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Realme's 125W fast charging tech announced, to be available in India

Realme says its 125W UltraDart technology can charge a 4000mAh battery fully in 20 minutes, same as what Oppo claimed.

twitter-logoShubham Verma | July 16, 2020 | Updated 11:38 IST


  • Realme has launched its own version of 125W fast charging called UltraDart.
  • The tech is claimed to charge a 4000mAh battery fully in 20 minutes.
  • The 125W UltraDart technology is coming to India, Realme has said.

Realme has launched the 125W fast charging technology repackaged as 125W UltraDart. The announcement comes a day after Oppo unveiled the world's first 125W fast charging (called 125W Flash Charge) method for smartphones. Essentially, both are the same technology with different names for different brands, which means it will work similarly on Oppo and Realme smartphones. Realme claims the technology can charge 33 per cent of a 4000mAh battery in three minutes. Oppo used the same parameters for its charging tech.

The 125W UltraDart aka 125W Flash Charge technology has more results to boast of its charging speed. At its launch, Oppo said the technology can fill 40 per cent of a 4000mAh battery in 5 minutes - which is in line with what Realme claims. Realme (and Oppo) said a 4000mAh battery can be topped by the technology in 20 minutes. The technology can fill an empty battery in three minutes, enough for the smartphone to turn on. "This also helps users to charge their mobiles during brief intervals, so that they can be ready to move whenever they want without worrying about battery life," said Realme.

For achieving such as high charging speed, the charger, the cable, and the battery need to be completely overhauled, in addition to other preventive measures. Realme has said it had to provide a control that keeps the temperature under 40-degree Celsius to its technology to ensure smart and safe charging speed. The temperature control is a bottleneck for the technology that could otherwise fully charge the 4000mAh battery in 13 minutes, per the company.

The new standards will arrive with the technology first on Oppo and Realme smartphones sometime later this year. Realme has also said it will bring the 125W UltraDart technology to India.

For a technology that sits atop others in the industry, it is likely only the flagship smartphones will get it. But Realme is making its 125W UltraDart technology available to all price segments. This could mean the charging tech could be available in the mid-range. Realme has previously given high-end features such as 90Hz refresh rate on displays of budget smartphones in India. So it is likely a mid-range or budget smartphone could also feature the 125W UltraDart technology in addition to the high-end ones.

Realme has said its 125W UltraDart technology will arrive with 5G smartphones and that they will soon enter mass production. This means the company is launching the 125W UltraDart tech on a 5G phone first.

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