CR2032 Button Cell Battery

ITEM

UNIT

SPECIFICATIONS

CONDITIONS

Nominal voltage

V

3.0

Standard discharge

Nominal capacity

mAh

210

Standard discharge

Instantaneous short-circuit current

mA

≥300

Time≤0.5second

Off-load voltage

V

3.25 – 3.60

Unit cell

Storage temperature

°C

0 - 40

Unit cell

Apply temperature

°C

-20 - 70

Unit cell

Standard weight

g

2.85

Unit cell

Service

output

Initial

h

200

Continuous discharge with load 3 kΩ,

till 2.0v end-voltage at 20-25°C

After 12 months storage

h

196

     ITEM

    CONDITIONS

   CHARACTERISTICS

Self-discharge

rate

Stored for 12 months at normal temperature, 

then continuously discharged with 15 kΩ load till 2.0v end-voltage

Less than ≤2%

NO.

ITEM

TEST METHODS

STANDARED

1

Dimensions

Using vernier caliper (accuracy≥0.02)

while avoiding short-circuit

Diameter

20.0

(-0.15)

mm

Height

3.20

(-0.20)

mm

2

Off-load voltage

Using multimeter (accuracy≥0.25%)

internal resistance≥1MΩ

≥3.20V

3

Instantaneous

Short-circuit

current

Time of short-circuit should be less than 0.5 Second and

avoid repeated test within half an hour

≥300mA

4

Appearance

Eyeballing

Bright,

clean,

no rust,

no leakage,

and no flaw

5

Capacity

Continuously discharge for 8 hour with load 3kΩ,

temperature at 20-25°C,

humidity at 65±20% till 2.0V end-voltage

(for fresh battery only: within 3 months)

≥200h

6

Vibration test

Put battery on the platform of the vibrations Machine,

start the machine and adjust the frequency

form 10 times per minute to 15 times per minute.

keep it running for an hour

Characteristics

keep stability

7

Leakage at

high

temperature

Stored under temperature(45°C)for 30 days

Leakage rate≤0.5%

8

Over

Discharge

Test

After 2.0V end-voltage,

continuously discharged for 5 hours

No leakage allowed