this OnePlus 16 rumor is any indication. A put up from OnePlus Membership on X (previously Twitter) claims that the OnePlus 15’s successor will sport a next-generation Glacier Battery with a fair increased capability. Particularly, the rumor claims the OnePlus 16 could have a capability “approaching 9,000mAh.” Particulars are sparse, and it is unclear what the precise battery capability of the OnePlus 16 is likely to be.

OnePlus 16 will probably be geared up with next-generation Glacier Battery with a capability approaching 9,000mAh pic.twitter.com/kxq1wpSKx7January 18, 2026

Nonetheless, if true, the OnePlus 16’s rumored high-capacity battery might spell unhealthy information for the remainder of the flagship smartphone.

OnePlus makes use of a number of methods to cram high-capacity battery cells into comparatively small smartphones. The model employs what it calls a Glacier Battery, which is a high-density, silicon-carbon battery developed in collaboration with CATL, a number one battery producer. This expertise helps OnePlus match giant batteries into small packages whereas managing thermals. OnePlus additionally splits giant total batteries into smaller dual-cell designs on telephones just like the OnePlus 15.

However even when utilizing silicon-carbon battery chemistry and Glacier Battery designs, there are limits to how small a smartphone battery can get at excessive capacities. If the OnePlus 16’s battery capability will really strategy 9,000mAh in dimension, it is affordable to count on these cells to take up more room contained in the telephone. It is potential that OnePlus may need to make related compromises on the OnePlus 16 to hit this goal because it did on the OnePlus 15 this technology.

It is very early within the OnePlus 16 rumor cycle, and the whole lot is up within the air. Latest leaks have pointed to the OnePlus 16 course-correcting OnePlus’ errors with the OnePlus 15. It has already been billed because the most well-rounded OnePlus telephone in years. The OnePlus 16’s rumored ~9,000mAh battery capability might are available pure battle with that chance.