GFMJ-490

VRLA Gel Battery

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  • According to DIN-40742 standards, design life of 20 years
  • Tubular plate & special gel electrolyte, which can prevent active material falling and avoid acid stratification
  • High stability and security, millions of batteries are in service
  • Higher thermal capacity & better thermal diffusivity

Main Application

Deep cycling energy storage application

Solar& wind energy storage system

Off-grid & bad-grid hybrid sites

Floating applications for telecom sites

Nominal Voltage2 V
Capacity490 Ah @10hr to 1.80V @ 25˚C(77˚F)
Weight37.5 kg (82.67 lbs)
DimensionsLength:166 mm(6.54 in) Width:206 mm(8.11 in) Height:470 mm(18.50 in) Total height:502 mm(19.76 in)
Internal Resistance (full charged)0.38 mΩ @ 25˚C(77˚F)
Short- circuit Current5195 A
Self Discharge @25˚C(77˚F)Less than 30% after 180 days storage
Operating Temperature RangeDischarge: -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)
Recommended Operating Temperature20˚C~ 25˚C (68˚F~ 77˚F)
Recommended Charging Current73.5 A
Charging Voltage @25˚C(77˚F)Float: 2.23 V/cell Equalize: 2.35 V/cell
TerminalM10
Container MaterialsABS/ABS V0 (Optional)
Capacity Affected by Temperature(C10)105% @ 40˚C(104˚F) 74% @ 0˚C(32˚F) 50% @ -20˚C(-40˚F)
Design life @25°C(77˚F)20 years
F.V/Time
60 120 180 240 300 360 480 600 720 1200 6000 7200

1.80V

1.83V

1.85V

1.87V

1.90V

237

230

220

210

195

159

155

150

146

130

125

120

118

115

105

100

96

94

91

86

85

83

81

79

73

75

74

72

70

65

59

57

55

53

49

50

49

47

45

41.5

43

42.5

42

40

38

27

26.5

26

25.5

24

6.4

6.1

5.7

5.4

5.1

4.8

F.V/Time
60 120 180 240 300 360 480 600 720 1200 6000 7200

1.80V

1.83V

1.85V

1.87V

1.90V

440

435

420

405

375

300

295

290

280

255

240

238

232

225

202

195

190

185

180

170

165

162

159

155

145

145

143

140

138

127

113

110

106

102

95

95

92

90

88

82

83

81

79

77

74

53

52

51

50

47

12

11.5

11

10.5

10

9.5

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THE shoto BRAND PROMISE

service

SERVICE

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diamond

QUALITY

Manufactured using the latest technology and stringent quality control, our battery products are designed to exceed in performance and reliability.