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DKGB2-2000-2V2000AH SEALED GEL LEAD ACID BATTERY

Technical Features

1. Charging efficiency: The usage of imported low resistance raw materials and advanced process help make theinternal resistance smaller and the acceptance ability of small current charging stronger.
2. High and low temperature tolerance: Wide temperature range (lead-acid:-25-50 C ,and gel:-35-60 C), suitablefor indoor and outdoor use in varies environments.
3. Long cycle-life: The design life of lead acid and gel series reach to more than 15 and 18 years respectively, forthe arid is corrosion- resistant. and electrolvte is without risk of stratification by using multiple rare-earth alloy ofindependent intellectual property rights, nanoscale fumed silica imported from Germany as base materials, andelectrolyte of nanometer colloid all by independent research and development.
4. Environment-friendly: Cadmium (Cd), which is poisonous and not easy to recycle, does not exist. Acid leakageof gel electrolvte will not happen. The battery operates in safety and environmental protection.
5. Recovery performance: The adoption of special alloys and lead paste formulations make a low self-dischargerate, good deep discharge tolerance, and strong recover capability.

Parameter

Model

Voltage

Capacity

Weight

Size

DKGB2-100

2v

100Ah

5.3kg

171*71*205*205mm

DKGB2-200

2v

200Ah

12.7kg

171*110*325*364mm

DKGB2-220

2v

220Ah

13.6kg

171*110*325*364mm

DKGB2-250

2v

250Ah

16.6kg

170*150*355*366mm

DKGB2-300

2v

300Ah

18.1kg

170*150*355*366mm

DKGB2-400

2v

400Ah

25.8kg

210*171*353*363mm

DKGB2-420

2v

420Ah

26.5kg

210*171*353*363mm

DKGB2-450

2v

450Ah

27.9kg

241*172*354*365mm

DKGB2-500

2v

500Ah

29.8kg

241*172*354*365mm

DKGB2-600

2v

600Ah

36.2kg

301*175*355*365mm

DKGB2-800

2v

800Ah

50.8kg

410*175*354*365mm

DKGB2-900

2v

900AH

55.6kg

474*175*351*365mm

DKGB2-1000

2v

1000Ah

59.4kg

474*175*351*365mm

DKGB2-1200

2v

1200Ah

59.5kg

474*175*351*365mm

DKGB2-1500

2v

1500Ah

96.8kg

400*350*348*382mm

DKGB2-1600

2v

1600Ah

101.6kg

400*350*348*382mm

DKGB2-2000

2v

2000Ah

120.8kg

490*350*345*382mm

DKGB2-2500

2v

2500Ah

147kg

710*350*345*382mm

DKGB2-3000

2v

3000Ah

185kg

710*350*345*382mm

production process

Lead ingot raw materials

Polar plate process

Electrode welding

Assemble process

Sealing process

Filling process

Charging process

Storage and shipping

Certifications

More for reading

Why do photovoltaic off grid power stations need batteries?
In the photovoltaic off grid system, the battery accounts for a large proportion, and its cost is similar to that of the solar module, but its life is much shorter than that of the module. The lead acid battery is only 3-5 years old, and the lithium battery is 8-10 years old, but the price is expensive. The BMS management system is also required to increase the cost. Can the photovoltaic off grid power station be directly used without batteries?

The author believes that apart from some special applications such as photovoltaic lighting systems, off grid systems must be equipped with batteries. The task of the battery is to store energy, ensure the stability of the system power, and ensure the load power consumption at night or in rainy days.

First, the time is inconsistent
For photovoltaic off grid system, the input is a module for power generation, and the output is connected to the load. Photovoltaic power is generated during the day, and it can only be generated when there is sunshine. The highest power is usually generated at noon. However, at noon, the demand for electricity is not high. Many households use off grid power stations to use electricity at night. What should we do about electricity generated during the day? We should first store energy. This storage device is the battery. Wait until the peak power consumption, such as seven or eight o'clock at night, and then release the power.

Second, the power is inconsistent
Photovoltaic power generation is extremely unstable due to the influence of radiation. If there is a cloud, the power will be reduced immediately, and the load is not stable. For example, air conditioners and refrigerators, the starting power is large, and the running power is small at ordinary times. If photovoltaic power is directly loaded, the system will be unstable, and the voltage will be high and low. The battery is a power balancing device. When the photovoltaic power is greater than the load power, the controller sends the excess energy to the battery pack for storage. When the photovoltaic power cannot meet the load demand, the controller sends the electrical energy of the battery to the load.

The photovoltaic pumping system is a special off grid power station, which uses solar energy to pump water. The pumping inverter is a special inverter, including the frequency converter function. The frequency can vary according to the intensity of solar energy. When the solar radiation is high, the output frequency is high, and the pumping capacity is large. When the solar radiation is low, the output frequency is low, and the pumping capacity is small. The photovoltaic pumping system needs to build a water tower, When the sun is shining, water is pumped into the water tower. Users can take water from the water tower when they need it. This water tower is actually used to replace the battery.


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