Safety:100% new from manufacturer, every battery has passed factory testing, grade A cells ensure fast charges and low power consumption, built-in circuit protection ensures both safety and stability. Up to 500 recharge cycles over the life of the battery
Warranty :Rest assured with 60 days Refund and 12 months Warranty;24 x 7 email support.Note: Amazon return windows will close after one month, don't worry about it, you can click on seller store on right corner “ask a question” and contact seller directly for 12 month warranty.