MagSafe External Battery, Premium, 4200mAh, w/retail package
●Simple connection, one-touch fit, wireless charging, simple and generous, precise alignment.
●Can be matched with a 27W or higher power charger to further increase the charging speed.
●When you want to use it as a wireless charger, just plug in the lightning cable to charge the device with a maximum power of 15W.
●It is recommended to use a 20W or more power USB-C power adapter and a USB-C to Lightning cable (Need to buy separately).
●It is recommended to use PD or QC 3.0 adapter.
●Input: 5V/3A; 9V/2.2A
●Output port: USB-C
●Battery capacity: 4200mah