1.100% new from manufacturer, every battery has passed factory testing, grade A cells ensure fast charges and low power consumption. 2.built-in circuit protection ensures both safety and stability. CE/FCC/RoHS Certified for safety. 3.Welcome to email us if you have any issues, questions or concerns, we promise to resolve the problem within 24 hours. 4.30 Days Money Back and 12 months Warranty. 24 x 7 email support
