Features: 1) Nokia 3310 compatible battery 2) Two capacity models available: a) Standard model: LB-N-3310S, 900mAh b) Enhance model: LB-N-3310E, 1300mAh 3) Using Class A Li-ion battery cell, 6 months quality guarantee Origin CHINA Delivery lead time 10 days Minimum order 500 pcs Supply ability 600,000pcs/month