► Terminal Type (mm)

► Outer Diemensions (mm)

► Characteristics

► Constant Power Discharge Characteristics Unit: W (25°C, 77°F)

► Constant Current Discharge Characteristics Unit: A (25°C, 77°F)

► Construction

SSB12V - 26AH

► Specifications

ComponentComponent Positive plate Negative plate Container Cover Separator Electrolyte Safety valve TerminalRaw material Lead dioxide Lead ABS ABS AGM Sulfuric acid Rubber Copper

166± 2mm(6.54inch)

175± 2mm(6.89inch)

125± 2mm(4.92inch)

125± 2mm(4.92inch)

8.05 kg(17.4lbs)± 4%

Nominal Voltage

Total Height

Height

Length

WidthDimensions

Approx. Weight

12V

Rated capacity (20 hour rate) 26Ah

M5 BOLT&NUT

φ 6

14

2

14

φ 12

2

M5× 15

T4 T12

Capacityaffected by

temperature(20HR)

Terminal type

Internal resistance(Fully charged,25℃)

Capacity (25℃)

20HR(10.5V) 26Ah

24Ah

16Ah

T4/T12

102%

100%

85%

65%

10HR(10.5V)

1HR(9.60V)

Approx.12m Ω

40℃25℃0℃

-15℃3 months

6 months

12 months

Remaining Capacity:91%

Remaining Capacity:82%

Remaining Capacity:65%

Self-discharge (25 )℃

Nominal operating temperature

Operatingtemperature

range

Discharge

Charge

Storage

Float charging voltage(25 )℃

Cyclic charging voltage(25 )℃

Maximum charging current

Maximum discharge currentDesigned floating life(20 )℃

25 3 (77℃± ℃ ± 5 )℉ ℉

-15 (5 ~℃~50℃ 122 )℉ ℉-10 (14 ~℃~50℃ 122 )℉ ℉-20 (-4 ~℃~50℃ 122 )℉ ℉

13.50 to 13.80VTemperature compensation:-18mV/℃

7.8A

360A(5 sec.)

5 years

14.50 to 15.00VTemperature compensation:-30mV/℃

F.V/Time

9.60V9.90V10.2V10.5V10.8V

97.394.490.586.681.8

61.759.857.354.951.8

48.247.045.343.741.4

27.126.625.825.224.2

16.716.416.015.715.2

9.329.269.189.048.81

6.446.416.366.326.13

5.335.305.265.235.07

4.534.514.484.454.31

2.462.452.442.432.38

1.321.311.311.301.27

5min 10min 15min 30min 60min 2h 3h 4h 5h 10h 20h

F.V/Time

9.60V9.90V10.2V10.5V10.8V

108610541010967912

696675647619584

549536516498472

311305295288278

193190186182176

109108107106103

76.676.175.675.172.8

63.563.162.762.260.4

54.153.853.553.151.5

29.529.429.329.128.5

15.815.815.715.615.3

5min 10min 15min 30min 60min 2h 3h 4h 5h 10h 20h

166±2 175±2

125±

2

SSB 12V - 26AH

► Discharge Characteristics (25°C) ► Charging Characteristics (25°C)

► Self-Discharge Characteristics► Temperature effects on Capacity

► Cycle Life on D.O.D (25°C)► Floating Life on Temperature

► The Relationship for Charging Voltage and Temperature► The Relationship for OCV and Capacity (25°C)

www.vrla.com.tr

Number of cycles (cycles)

80

400

20

0 200

40

60 100% D.O.D.

600 800

50% D.O.D.

100

120

1000 1200 1400

Cap

acity (

%)

30% D.O.D.

-10 0 10 20 30 40 50 60

Cycle Use

Floating Use

13.2

13.8

14.4

15.0

15.6

Temperature(℃)

Volta

ge ( V)

Discharge time

Volta

ge (V

)

3C 2C 1C 0.6C

0.3C0.2C 0.1C 0.05C

min

1 2 5 10 20 30 60 2 3 5 10 20 303

13.0

12.0

11.0

10.0

9.00

8.00

Residual Capacity (%)0 20 40 60 80 100

Ope

n C

ircui

t Vol

tage

(V)

12.0

11.0

13.0

11.5

12.5

13.5

(25 C/77 F)

Charging time(hours)

0 2 4 6 8 10 12 14 16 18 20

Charged volume

Charge voltage

Charging current

50% Discharge

100% Discharge

12.0

11.0

13.0

14.0

15.0

0.05

0.10

0.15

20

40

60

0.20

0.25

140

80

100

120

Volta

ge

00

(V)

Curre

nt

(CA)

Char

ged

(%)

Volu

me

0

20

40

60

80

100

120

1C

0.25C

0.1C0.05C

Cap

acity

(%

)

-20 -10 0 10 20 30 40 50

Temperature (℃)

40 C 30 C 20 C

Capa

city (

%)

Storage time(months)0

40

50

60

70

80

90

100

2 4 6 8 10 12 14 16

2.30V/Cell

Temperature(℃)

Life

(yea

rs)

0.5

5

15

10 20 30 40 50 60

10