ZTE Z665C Cell Phone Battery (Li-Ion 3.7V 1450mAh) Rechargable Battery - Replacement For ZTE 2990 Cellphone Battery (Li-ion 3.7V 1450mAh) Rechargable Battery Replacement For ZTE 2990 Cellphone Battery Made with high quality Japanese cells. 100% compatible with your OEM battery. 1 year warranty