Lenovo S850

The battery noted in the FCC docs is a lenovo BL220 (3.8V, 2150mAh, Li-ion).

The WLAN/BT antenna would appear to be located at the top left corner of the unit. The WWAN antenna is on the bottom.

Probable used PSU(s)
The power supply noted in the FCC test report is a a lenovo C-P56. It's presumed to be a standard USB charger (and the connector on the phone is presumed to be Micro B).