1.Thank you very much to buy our products, our company promises warranty 12 months, battery has any quality problem, within 12 months, we will be free for the buyer to send a new battery. 2.100% original chensuper new and high quality battery. 3.Capacity: 10000mAh 4.Voltage: 3.8V 5.Type: Li-ion 6.Compatible: For oukitel c10 7.Security and environment: Double protection functions.Double IC and PCB electric board protect charge discharge and short circuit. 8.Our battery is the same size with original battery. 9.One year warranty 10.Package Includes: 1 x Genuine battery+A small gift