The OnePlus Open 2 is coming at some point in 2025, so we still have a long time to wait for it. However, that hasn't stopped the rumor mill from churning up some interesting details about the upcoming foldable, including the size of its battery — slated to be enormous.
A leaker named Digital Chat Station on Weibo (via Android Authority) has claimed that OPPO and vivo are working on large foldable phones that will feature 6,000mAh batteries. This isn't only large for a foldable phone but would be a significant power cell for even the best smartphones.
In our OnePlus Open review, we were happy with the life from the smaller battery, which lasted 11 hours and 45 minutes of continuous use, with the display refresh rate set at 60Hz. That's already marginally better than the Samsung Galaxy Z Fold 6, which lasted 10 hours and 35 minutes. With an even larger battery, it'll be interesting to see how long the OnePlus Open can last if this rumor is true.
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