Number of imported welding equipment number of processing equipment production line processing 20 types of welding foot processing Processing methods OEM processing processing equipment and raw material processing capacity of 20,000 5 quality certification standards MSDS lead-free manufacturing process to provide a battery manufacturer, button cell spot welding When No. Test Item Test Method Standard 1 dimensions with an accuracy better than 0.02mm vernier caliper test, in order to prevent short-circuits, caliper end the chuck should be affixed a layer of insulating material diameter 20.0 (-0.15) mm height 3.2 (-0.30 when) the accuracy of the open circuit voltage multimeter mm 2 is not less than 0.25%, the internal resistance greater than 1MΩ ≥3.25 V 3 transient short-circuit current with a multimeter test, each time not more than 0.5 second and avoid repeated test, For the test again, time It should be more than half an hour interval ≥250 mA 4 Appearance visual appearance of smooth, clean, no rust 5 discharge capacity at the temperature of 20 ~ 25 ℃ and humidity of 65 ± 20% of the placement of more than eight hours, the load 15KΩ, termination voltage of 2.0V in the case of discharge duration of the measured capacity (AFP: within three months after production) ≥1000 h 6 Vibration drop test sample on the eligibility vibration machine vibration table, start vibration, vibration frequency 10-15 beats / min, continued for an hour Characteristics keep stability 7 Leakage at high temperature under 45 ℃ storage 30 days leakage rate ≤1% 8 discharge resistance leakage test after the battery termination voltage reaches 2.0V, 5 hours continuous discharge without leakage