The Full Form of VOOC is Voltage Open Loop Multi-step Constant-Current Charging.

VOOC (Voltage Open Loop Multi-step Constant-Current Charging) is a fast charging technology developed by OPPO Electronics, first introduced in 2014. VOOC Flash Charge uses a special adapter and cables to charge devices safely at 25W without overheating. It was succeeded by SuperVOOC in 2018. Recently OPPO released a SuperVOOC car charger which has a maximum charging power of 50W, capable of charging OPPO R17 Pro to full battery in just 40 minutes. Its design takes influence from some of the fastest automobiles in the world, reminiscent of a high performance air-turbine. It costs 199RMB, which is about 30USD. And here is our teardown review.