China Sh38ah-12 Rechargeable Deep Cycle Free Maintenance AGM Battery

SH38AH-12 AGM VRLA 12VDC BATTERY
The battery is constructed by plates,separators,safety valves and container.
Since the electrolyte is held by a glassmat separator and plates,the battery can use in any direction and position without leakage.
Performance Characteristics
Nominal Voltage .......................... 12V
Number of cell ...............…........…... 6
Design Life ..................…........…. 8 years
Nominal Capacity 77°F(25°C)
20 hour rate(1.90A,10.5V) ................... 38Ah
10 hour rate(3.54A,10.5V) ..........….....…..….35.4Ah
5 hour rate (6.48A,10.5V) ..............….........32.4Ah
1 hour rate(24.7A,9.6V) ..............….....….... 24.7Ah
Internal Resistance
Fully Charged battery 77°F(25°C) .......…......….10mΩ
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) ...…...…....... 380A(5s)
Short Circuit Current .....................….. 1140A
Charge Methods:Constant Voltage Charge 77°F(25°C)
Cycle use .............................…14.5-15.0V
Maximum charging current ................…..…..11.4A
Temperature compensation .................…. -30mV/°C
Standby use .....................….....…13.4-13.8V
Temperature compensation .........….....…..…-20mV/°C
Dimensions and Weight
Length ( mm / inch )............…......…197/ 7.56
Width ( mm / inch ) ............…...…...….165 / 6.50
Height ( mm / inch ) .........….....…....170 / 6.69
Total Height ( mm / inch ).........…...…..….182 / 7.17
Approx.Weight( Kg / lbs )...…...............…12 / 26.46
Battery Constructionn

COMPONENTPositive plateNegative plateContainerCoverSafety valveTerminalSeparatorElectrolyteRAW MATERIALLead dioxideLeadABSABSRubberCopperFiberglassSulfuric acid

Charging Methods

ApplicationCharging methodCharging Voltage
at 25°CTemperature compensation coefficient of charging voltageMax.charging current
Charging time
25°C(h)Temp
(°C)100% discharge50% dischargeFor standby power sourceConstant voltage &
Constant
Current
Charging
(with current restriction)13.4-13.8V-20 mV/°C11.4A24200~40
(32~104°F)For
cycle service14.5-15.0V-30 mV/°C11.4A1610

*Temperature compensation of charging voltage is not needed.when using the batteries within 15°C to 35°C range.
Discharge Constant Current (Amperes at 77°F25°C)

F.V/Time5min10min15min30min45min1h2h3h5h8h10h20h1.60V133.0 106.4 76.0 43.7 31.2 24.7 13.3 9.62 6.54 4.30 3.57 1.94 1.65V129.2 102.6 72.2 42.9 30.8 24.5 13.2 9.58 6.50 4.30 3.57 1.94 1.70V121.6 95.0 68.4 41.8 30.4 24.3 13.1 9.50 6.46 4.26 3.54 1.90 1.75V106.4 79.8 64.6 39.5 30.0 23.9 12.9 9.39 6.46 4.22 3.54 1.90 1.80V95.0 68.4 60.8 34.2 29.6 23.6 12.5 9.12 6.38 4.22 3.46 1.86

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

F.V/Time5min10min15min30min45min1h2h3h5h8h10h20h1.60V242.1194.2140.084.759.347.525.518.512.68.326.963.801.65V232.2186.2132.281.758.546.725.418.412.58.286.923.801.70V221.2175.2126.077.957.846.725.218.412.58.286.923.761.75V193.8147.8119.173.357.046.024.818.112.58.176.843.691.80V172.9133.0112.163.556.245.224.117.612.48.176.733.61

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