6V-4.5AH
Maintenance Free 6V / 4.5AH
Description
Maintenance Free 6V / 4.5AH
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.
Outer Dimensions Dimensions and WeightLength ( mm / inch )……………………….……. …70 / 2.76Width ( mm / inch ) ……………………………. ……47 / 1.85Height ( mm / inch ) ………………………….……102 / 4.02Total Height ( mm / inch )………………..….…….107 / 4.21Approx.Weight( Kg / lbs )…………………………0.750 / 1.64 |
Performance CharacteristicsNominal Voltage ……………………..…………………… 6VNumber of cell ……………………………..……………… 3Design Life …………………………………..……………. 5 yearsNominal Capacity 77°F(25°C)20 hour rate(0.225A,5.25V) …………………….….……… 4.5Ah
10 hour rate(0.42A,5.25V) ……………….….……….…….4.2Ah 5 hour rate (0.77 A,5.25V) ………………….……………….3.85Ah 1 hour rate(2.70A,4.80V) …….……………..…..……………2.70Ah Internal Resistance Fully Charged battery 77°F(25°C) ………….…..…….….25 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 …………………………………….. 270A
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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 | 30min | 45min | 1h | 2h | 3h | 5h | 8h | 10h | 20h |
| 4.80V | 4.50 | 3.32 | 2.70 | 1.50 | 1.14 | 0.78 | 0.51 | 0.43 | 0.23 |
| 4.95V | 4.43 | 3.29 | 2.67 | 1.48 | 1.14 | 0.77 | 0.51 | 0.43 | 0.23 |
| 5.10V | 4.30 | 3.24 | 2.65 | 1.47 | 1.13 | 0.77 | 0.51 | 0.42 | 0.23 |
| 5.25V | 4.07 | 3.20 | 2.61 | 1.45 | 1.11 | 0.77 | 0.50 | 0.42 | 0.23 |
| 5.40V | 3.53 | 3.16 | 2.57 | 1.42 | 1.08 | 0.75 | 0.50 | 0.41 | 0.22 |
Discharge Constant Power (Watts at 77°F25°C)
| F.V/Time | 30min | 45min | 1h | 2h | 3h | 5h | 8h | 10h | 20h |
| 4.80V | 30.0 | 21.1 | 16.9 | 9.09 | 6.57 | 4.50 | 2.97 | 2.46 | 1.35 |
| 4.95V | 29.0 | 20.8 | 16.6 | 9.00 | 6.54 | 4.47 | 2.94 | 2.46 | 1.35 |
| 5.10V | 27.7 | 20.5 | 16.6 | 8.94 | 6.51 | 4.41 | 2.94 | 2.46 | 1.35 |
| 5.25V | 26.1 | 20.3 | 16.4 | 8.82 | 6.45 | 4.41 | 2.91 | 2.43 | 1.32 |
| 5.40V | 22.6 | 19.98 | 16.08 | 8.55 | 6.24 | 4.38 | 2.91 | 2.40 | 1.29 |
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