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Products Power supply products11 Free-maintenance lead-acid battery33
6-GFM (12V) series valve controlled maintenance free lead - acid battery

Netion Long Life Lead Acid Maintenance-free Batteries and Lead Acid Maintenance-free Batteries maintain airtight and liquid tight conditions during normal use. When the internal air pressure exceeds the predetermined value, the safety valve automatically opens to release gas. When the internal air pressure decreases, the safety valve automatically closes to seal it, preventing external gas from entering the battery. During the normal service life of the battery, there is no need to add electrolyte under normal usage conditions. At 25 , the float charging design has a lifespan of over 10 years and is durable.


Basic Features

application area

● UPS and computer backup power supply ● Solar and wind power generation systems ● Electronic systems

● Electronic instruments ● Railway ships ● Posts and telecommunications ● Emergency lighting systems

● Alarm system ● National defense and aerospace ● Fire standby power supply ● Peak load compensation energy storage device.

product Structure

Positive electrode plate: It is an electrode plate with a high tin lead calcium grid with porous lead dioxide as the active material

Negative electrode plate: It is an electrode plate with a lead calcium grid with sponge like lead as the active substance

Electrolyte: refers to the dilute sulfuric acid that participates in electrochemical reactions and transmits conductive ions during the charging and discharging process of a battery

Partition: It serves to retain the electrolyte in the battery, isolate the positive and negative electrodes, and prevent short circuits. It adopts a non-woven structure of benign glass fiber cotton. This material has stable chemical properties in dilute sulfuric acid electrolyte and has the characteristics of high porosity, small pore size, and low resistance.

Safety valve: It is a one-way valve made of rubber material. When the battery is overcharged due to incorrect charging, charger failure, or other abnormal phenomena, and a large amount of gas is generated, the exhaust valve will open to exhaust the excess gas in the battery and maintain the pressure within the specified range (5-45kPa). During normal use of the battery, the exhaust valve will close to prevent external air from entering and prevent oxygen in the air from reacting with the negative electrode active substance

Positive and negative terminal: According to different types of batteries, the positive and negative terminal can have short protruding tip type, latch type, screw type, or lead type, etc. The sealing of the terminal is achieved by a channel structure that can protect the adhesive and epoxy gas adhesive.

Performance characteristics

Maintenance free and no need for fluid replacement

Designed service life of over 10 years, with a cycle life of over 600 cycles

High weight and volume to energy ratio, low internal resistance, and good discharge performance at high currents

Unique formula with excellent deep discharge recovery performance

Using high-purity raw materials and strict production process control to ensure the consistency of various indicators of the product

The use of corrosion-resistant calcium lead tin alloy grids and extremely high sealing reaction efficiency significantly prolongs the service life of the battery

The use of ABS flame-retardant engineering materials has excellent flame-retardant properties and prevents expansion and cracking

Fully charged factory, easy to use, safe and explosion-proof

Suitable for a wide range of temperatures (-35-45 )

Low self discharge, with an average monthly self discharge rate of no more than 3% at 20 degrees Celsius

Unique formula with good deep discharge recovery performance

No free electrolyte, can still be used when inverted 90 degrees on the side


Technical Specifications


Technical Paramete

Model

Rated Voltage(V)

Nominal Capacity25(Ah)

Reference dimensions(mm)

Reference ? weight(KG)

Connection method

20Hours Rate

10Hours ? Rate

length±1

Width±1

Height±2

Total Height±2

6-GFM-4

12

4

3.6

90

70

102

106

1.70

cell connector

6-GFM-7

12

7

6.6

151

65

94

97.5

2.20

cell connector

6-GFM-9

12

9

8.5

151

65

94

97.5

2.60

cell ? connector

6-GMF-12

12

12

11.3

151

98

94

97.5

4.00

cell connector

6-GFM-17

12

17

15

181

76

167

167

4.80

bolt

6-GFM-24

12

24

22

175

166

125

125

7.20

bolt

6-GMF-38

12

38

35

197

166

170

170

12.00

bolt

6-GFM-65

12

65

59

350

166

176

176

19.00

bolt

6-GFM-100

12

100

91

329

172

217

220

27.50

bolt

6-GMF-120

12

120

109

407

174

235

235

33.00

bolt

6-GFM-150

12

162

150

484

168

240

240

39.50

bolt

6-GFM-200

12

216

200

523

241

219

245

55.00

bolt

6-GFM-250

12

263

250

520

269

225

225

68.00

bolt

Size changes, please refer to the actual product.