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The OPPO VOOC (Voltage Open Loop Multi-step Constant-Current Charging)[1] Flash Charging system is a proprietary rapid-charge technology created by OPPO Electronics, which, at present, is able to charge certain OPPO devices from 0 to 75% in just 30 minutes.[2] In contrast to Qualcomm's QuickCharge technology increasing the voltage during fast charging, VOOC uses a higher current than normal USB 2.0 charging.[3] Thus, VOOC operates at 5V and 4A. For transferring higher currents of 4A, VOOC requires both a special wall adapter and special cables. The VOOC Flash Charge circuit technology reportedly lowers the temperature of the charging adapter, and creates an interface from the adapter to the phone, which improves the speed and safety of the charge.[4]

Devices

At present, the following devices are compatible with VOOC Flash Charge:[5]

OnePlus' Dash Charge

Dash Charge for OnePlus 5

Since VOOC is a proprietary technology, only OPPO devices officially support it. But OPPO has licensed VOOC to OnePlus, which markets the same technology as Dash Charge.[7] Currently, Dash Charge is supported by the OnePlus 3, 3T, 5 and 5T, claiming to charge "a day's power in half an hour".[8]

References

  1. ^ "Archived copy". Archived from the original on April 2, 2015. Retrieved March 27, 2015. ((cite web)): Unknown parameter |deadurl= ignored (|url-status= suggested) (help)CS1 maint: archived copy as title (link)
  2. ^ "[LYTV] Oppo Find 7a VOOC vs Regular Charging Demo - Lowyat.NET". www.lowyat.net. Retrieved 2017-04-11.
  3. ^ "VOOC fast charging - everything you need to know". Android Authority. 2016-04-23. Retrieved 2017-04-11.
  4. ^ Martin, Taylor (2014-05-20). "Every smartphone needs rapid charging". Pocketnow. Retrieved 2017-04-11.
  5. ^ "OPPO VOOC Flash Charge, Quick Charge - OPPO Global - OPPO Global". www.oppo.com. Retrieved 2017-04-11.
  6. ^ "OPPO R11 support VOOC Flash Charge". www.oppo.com. Retrieved 2017-06-10.
  7. ^ "Dash Charge for OnePlus 3 explained | Android Central". www.androidcentral.com. Retrieved 2017-04-11.
  8. ^ "OnePlus 3T". oneplus.net. Retrieved 2017-04-11.
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