All our products are Certified by BIS (Bureau of Indian Standart) CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety.
Operation time for standard batteries(6-cell, 4000mah): Around 2 hours, the actual operation time will depend on how much electricity is required by the device and how you use it. 24 x 7 email support,
1 Year warranty (7 days money back guarantee) by World It Hub.