5 10 15 20 30 45minminminminminmin 1h 2h 3h 4h 5h 6h 8h 10h 20h

5 10 15 20 30 45minminminminminmin 1h 2h 3h 4h 5h 6h 8h 10h 20h

1.85V/cell1.80V/cell1.75V/cell1.70V/cell1.65V/cell1.60V/cell

Specifications

Dimensions

Nominal VoltageNominal Capacity 20HR

Approx WeightTerminal

Container MaterialLead MaterialSulfurid AcidSeparator

Max. Discharge Current

Internal Resistance

Nominal Operating Temp.Range

Operating Temp.Range

Cycle Use

Standby Use

Capacity affected by Temperature

Self Discharge

M6 TerminalUnit: mm (inches)

Approx 24.00 kg (52.92 lbs)M6

ABS PlasticPurity Lead 99.995%

960A (5s)

25±3°C (77±5°F]

Approx 6.1mΩ

Distilled Sulfurid Acid (Zero metal content)AGM

12 V80AH

Dimensions

Rated Capacity

Length 260±2mm (10.24 inches)Width 170±2mm (6.69 inches)Container Height 211±2mm (8.30 inches)Total Height (with terminal) 215±2mm (6.46 inches)

Discharge : -15 - 50°C (5 - 122°F)Charge : 0 - 40°C (32 - 104°F)Storage : -15 - 40°C (5 - 104°F)

Initial Charging Current less than 24.0A. Voltage14.4V - 14.7V at 25°C (77°F) Temp.Coefficient -30mV/°C

Sentry AGM series batteries may be stored for up to 6 months at 25°C (77°F) and then a freshening charge is required.For higher temperatures the time interval will be shorter.

No limit on Initial Charging Current Voltage13.5V - 13.8V at 25°C (77°F) Temp.Coefficient -20 mV/°C

84.0 AH/4.20A (20hr, 1.80V/cell, 25°C/77°F)80.0 AH/8.0A (10hr, 1.80V/cell, 25°C/77°F)68.0 AH/13.6A (5hr, 1.75V/cell, 25°C/77°F)60.0 AH/20.0A (3hr, 1.75V/cell, 25°C/77°F)44.0 AH/44.0A (1hr, 1.60V/cell, 25°C/77°F)

40°C (104°F) 103%25°C (77°F) 100%0°C (32°F) 86%

Applications

Constant Current Discharge (Amperes) at 25°C (77°F)

F.V/Time

F.V/Time

1.85V/cell1.80V/cell1.75V/cell1.70V/cell1.65V/cell1.60V/cell

Constant Power Discharge (Watts/Cell) at 25°C (77°F)

Ø 16 [0.63]

21

1±

2

21

5±

2

194±2

260±2

170±

2

Ø 16 [0.63]

6 [0

.236

]

M6 [0.236]

215.,8 161.4 138.4 117.0 90.4 55.7 55.0 32.3 23.5 19.2 16.4 14.4 10.6 8.41 4.42246.0 186.0 154.8 126.6 96.2 59.6 57.9 34.1 24.6 20.2 17.2 15.0 10.8 8.55 4.56274.4 197.4 162.0 134.7 99.0 72.7 59.0 35.4 25.1 20.7 17.6 15.3 10.9 8.85 4.69311.0 217.8 169.4 143.4 104.6 76.0 61.4 35.9 25.3 21.2 17.9 15.6 11.0 8.90 4.74321.4 225.2 171.6 151.5 107.0 79.2 63.0 36.3 25.4 21.7 18.3 16.0 11.1 8.98 4.82345.6 232.4 177.2 159.9 110.8 82.4 65.1 37.5 25.6 22.2 18.6 16.5 11.3 9.15 4.86

