can
Support fast charging chargers, you can charge slow charging mobile phones. When the charger enters the fast charge mode, it needs to identify the fast charge protocol and output the corresponding voltage according to the protocol. If no protocol is detected, the standard 5V voltage is output.
No, because the voltage is very high, the fast charger can not charge the slow charge mobile phone, because the voltage reaches 12 volts, the voltage will cause the charger and the battery to withdraw, and the consequences of damage can be made
Can not model specifications power different