Charging method, Influence of temperature on trickle life, Cut off voltage – Panasonic LC-P0612P User Manual

Page 2: Residual capacity vs storage period, Discharge characteristics

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69

Valve Regulated Lead-Acid Batteries

Individual Data Sheets

Charging Method

Trickle Use

Control voltage: 6.8 - 6.9V; Initial current: 1.8A or smaller

Influence of Temperature on Trickle life

0

20

40

60

80

100

120

0

2

4

6

8

10

12

14

16

18

20

Storage Period (Month)

)

%(

oi

t

a

R

n

oi

t

n

et

e

R

yti

c

a

p

a

C

5 °C
(41 °F)

25 °C
(77 °F)

30 °C
(86 °F)

40 °C
(104 °F)

Cut off voltage

Discharge current

0.6A -

2.4A

2.4A -

6A

6A -

12A

12A -

24A

24A -

36A

Cut off voltage (V)

5.25

5.1

4.95

4.65

4.35

Residual capacity vs storage period

0

20

40

60

80

100

120

140

160

0

4

8

12

16

20

Charge Time (h)

)

%(

yti

t

n

a

u

Q

e

gr

a

h

C

0

1

2

3

4

5

6

7

8

)

V(

e

g

atl

o

V

yr

et

t

a

B

Discharge

100 % (0.05 CA*20H)
50 % (0.05 CA*10H)

Charge

Charge Voltage 6.825V
(2.275 V / Cell)
Charge Current 0.15 CA

Temperature 25 °C (77°F)

0.3

0.2

0.1

0

r

a

h

C

g

t

n

er

r

u

C

e

(

A

C

)

Battery Voltage

Charge Current

Charge Quantity (to-Discharge Quantity)

1

2

3

Constant-voltage and constant-current charge
characteristics for Trickle use

0

20

40

60

80

100

120

)

%(

yti

c

a

p

a

C

Battery temperature (°C)

-20

-10

0

10

20

30

40

50

0.05 CA
0.1 CA
0.2 CA
0.5 CA
1 CA
2 CA
3 CA

Discharge capacity by temperature
and by discharge current

2.5

3

3.5

4

4.5

5

5.5

6

6.5

7

7.5

(minute)

(hour)

0

1

20

10

5

2

40

60

2

4

6

8 10

20

40

0.6 A

1.2 A

3 A

6 A

36 A

12 A

)

V(
e

g

atl

o

v l

a

ni

mr

e

T

Duration of discharge

Discharge characteristics

0.1

1

10

100

10

20

30

40

50

0

60

Temperature (°C)

)

sr

a

e

Y(

efi

L

e

ci

vr

e

S

Charging Voltage

䚭㻃

2.275 V / Cell

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