This leak is not guaranteed by the site. But it says 4,000mAh battery.
3 Colours: Slate Grey, Soft Gold and Deep Black (Deep Black only for 128gb)
Source: http://true-tech.net/oneplus/exclusive-oneplus-5-launch-4000mah-battery-3-colour-options/
New OnePlus 5 Leak Suggests 4,000mAh battery and 3 colours
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