Teardown reveals huge dual-cell battery
When it comes to bend testing, however, there are fewer surprises. Even the plastic version does not bend, and the glass versions are likely to be similarly robust. The teardown section of the video above also explores the large and fairly easy-to-tear vapor chamber cooling system. The OnePlus 15, which is dust and waterproof up to IP69, also has a dual-cell battery on board, which explains why it can be shipped in Europe with a capacity of 7,300 mAh.