12V-18AH

Maintenance Free 12V / 18AH

Description

12V18AH

Maintenance Free 12V / 18AH

The battery is constructed by plates,separators,safety valves and container. Since the electrolyte is held by a glass mat separator and plates,the battery can use in any direction and position without leakage.      

 Outer Dimensions18AHDimensions and WeightLength ( mm / inch )………………………….……181 / 7.73Width ( mm / inch ) …………………………..………76 / 2.99Height ( mm / inch ) …………………..…….…..…166 / 6.54Total Height ( mm / inch )……………….…..…..…166 / 6.54Approx.Weight( Kg / lbs )……………………….…5.5 / 12.10   Performance CharacteristicsNominal Voltage ……………………..…………………… 12VNumber of cell ……………………………..……………… 6Design Life …………………………………..……………. 5 yearsNominal Capacity 77°F(25°C)

20 hour rate(0.9A,10.5V) …………………….………..… 18Ah

10 hour rate(1.67A,10.5V) ……………….….…….…….. 16.7Ah

5 hour rate (3.06 A,10.5V) ………………….…..……….…15.3Ah

1 hour rate(11.6A,9.6V) ……………………..…..………… 11.6Ah

Internal Resistance

Fully Charged battery 77°F(25°C) ………….…..…….….15 mΩ

Self-Discharge

3% of capacity declined per month at 20°C(average)

Operation Temperature Range

Discharge ……………………………………..…………. -20~60°C

Charge ………………………………………..………….. -10~60°C

Storage …………………………………………………… -20~60°C

Max.Discharge Current 77°F(25°C) ……………………. 270A(5s)

Short Circuit Current …………………………………….. 1080A

Battery Constructionn

COMPONENT Positive plate Negative plate Container Cover Safety valve Terminal Separator Electrolyte
RAW MATERIAL Lead dioxide Lead ABS ABS Rubber Copper Fiberglass Sulfuric acid

Charging Methods

Application Charging method Charging Voltageat 25°C Temperature compensation coefficient of charging voltage Max.charging current Charging time25°C(h) Temp(°C)
100% discharge 50% discharge
For standby power source Constant voltage &ConstantCurrentCharging(with current restriction) 13.4-13.8V -18 mV/°C 5.4A 24 20 0~40(32~104°F)
Forcycle service 14.5-15.0V -30 mV/°C 5.4A 16 10

*Temperature compensation of charging voltage is not needed.when using the batteries within 15°C to 35°C range.

200 AH2 copyDischarge Constant Current (Amperes at 77°F25°C)

F.V/Time 5min 10min 15min 30min 45min 1h 2h 3h 5h 8h 10h 20h
9.60V 63.0 50.4 36.0 20.8 14.7 11.8 6.30 4.55 3.09 2.03 1.69 0.92
9.90V 61.2 48.6 34.2 20.3 14.6 11.6 6.25 4.53 3.08 2.03 1.69 0.92
10.20V 57.6 45.0 32.4 19.8 14.4 11.5 6.22 4.50 3.06 2.01 1.67 0.90
10.50V 50.4 37.8 30.6 18.7 14.2 11.3 6.12 4.45 3.06 2.00 1.67 0.90
10.80V 45.0 32.4 28.8 16.2 14.1 11.1 5.94 4.32 3.03 2.00 1.64 0.88


Discharge Constant Power (Watts/cell at 77°F25°C)

F.V/Time 5min 10min 15min 30min 45min 1h 2h 3h 5h 8h 10h 20h
9.60V 688 552 398 241 169 136 72.6 52.7 35.8 23.6 19.7 10.8
9.90V 660 529 376 233 166 133 72.6 52.4 35.6 23.6 19.6 10.8
10.20V 628 498 358 222 164 133 72.0 52.1 35.5 23.6 19.6 10.7
10.50V 551 420 338 208 162 131 70.8 51.5 35.5 23.3 19.4 10.5
10.80V 492 378 319 181 160 128 68.4 50.0 35.2 23.3 19.1 10.3

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