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What do the letters F and L on the OPPO flash charging data line mean?
The letters F and L on the OPPO flash charging data line are suppliers' logos, and different suppliers have different letters. The supplier identification is F, L, E and None, but the flash charging data cable produced before February 2065438+2005 does not have the letter identification of the supplier.

VOOC flash charging is the world's first commercial fast charging scheme for mass production. Compared with other fast charging schemes, the technical threshold is higher, and VOOC flash charging requires customized adapters and batteries. OPPO has customized special adapters, batteries, data lines, circuits and interfaces, and has deeply developed intelligent all-terminal five-level protection technology for this purpose, which has improved security.

VOOC flash charging is a fast charging technology independently developed by OPPO. It has 18 patents and many authoritative certifications including Swiss IEC, which increases the fastest charging speed by 4 times and has intelligent full-terminal five-level protection.

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Development of oppo flash charging

20 14, 19 On March 9th, when the mobile phone was still charging at 5V 1A, OPPO took the lead in introducing VOOC flash charging, which innovatively changed the circuit topology and lowered the temperature. At the same time, for the first time, the five-fold protection technology from adapter to interface to mobile phone was built, which increased the fastest charging speed by more than four times.

VOOC flash charging of OPPO

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Be the first to use it on 7. As a 3000 mAh battery, OPPOFind7 uses VOOC flash charging, which can make phone calls for two hours after charging for five minutes, and the battery capacity of mobile phone can be directly charged to 75% in 30 minutes.

After half a year, the charging speed of VOOC flash charging has been improved. OPPO introduced flash charging mobile power supply and vehicle flash charging in turn, and along with OPPON3 and R5 products, VOOCmini power adapter was introduced, which doubled the size of the adapter.

Baidu Encyclopedia -VOOC Flash Charge