China Sh4.5ah-12 Maintenance Free UPS Storage Battery for Solar System

SH4.5AH-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 ..................…........…. 5 years
Nominal Capacity 77°F(25°C)
20 hour rate(0.225A,10.5V) ..................4.5Ah
10 hour rate(0.42A,10.5V) ..........….......... 4.2Ah
5 hour rate (0.77A,10.5V) .........….…..….......…3.85Ah
1 hour rate(2.93A,9.6V) ............…..….....…...2.93Ah
Internal Resistance
Fully Charged battery 77°F(25°C) .......…......….50 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) ...…...…....... 67.5A(5s)
Short Circuit Current .....................….. 225A
Charge Methods:Constant Voltage Charge 77°F(25°C)
Cycle use .............................…14.5-15.0V
Maximum charging current ................…..…..1.36A
Temperature compensation .................…. -30mV/°C
Standby use .....................….....…13.4-13.8V
Temperature compensation .........….....…..…-20mV/°C
Dimensions and Weight
Length ( mm / inch ).............….…......90 / 3.50
Width ( mm / inch ) ............…...…......…70 / 2.72
Height ( mm / inch ) .........….....…..…. 106 / 4.17
Total Height ( mm / inch ).........…........….106 / 4.17
Approx.Weight( Kg / lbs )...….........…..…1.45/ 3.30
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/°C1.35A24200~40
(32~104°F)For
cycle service14.5-15.0V-30 mV/°C1.35A1610

*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/Time5min10min15min30min45min1h2h3h5h8h10h20h1.60V15.8 12.6 9.00 5.18 3.69 2.93 1.58 1.14 0.77 0.51 0.42 0.23 1.65V15.3 12.2 8.55 5.09 3.65 2.90 1.56 1.13 0.77 0.51 0.42 0.23 1.70V14.4 11.3 8.10 4.95 3.60 2.88 1.55 1.13 0.77 0.50 0.42 0.23 1.75V12.6 9.45 7.65 4.68 3.56 2.84 1.53 1.11 0.77 0.50 0.42 0.23 1.80V11.3 8.10 7.20 4.05 3.51 2.79 1.49 1.08 0.76 0.50 0.41 0.22

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

F.V/Time5min10min15min30min45min1h2h3h5h8h10h20h1.60V28.723.016.610.07.025.633.022.201.490.990.820.451.65V27.522.115.79.686.935.543.012.181.490.980.820.451.70V26.220.714.99.236.845.542.982.171.480.980.820.451.75V23.017.514.18.696.755.452.942.151.480.970.810.441.80V20.515.813.37.526.665.362.852.081.460.970.800.43

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