PS Power Smart Battery Charger for Rechargable AA or AAA Batteries with USB charging port for smartphones, Powerbanks or other USB charging accessories Battery charger for 4 or independent rechargeable NiMH and NiCad AA and AAA batteries; with 4 modes: charge, discharge, refresh, and test Select different charging current for each channel: charge, discharge, refresh, and test. Fast charge available. Charging current:200mA/500mA/700mA/1000mA LCD display shows charging time/current/voltage/capacity Intelligent protection function(-dv detection,bad batteries detection, short circuit protection, over-heat/over-charge/over-voltage protection A 5V/1A USB output which can charge your phone