From the manufacturer
Warp Charge 30T
18% faster than Warp Charge 30, The all-new Warp Charge 30T charges the OnePlus 7T’s 3800 mAh battery to 70% in just half an hour
Designed to encourage healthy screen-time balance, allows users to temporarily disable some notifications and apps. Zen Mode features additional personalization and flexibility, with the ability to adjust the time duration from 20 to 60 minutes.