FT009 7.4V 2800mAh Battery(Double Play time than original battery) & FT009 Battery Charger
Adaptable voltage: 110V-240V
Charger time:about 360 minutes
Serviceable Time: about 12 to 15 mins(orginal is about 6 mins)
PS:The charger type may be flat and round. Both will works in US,if you got the European style charger and unsatisfied with that, contact us, we will send a US style one.