Patented design, own brand "KP", double leakage prevention, test data is more than 10 times the national battery standard, all products are double-inspected, the test standard exceeds the national standard twice, to ensure that the factory products have zero defects, and the products have won the "ISO9001 quality system certification" ", National 3C compulsory certification, "the most popular brand of battery status display" and many other honors, reliable quality!