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Oppo K5 is powered by the Qualcomm Snapdragon 730G processor with 6 or 8 GB of RAM and 128/256 GB of storage, packing a 4000mAh battery with VOOC 4.0 30W fast charging, which can charged from 0 to 67% in 30 minutes and fully charged in 73 minutes.
VOOC (Voltage Open Loop Multi-step Constant-Current Charging) is a fast charging method for Oppo phones unveiled in 2014. [ 18 ] [ 19 ] [ 20 ] VOOC comes in a few variations: VOOC 2.0 (2015), same as the first version that was introduced in 2014, which operates at 5V/4A.
Oppo VOOC, also branded as "Dash Charge" for the subsidiary "OnePlus", as well as SuperCharge by Huawei, have taken the counter approach by increasing the charging current. Since the voltage that arrives at the end device matches the optimum battery charging voltage, no conversion inside the end device is necessary, which reduces heat there.
Qualcomm claims Quick Charge 3.0 is up to 4–6 °C cooler, 16% faster and 38% more efficient than Quick Charge 2.0, and that Quick Charge 3.0 with Dual Charge+ is up to 7–8 °C cooler, 27% faster and 45% more efficient than Quick Charge 2.0 with Dual Charge. [4] Quick Charge 4 was announced in December 2016 for the Snapdragon 835 and later ...
To achieve the fastest charging speed, it uses proprietary OnePlus's technology, Super VOOC 100W. Those in United States are supplied with 80W variant due to the country limitation on voltage socket. Average charging speed to full capacity is around 25 minutes using global proprietary charger. [10]
The Oppo F9 (F9 Pro in India) is the 2018 smartphone from the Oppo F series launched in August 2018. [1] The Oppo F9 features a waterdrop notch design, and is equipped with VOOC fast charging technology. [2] It has a screen to body ratio of 90.8%. Varun Dhawan was hired as the brand ambassador of Oppo India’s F19 series smartphones. [3]