Hover Lites Rc Helicopter What Kind Of Charger Do I Need For Ni-MH AAA Battery Pack 650mah 7.2 V?

What kind of charger do I need for Ni-MH AAA battery pack 650mah 7.2 V? - hover lites rc helicopter

This battery is for Hover Lites RC Helicopter and the charger is not found after the move.