This is a brand new replacement battery Blackview DK052 for Blackview DK052. All Blackview DK052 are brand new,1 year Warranty, 100% Guarantee Quality and Fully Test! Each Blackview DK052 Battery has passed a series of safety certifications, such as CE, UL, ROHS, ISO9001/9002. In order to protect your device and your safety, please rest assured to purchase our high-quality Blackview DK052 batteries!