GEL55AH-12 FLAT PLATE GEL 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 ..................…........…. 8years
Nominal Capacity 77°F(25°C)
20 hour rate(2.75A,10.5V) ..................... 55Ah
10 hour rate(5.10A,10.5V) ..........….....…..….51.0Ah
5 hour rate (9.37A,10.5V) ..............…........46.8Ah
1 hour rate(35.7A,9.6V) .........…..…..….....…....35.7Ah
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) ...…...…....... 550A(5s)
Short Circuit Current .....................….. 1650A
Charge Methods:Constant Voltage Charge 77°F(25°C)
Cycle use .............................…14.5-15.0V
Maximum charging current ................…..…..16.5A
Temperature compensation .................…. -30mV/°C
Standby use .....................….....…13.4-13.8V
Temperature compensation .........….....…..…-20mV/°C
Dimensions and Weight
Length ( mm / inch )............…. ...…227 / 8.94
Width ( mm / inch ) ............…...…...….138 / 5.43
Height ( mm / inch ) .........….....…....206 / 8.11
Total Height ( mm / inch ).........…...….…..228 / 8.98
Approx.Weight( Kg / lbs )...….......…..…17.2 / 37.92
Battery Constructionn
Charging Methods
*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)
Discharge Constant Power (Watts/cell at 77°F25°C)
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 ..................…........…. 8years
Nominal Capacity 77°F(25°C)
20 hour rate(2.75A,10.5V) ..................... 55Ah
10 hour rate(5.10A,10.5V) ..........….....…..….51.0Ah
5 hour rate (9.37A,10.5V) ..............…........46.8Ah
1 hour rate(35.7A,9.6V) .........…..…..….....…....35.7Ah
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) ...…...…....... 550A(5s)
Short Circuit Current .....................….. 1650A
Charge Methods:Constant Voltage Charge 77°F(25°C)
Cycle use .............................…14.5-15.0V
Maximum charging current ................…..…..16.5A
Temperature compensation .................…. -30mV/°C
Standby use .....................….....…13.4-13.8V
Temperature compensation .........….....…..…-20mV/°C
Dimensions and Weight
Length ( mm / inch )............…. ...…227 / 8.94
Width ( mm / inch ) ............…...…...….138 / 5.43
Height ( mm / inch ) .........….....…....206 / 8.11
Total Height ( mm / inch ).........…...….…..228 / 8.98
Approx.Weight( Kg / lbs )...….......…..…17.2 / 37.92
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 Voltage at 25°C | Temperature compensation coefficient of charging voltage | Max.charging current | Charging time 25°C(h) | Temp (°C) | |
| 100% discharge | 50% discharge | ||||||
| For standby power source | Constant voltage & Constant Current Charging (with current restriction) | 13.4-13.8V | -20 mV/°C | 16.5A | 24 | 20 | 0~40 (32~104°F) |
| For cycle service | 14.5-15.0V | -30 mV/°C | 16.5A | 16 | 10 | ||
Discharge Constant Current (Amperes at 77°F25°C)
| F.V/Time | 5min | 10min | 15min | 30min | 45min | 1h | 2h | 3h | 5h | 8h | 10h | 20h |
| 1.60V | 193 | 154 | 110 | 63.3 | 45.1 | 35.8 | 19.3 | 14.0 | 9.46 | 6.22 | 5.17 | 2.81 |
| 1.65V | 187 | 149 | 105 | 62.2 | 44.6 | 35.5 | 19.1 | 13.9 | 9.41 | 6.22 | 5.17 | 2.81 |
| 1.70V | 176 | 138 | 99.0 | 60.5 | 44.0 | 35.2 | 19.0 | 13.8 | 9.35 | 6.16 | 5.12 | 2.75 |
| 1.75V | 154 | 116 | 93.5 | 57.2 | 43.5 | 34.7 | 18.7 | 13.6 | 9.35 | 6.11 | 5.12 | 2.75 |
| 1.80V | 138 | 99 | 88.0 | 49.5 | 42.9 | 34.1 | 18.2 | 13.2 | 9.24 | 6.11 | 5.01 | 2.70 |
Discharge Constant Power (Watts/cell at 77°F25°C)
| F.V/Time | 5min | 10min | 15min | 30min | 45min | 1h | 2h | 3h | 5h | 8h | 10h | 20h |
| 1.60V | 351 | 282 | 202 | 123 | 85.8 | 68.8 | 37.0 | 26.8 | 18.3 | 12.1 | 10.1 | 5.50 |
| 1.65V | 337 | 270 | 191 | 119 | 84.7 | 67.7 | 36.7 | 26.7 | 18.2 | 12.0 | 10.0 | 5.50 |
| 1.70V | 320 | 254 | 183 | 113 | 83.6 | 67.7 | 36.4 | 26.6 | 18.0 | 12.0 | 10.0 | 5.45 |
| 1.75V | 281 | 215 | 173 | 106 | 82.5 | 66.6 | 36.0 | 26.3 | 18.0 | 11.9 | 9.90 | 5.34 |
| 1.80V | 251 | 193 | 163 | 91.9 | 81.4 | 65.5 | 34.9 | 25.5 | 17.9 | 11.9 | 9.74 | 5.23 |