The OnePlus Open 2 might have a huge battery, and not just for a foldable Android AuthorityOnePlus Open 2 just tipped for a massive upgrade that beats Galaxy Z Fold 6 Tom’s GuideOnePlus Open 2 rumored to pack the biggest battery on any foldable NeowinOnePlus Open 2 may use 6000mAh battery with new Snapdragon chip Android Headlines