Short circuit,overload,overheat,low battery voltage,over battery voltage Protections.
Editorial Reviews:
Product Description Before reaching you,we test every item in 7 aspects during manufacturing,and aging EVERY item fullloaded for at least continuously 4hrs. We guarantee: competitive prices,first-rate quality,within 1 busniess day shipping and excellent service! We ship out all the orders placed by 3:30P.M PST the same busniess day!!