18650 Lithium Ion Battery Pack 7.4 V For Sale

- Apr 04, 2017 -

With regard to the acupuncture test, EC Power was used to study the influence of the thickness of the needle on the test results of NCM (5Ah, 120Wh/kg). There is a set of data for reference: 20mm needle, needle position temperature reached 150 degrees Celsius to 150 seconds; 10mm needle, needle position temperature reached 150 degrees Celsius to 75 seconds; 5mm needle, needle position temperature reached 150 degrees Celsius in just 2 seconds. With a fine needle, rise relatively faster in the local warm acupuncture position, more likely to cause the battery thermal runaway.

acupuncturer lithium ion battery at SNL