12V-7AH
Maintenance Free 12V / 7AH
Description
Maintenance Free 12V / 7AH
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 )……………………….……..…151 / 5.94Width ( mm / inch ) ……………………………………65 / 2.56Height ( mm / inch ) …………………..……….……. 94 / 3.70Total Height ( mm / inch )…………………..….…….99 / 3.90
Approx.Weight( Kg / lbs )………………………..…2.25 / 4.95 |
Performance CharacteristicsNominal Voltage ……………………..…………………… 12VNumber of cell ……………………………..……………… 6Design Life …………………………………..……………. 5 yearsNominal Capacity 77°F(25°C)
20 hour rate(0.35A,10.5V) …………………….………… 7.0Ah 10 hour rate(0.65A,10.5V) ……………….….…….…….. 6.5Ah 5 hour rate (1.19 A,10.5V) ………………….…..……….…5.95Ah 1 hour rate(4.55A,9.6V) ……………………..…..…………4.55Ah Internal Resistance Fully Charged battery 77°F(25°C) ………….…..…….….40 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) ……………………. 105A(5s) Short Circuit Current …………………………………….. 420A |
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Battery Constructionn
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 | 24.5 | 19.6 | 14.0 | 8.05 | 5.74 | 4.55 | 2.45 | 1.77 | 1.20 | 0.79 | 0.66 | 0.36 |
| 9.90V | 23.8 | 18.9 | 13.3 | 7.91 | 5.67 | 4.52 | 2.43 | 1.76 | 1.20 | 0.79 | 0.66 | 0.36 |
| 10.20V | 22.4 | 17.5 | 12.6 | 7.70 | 5.60 | 4.48 | 2.42 | 1.75 | 1.19 | 0.78 | 0.65 | 0.35 |
| 10.50V | 19.6 | 14.7 | 11.9 | 7.28 | 5.53 | 4.41 | 2.38 | 1.73 | 1.19 | 0.78 | 0.65 | 0.35 |
| 10.80V | 17.5 | 12.6 | 11.2 | 6.30 | 5.46 | 4.34 | 2.31 | 1.68 | 1.18 | 0.78 | 0.64 | 0.34 |
Discharge Constant Power (Watts at 77°F25°C)
| F.V/Time | 5min | 10min | 15min | 30min | 45min | 1h | 2h | 3h | 5h | 8h | 10h | 20h |
| 9.60V | 268 | 215 | 155 | 93.6 | 65.4 | 52.5 | 28.2 | 20.5 | 13.9 | 9.18 | 7.68 | 4.20 |
| 9.90V | 257 | 206 | 146 | 90.6 | 64.8 | 51.7 | 28.1 | 20.4 | 13.9 | 9.18 | 7.62 | 4.20 |
| 10.20V | 244 | 194 | 139 | 86.4 | 63.6 | 51.7 | 27.8 | 20.3 | 13.8 | 9.18 | 7.62 | 4.14 |
| 10.50V | 214 | 163 | 131 | 81.0 | 63.0 | 50.8 | 27.4 | 20.0 | 13.8 | 9.06 | 7.56 | 4.08 |
| 10.80V | 191 | 147 | 124 | 70.2 | 62.4 | 50.0 | 26.6 | 19.4 | 13.7 | 9.06 | 7.44 | 4.02 |
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