GFM-300

Series VRLA Battery

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  • The plate is with the structure of big grid and block, and is made of special alloy through special process of quadric basic lead sulfate, which improves specific energy of the battery and prolongs the cycle service life
  • 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
  • Add special additives to the positive and negative plates, improve the utilization of active material and charging acceptability
  • High-purity electrolyte and special additives
  • Unique assembled maze seal structure of terminal (patented technology) ensures the safety and reliability of seal

Main Application

Back-up power for communication and signal system

Back-up power for electric power system & nuclear power station

Solar and wind power generation energy storage system

Back-up power for military & navigation

Back-up power for UPS & emergency lighting

Nominal Voltage2 V
Capacity300 Ah @ 10hr to 1.80 V @ 25˚C(77˚F)
Weight17.6 kg (38.80 lbs)
DimensionsLength: 124 mm (4.88 in) Width: 181 mm (7.13 in) Height: 346 mm (13.62 in) Total height: 365 mm (14.37 in)
Internal Resistance (full charged)0.60 mΩ
Short- circuit Current2950 A
Self Discharge @25˚C(77˚F)Less than 3% after 30 days storage
Operating Temperature RangeDischarge: -40˚C ~ 50˚C(-40˚F~ 122˚F) Charge: -20˚C ~ 45˚C(-4˚F~ 113˚F) Storage: -20˚C ~ 40˚C(-4˚F~ 104˚F)
Recommended Operating Temperature15˚C ~ 25˚C (59˚F~ 77˚F)
Recommended Charging Current45 A
Charging Voltage @25˚C(77˚F)Float: 2.23 V/cell Equalize: 2.35 V/cell
TerminalM8
Container MaterialsABS/ABS V0 (Optional)
Capacity Affected by Temperature(C10)106% @ 40˚C(104˚F) 80% @ 0˚C(32˚F) 50% @ -20˚C(-4˚F)
Design life @25°C(77˚F)15 years
F.V/Time
60 90 120 180 240 300 360 480 600

1.90V

1.85V

1.80V

1.75V

1.70V

1.65V

118

130

155

167

175

182

107

122

126

131

137

140

86

92

98

103

106

109

64.2

70.8

75.5

77.4

79.2

80.2

54.4

58.2

60.4

61.6

62.6

63.2

44.6

48.5

51.3

52.2

52.9

53.2

38.3

41.4

45.2

46.0

46.6

46.9

32.9

34.9

35.9

36.6

36.9

37.0

26.8

29.0

30.2

30.6

30.9

31.0

F.V/Time
60 90 120 180 240 300 360 480 600

1.90V

1.85V

1.80V

1.75V

1.70V

1.65V

231

255

299

314

330

339

212

238

243

253

261

264

171

182

190

198

203

206

129.6

141.2

148.5

151.7

154.1

155.0

109.8

116.3

120.2

122.2

123.8

124.6

90.1

97.2

102.3

103.9

105.1

105.6

77.6

83.1

90.5

92.0

92.8

93.3

66.5

70.2

72.0

73.3

73.7

73.9

54.5

58.5

60.5

61.2

61.7

61.8

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GFM-400

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Capacity AH: 400 AH

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GFM-500

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Capacity AH: 500 AH

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GFM-600

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Capacity AH: 600 AH

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GFM-800

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Capacity AH: 800 AH

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GFM-1000

Series VRLA Battery

Capacity AH: 1000 AH

Voltage: 2 V

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GFM-1500

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Capacity AH: 1500 AH

Voltage: 2 V

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GFM-1600

Series VRLA Battery

Capacity AH: 1600 AH

Voltage: 2 V

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GFM-2000

Series VRLA Battery

Capacity AH: 2000 AH

Voltage: 2 V

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GFM-3000

Series VRLA Battery

Capacity AH: 3000 AH

Voltage: 2 V

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THE shoto BRAND PROMISE

service

SERVICE

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diamond

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