12V-70AH
Maintenance Free 12V / 70AH
Description
Maintenance Free 12V / 70AH
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 Dimensions Dimensions and WeightLength ( mm / inch )……………………….……….348 / 13.7Width ( mm / inch ) ………………………………….167 / 6.57Height ( mm / inch ) …………………..……….……178 / 8.19
Total Height ( mm / inch )……………………….….178 / 8.19 Approx.Weight( Kg / lbs )……….……………..…23.7 / 52.14 |
Performance CharacteristicsNominal Voltage ……………………..…………………… 12VNumber of cell ……………………………..……………… 6
Design Life …………………………………..……………. 5 years Nominal Capacity 77°F(25°C) 20 hour rate(3.75A,10.5V) …………………….………… 70Ah 10 hour rate(6.97A,10.5V) …………….….…….…..….69.7Ah 5 hour rate (12.78A,10.5V) ……………………..………63.9Ah 1 hour rate(48.7A,9.6V) …………………..…..…………48.7Ah 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) ……………………. 500A(5s) Short Circuit Current …………………………………….. 1125A |
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Battery Construction
Charging Methods
*Temperature compensation of charging voltage is not needed.when using the batteries within 15°C to 35°C range. |
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Discharge Constant Current (Amperes at 77°F25°C)
| F.V/Time | 5min | 10min | 15min | 30min | 45min | 1h | 2h | 3h | 5h | 8h | 10h | 20h |
| 9.60V | 263 | 210 | 150 | 86.3 | 61.5 | 48.8 | 26.3 | 19.0 | 12.9 | 8.48 | 7.05 | 3.83 |
| 9.90V | 255 | 203 | 143 | 84.8 | 60.8 | 48.4 | 26.0 | 18.9 | 12.8 | 8.48 | 7.05 | 3.83 |
| 10.20V | 240 | 188 | 135 | 82.5 | 60.0 | 48.0 | 25.9 | 18.8 | 12.8 | 8.40 | 6.98 | 3.75 |
| 10.50V | 210 | 158 | 128 | 78.0 | 59.3 | 47.3 | 25.5 | 18.5 | 12.8 | 8.33 | 6.98 | 3.75 |
| 10.80V | 188 | 135 | 120 | 67.5 | 58.5 | 46.5 | 24.8 | 18.0 | 12.6 | 8.33 | 6.83 | 3.68 |
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 | 2868 | 2298 | 1656 | 1002 | 702 | 563 | 302 | 220 | 149 | 98.4 | 82.2 | 45.0 |
| 9.90V | 2748 | 2208 | 1566 | 966 | 696 | 554 | 301 | 218 | 149 | 98.4 | 82.2 | 45.0 |
| 10.20V | 2622 | 2076 | 1494 | 924 | 684 | 554 | 298 | 217 | 148 | 98.4 | 82.2 | 44.6 |
| 10.50V | 2298 | 1752 | 1410 | 870 | 678 | 545 | 294 | 215 | 148 | 96.6 | 81.0 | 43.7 |
| 10.80V | 2046 | 1578 | 1326 | 750 | 666 | 536 | 285 | 208 | 146 | 96.6 | 79.8 | 42.8 |
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