Constant-current discharge parameter Unit：A（25℃）

Constant-current discharge parameter Unit：W（25℃）

6-FM-18Ah Valve-regulated Lead Acid BatterySpecification

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Sunbright Power Co.,LTD.Sunbright Power Co.,LTD.Sunbright Power Co.,LTD.Sunbright Power Co.,LTD.

12V6 Cells3~5 Years

18Ah14.9Ah10.6h

14.4 14.9V～

-30mV/℃13.6 13.8V～

-20mV/℃

℃0 40～

- ～15 50℃

- ～15 40℃

8.Self-discharge

Battery Construction

5.Charge Method: constant-voltage charging at 25 77 F℃（ ）°

7.Inner Resistance&Max. Discharge Current

6.Environment Temperature Requirements

Discharge TemperatureCharge TemperatureStorage Temperature

3 Of the capacity per month at 25 77 F% ℃ � �°

Capacity after 3 month storageCapacity after 6 month storageCapacity after 12 month storage

General Features

ComponentPositive plateNegative plateContainerCoverSafety valveTerminalSeparatorElectrolyte

MaterialLead dioxideLeadABSABSRubberCopperAGM glassSulfuric acid

Maintenance freeConvenient for installationSafety and no leakageExcellent recharge and discharge performanceLow self-discharge rate,charge each standby 6 months, temperature 25℃Adapt to high or low temperatureGood deep discharge performanceLonger cycle lifeUL approval

Performance Characteristics

Dimensions mm（ ） 3D Model Review

1.Dimension and weight

LengthWidthHeightTotal HeightReference Weight

2.Functional Parameter

3.Rated Capacity at 25 77 F℃（ ）°

Rated VoltageNumbers of cellsDesigned Life

20 hr rate 0.05C 10.8V（ ， ）

（ ， ）5 hr rate 0.165C 10.8V（ ， ）1 hr rate 0.55C 10.5V

4.Capacity affected by Temperature 2( )0hour rate

℃ °(104 F)(77 F)℃ °

(32 F)℃ °

(5 F)℃ °

40250-15

103%%100

%85%65

91%%82%64

Cyclic useMaximum charging currentTemperature CompensationFloat UseTemperature Compensation

5.4A

181mm77mm167mm167mm5.3kg

F.V/Time 5min 10min 15min 20min 30min 45min 1h 3h 5h 10h 20h

1.80V/cell 46.00 33.60 26.30 22.30 17.20 12.50 10.10 4.51 2.98 1.67 0.90

1.75V/cell 51.90 37.00 28.80 24.00 17.90 13.00 10.60 4.59 3.06 1.72 0.91

1.70V/cell 57.10 40.30 30.70 25.20 18.60 13.50 10.90 4.72 3.14 1.75 0.93

1.65V/cell 63.00 43.50 32.70 26.80 19.60 13.80 11.20 4.92 3.22 1.79 0.94

1.60V/cell 69.50 47.20 34.90 28.50 20.70 14.40 11.30 5.07 3.33 1.81 0.95

F.V/Time 5min 10min 15min 20min 30min 45min 1h 3h 5h 10h 20h

1.80V/cell 83.20 61.40 48.50 41.40 32.30 23.80 19.50 8.74 5.82 3.31 1.78

1.75V/cell 91.80 66.40 52.30 44.10 33.20 24.50 20.30 8.86 5.95 3.39 1.80

1.70V/cell 98.30 70.70 55.10 46.00 34.40 25.40 20.80 9.09 6.09 3.46 1.83

1.65V/cell 106.90 75.60 58.10 48.50 36.00 25.80 21.20 9.44 6.24 3.52 1.85

1.60V/cell 115.20 80.20 61.10 51.10 37.70 26.70 21.30 9.68 6.42 3.56 1.86

We are an ISO9001 certified organization. And the products are approved by CE & UL. The nominal voltageof this series is 12V and 6V. And the capacityranges from 1.2Ah to 24Ah. Their typical applications include:emergency lighting systems, electricity power supply systems, communication systems, UPS systems,starting systems,solar systems etc.

181181

7777

167

167

A fully charged battery at 25 77 F℃ � �°

Max. Discharge Current17mΩ

270A (5s)Short Circuit Current 900A

SUNBRIGHT POWER CO.,LTD.

Valve RegulatedLead-acid Battery

6-FM-18

Nominal Voltage:12VNominal Capacity:18Ah/20HR

Float 13.6 13.8Charging Voltage for Use: ~ VCharging Voltage for Cycle Use: ~ V14.4 14.9

Charging Current: A� 5.4

ADD:No.18,Keji Road,Science&Technology Industry Zone,Ninghai,Zhejiang,China,315600

Tel:+86-574- Fax:+86-574-88111982 56655050

E-mail:

Http://www.sbb-battery.com

sale@sbb-battery.com

Discharge Time Min（ ）

1200600

0.1C0.0525C

0.2C0.6C

1C

3C

2.2

2.4

2.3

2.5

2.6

6.6

6.9

7.2

7.5

7.8

13.2

13.8

14.4

15.0

15.6

10 20 30 40 50 600-10

Relationship between Charging Voltage and Temperature

Ambient Temperature(℃)

Cycle Use

Standy Use

6.5

6.0

5.5

5.0

4.5

4.0

3.5

ADD:No.18,Keji Road,Science&Technology Industry Zone,Ninghai,Zhejiang,China,315600

Tel:+86-574- Fax:+86-574-88111982 56655050

E-mail:

Http://www.sbb-battery.com

sale@sbb-battery.com

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50

60

70

80

90

100

120

200 400 600 800 1000 12000

Number of Cycles

100 DOD％ 50 DOD％ 30 DOD％

Cycle Life in Relation to Depth of Discharge

Sunbright Power Co.,LTD.Sunbright Power Co.,LTD.Sunbright Power Co.,LTD.Sunbright Power Co.,LTD.

25℃

2 4 6 8 10 12 14 16 18 20 22 24

80

60

40

20

15

14

13

12

110.05C

0.15C

0.2C

0.25C

6-FM-18Ah Valve-regulated Lead Acid BatterySpecification