Realme GT Neo 5 was launched in February last year with up to 240W fast charging support. This fast-charging technology is claimed to fill the battery from zero to 100 percent in less than 10 minutes. Now, the Chinese tech brand seems to be up the ante with new charging technology. A senior Realme executive has confirmed that it is working on 300W charging for upcoming smartphone models. The company’s major rival Xiaomi already showcased its…