Chinese consumer electronics firm Meizu has claimed that its new 55W Super mCharge technology can fully charge a phone in just 20 minutes. Meizu unveiled its new Super mCharger technology at the Mobile World Congress recently. Super mCharge is rated at 55W (at 11V/5A), which is dramatically more power than the other chargers. According to Meizu, the Super mCharge will charge a smartphone till 30% in just five minutes.