Sealed 250ah Deep Cycle Gel Battery Maintenance Free 37.5A Charging Current
Product Description
Shoto GFMJ - 250 VRLA Maintenance - free Sealed Lead - acid Gel Battery for Telecom / Energy Storage / UPS
Main Applications
1. Deep cycling energy storage application
2. Solar& wind energy storage system
3. O-grid & bad-grid hybrid sites
4. Floating applications for telecom sites
Benefits
1. Long life design for cyclic or oat application
2. Excellent charge acceptability and deep cycling performance
3. Excellent over discharge recovery capability
4. Superior charging & discharging ability in low current
5. Extend service life under high temperature
Technical Features
1. According to DIN-40742 and IEC-61427 standards, 20 years design life
2. Tubular plate & special gel electrolyte, which can prevent active material falling and avoid acid stratification
3. High stability and security, millions of batteries are in service
4. Higher thermal capacity & better thermal diffusivity2. Positive grid is made of special multi alloy, which overcomes the shortcomings of early capacity loss. It has long service life under both float charge and cycle utilization.
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Normal Voltage
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2V
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Capacity
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250Ah @ 10hr to 1.80V @ 25˚C(77˚F)
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Weight
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21.5 kg (47.40 lbs)
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Dimensions
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Length: 124 mm (4.88 in)
Width: 206 mm (8.11 in)
Height: 354 mm (13.94 in)
Total height: 386 mm (15.20 in)
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Internal Resistance (full charged)
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0.62 mΩ @ 25˚C(77˚F)
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Short- circuit current
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3215A
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Self Discharge @25˚C(77˚F)
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Less than 4% after 28 days storage
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Discharge: -20˚C ~ 50˚C(-4˚F ~ 122˚F)
Charge: -20˚C ~ 50˚C(-4˚F ~ 122˚F)
Storage: -5˚C ~ 40˚C(41˚F ~ 104˚F)
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Recommended Operating Temperature
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20˚C ~ 25˚C (68˚F ~ 77˚F)
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Recommended Charging Current
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37.5A
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Charging Voltage @25˚C(77˚F)
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Float: 2.23 V/cell
Equalize: 2.35 V/cell
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Terminal
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M10
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105 % @ 40˚C
74 % @ 0˚C
50 % @ -20˚
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Design life @25°C
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20 years
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Get in Touch
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