5A fast charge is not supported.
The iPhone 11 supports wired fast charges of up to 18W, but requires a power adapter of 20 watts or more, which can be charged up to 50% in 30 minutes.
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iPhone 11 battery life: up to 17 hours of video playback, or up to 10 hours of streaming; Or up to 65 hours of audio playback; And support 7.5W Qi wireless charging, the above data are official data.
Support him, up to 18 watts of fast charge.