405.6 325.8 263.5 176.8 168.5 126.4 112.0 66.8 47.7 37.5 31.6 28.2 20.9 17.1 9.22439.4 346.4 281.4 198.5 176.5 130.2 114.6 68.0 48.6 38.4 31.9 28.6 21.4 17.8 9.28455.8 360.0 286.6 218.8 182.0 136.0 116.2 69.2 49.0 38.9 32.4 29.0 21.8 18.5 9.36490.0 376.4 298.0 240.5 188.2 145.0 117.0 70.4 49.4 39.6 32.8 29.6 22.0 18.9 9.54534.4 388.2 312.8 260.4 192.6 148.4 118.6 71.8 50.4 41.6 33.2 30.4 22.4 19.4 9.62589.2 416.0 323.5 286.6 196.4 152.9 120.0 72.3 51.0 42.8 33.9 31.3 22.8 20.5 9.72

AGMVRLA 12V80AH SA12V80C

• All purpose

• Standby Applications

• Recreation Vehicles

• Uninterruptible Power Supply (UPS)

• Electric Power System (EPS)

• Fire & Security

• Generators

• Medical Equipment

1 2 4 6 8 10 20 40 60 2 4 6 8 10 20

0 4 8 12 16 20 24 28 32 36 40

-20 -10 0 10 20 30 40 50

0 200 400 600 800 1000 1200

2 4 6 8 10 12

Discharge Time Charging Time (hours)

Temperature (°C)

Number of Cycles

Testing conditionDischarging: current 0.17CA (FV1.7V/cell):Charging: current 0.25C max, voltage 2.45V/cell;Charging volume: 125% of discharged capacity

Battery Temperature

Storage Time (Months)

No supplementary charge required(Carry out supplementary charge before use if 100% capacity is required

Supplementary charge may often fail to recover the capacity.The battery should never be left standing still this is reached.

Supplementary charge required before use. Optional charging way as follows the table charging system.

Temperature: 25°C(77°F)

0.10CA-2.25V/cell temperature 25°C

13.0

108

654

3

2

1

100

40°C 30°C

10°C

25°C80

60

40

20

0

0.52068

3086

40104

50122

Charging Voltage :2.25V / cell

°C°F

120

110

100

90

80

70

60

50

40

30

20

10

0

12.0

11.0

10.0

9.0

8.0

0.25

Charged Volume

Charge Voltage

After 50% Discharge

After 100% Discharge

Charging Current

(Constant 2.25v/cell)

7.5

7.0

6.5

6.0

5.53C 2C

1C 0.628C

0.400.2070

0.093C 0.05C 0.20

0.15

0.10

0.05

0

12VBattery (V)

ChargeVolume %

ChargingVoltage (V)

ChargingCurrent

(XCA)

Min H

120

100

80

60

40

20

0

120

100

80

60

40

20

0

100 %DOD

50 %DOD

Ambient Temperature:25°C (77°F)

30 %DOD

A

B

C

Discharge Characteristics Float Charging Characteristics

Temperature Effects in Relation to Battery Capacity Effect of Temperature on Long Term Float Life

Cycle Life in Relation to Depth of Discharge

Charging System State of Charge (SOC)

Self Discharge Characteristics

D O D

2010

15

12

16

14

20

18

8

Currency Limit (A) Constant Voltage (V) Fully ChargedTime (h)

Open CircuitVoltage(V/cell)

Open CircuitVoltage

(12V/cell)0.15C10

0.20C10

0.15C10

0.20C10

0.15C10

0.20C10

0.15C10

0.20C10

13.5-13.8 vpc (12V)6.75-6.9 vpc (6V)

2.14-2.15

2.12-2.13

2.11

2.05

2.07

2.09

12.84-12.90

12.72-12.78

12.66

12.30

6.21

12.54

6.42-6.46

6.36-6.39

6.33

6.15

12.42

6.27

60

80

90

100

50

70

13.5-13.8 vpc (12V)6.75-6.9 vpc (6V)

13.5-13.8 vpc (12V)6.75-6.9 vpc (6V)

13.5-13.8 vpc (12V)6.75-6.9 vpc (6V)

50

80

100

Open CircuitVoltage

(6V/cell)

State of Charge(% of full

charge capacity)

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