1 SCOPE This specification applies to the following 3.0v lithium button cell CR2032 made by 2. RATINGS TABLE I: ITEM UNIT SPECIFICATIONS CONDITIONS Nominal voltage V 3.0 Standard discharge Nominal capacity mAh 235 Standard discharge Instantaneous short-circuit mA Time 0.5second current 300 Off-load voltage V Unit cell 3.20 Storage temperature 0-35 Standard weight g 3.0 Unit cell Initial 200 Continuous discharge h Service with load 3 k ,till output After 12 196 h 2.0v end-voltage at months storage 20-25 TABLE II: ITEM CONDITIONS CHARACTERISTICS Self-discharge Stored for 12 months at normal rate temperature, then continuously Less than 2% discharged with 15 k load till 2.0v end-voltage 3. PERFORMANCE AND TEST METHODS Unless otherwise stated, all the testing is carried out under the condition: environmental temperature,20 -25 environmental humidity,65 20%.4. SUGGESTIONS AND CAUTIONS 4.1 Install batteries correctly 4.2 Ensure the contact points to be clean and conductive 4.3 Do not mix different types, different brands batteries to serve together 4.4 Do not heat, recharge the batteries 4.5 Do not dispose of the batteries in fire 4.6 Keep away form the small children, if swallow promptly see doctor 4.7 Pay attention to the producing date TABLE III: ITEM TEST METHODS STANDARED NO Diameter 20.0(-0.15)mm Using vernier caliper(accuracy0.02) while 1 Dimensions Height 3.20(-0.20)mm avoiding short-circuit Off-load Using multimeter(accuracy 2 voltage 3.20V 0.25%)internal resistance1M Instantaneous Time of short-circuit should be less than 3 Short-circuit 0.5 300mA current Second and avoid repeated test within half An hour 4 Appearance Eyeballing Bright ,clean, no rust, no leakage, And no flaw Continuously discharge for 8 hour with 5 Capacity load 200h 3k ,temperature at 20-25 ,humidity at 65 20% till 2.0v end-voltage(for fresh battery only: within 3 months) Put battery on the platform of the 6 Vibration test vibrations Characteristics keep Machine, start the machine and adjust the stability Frequency form 10 times per minute to 15 Times per minute. keep it running for an hour