DKGB2-900-2V900AH SEALED GEL LEAD ACID BATTERY

Get reliable power with our factory-made DKGB2-900-2V900AH Sealed Gel Lead Acid Battery. Perfect for various applications. Shop now!

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  • DKGB2-900-2V900AH SEALED GEL LEAD ACID BATTERY
  • DKGB2-900-2V900AH SEALED GEL LEAD ACID BATTERY
  • DKGB2-900-2V900AH SEALED GEL LEAD ACID BATTERY
  • DKGB2-900-2V900AH SEALED GEL LEAD ACID BATTERY

PRODUCTS DETAILS

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.

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

Lead ingot raw materials

Polar plate process

Electrode welding

Assemble process

Sealing process

Filling process

Charging process

Storage and shipping

In the photovoltaic energy storage system, the role of the battery is to store electric energy. Due to the limited capacity of a single battery, the system usually combines multiple batteries in series and parallel to meet the design voltage level and capacity requirements, so it is also called the battery pack. In the photovoltaic energy storage system, the initial cost of the battery pack and the photovoltaic module is the same, but the service life of the battery pack is lower. The technical parameters of the battery are very important to the system design. During the selection design, pay attention to the key parameters of the battery, such as battery capacity, rated voltage, charge and discharge current, discharge depth, cycle times, etc. Battery capacity The capacity of the battery is determined by the number of active substances in the battery, which is usually expressed in ampere hour Ah or milliampere hour mAh. For example, the nominal capacity of 250Ah (10hr, 1.80V/cell, 25 ā„ƒ) refers to the capacity released when the voltage of a single battery drops to 1.80V by discharging at 25A for 10 hours at 25 ā„ƒ. The energy of the battery refers to the electrical energy that can be given by the battery under a certain discharge system, usually expressed in watt hours (Wh). The energy of the battery is divided into theoretical energy and actual energy: for example, for a 12V250Ah battery, the theoretical energy is 12 * 250=3000Wh, that is, 3 kilowatt hours, indicating the amount of electricity that the battery can store. If the discharge depth is 70%, the actual energy is 3000 * 70%=2100 Wh, that is, 2.1 kilowatt hours, which is the amount of electricity that can be used. Rated voltage The potential difference between the positive and negative electrodes of the battery is called the rated voltage of the battery. The rated voltage of common lead-acid batteries is 2V, 6V and 12V. The single lead-acid battery is 2V, and the 12V battery is composed of six single batteries in series. The actual voltage of the battery is not a constant value. The voltage is high when the battery is unloaded, but it will decrease when the battery is loaded. When the battery is suddenly discharged with a large current, the voltage will also drop suddenly. There is an approximate linear relationship between the battery voltage and the residual power. Only when the battery is unloaded, this simple relationship exists. When the load is applied, the battery voltage will be distorted due to the voltage drop caused by the internal impedance of the battery. Maximum charging and discharging current The battery is bidirectional and has two states, charging and discharging. The current is limited. The maximum charging and discharging currents are different for different batteries. The charging current of the battery is generally expressed as a multiple of the battery capacity C. For example, if the battery capacity C=100Ah, the charging current is 0.15 C Ɨ 100=15A怂 Discharge depth and cycle life During the use of the battery, the percentage of the capacity released by the battery in its rated capacity is called the discharge depth. The battery life is closely related to the discharge depth. The deeper the discharge depth is, the shorter the charging life is. The battery undergoes a charge and discharge, which is called a cycle (one cycle). Under certain discharge conditions, the number of cycles that the battery can withstand before working to a specified capacity is called cycle life. When the battery discharge depth is 10%~30%, it is shallow cycle discharge; The discharge depth of 40%~70% is medium cycle discharge; The discharge depth of 80%~90% is deep cycle discharge. The deeper the daily discharge depth of the battery during long-term operation, the shorter the battery life. The shallower the discharge depth, the longer the battery life. At present, the common storage battery of photovoltaic energy storage system is electrochemical energy storage, which uses chemical elements as energy storage medium. The charging and discharging process is accompanied by the chemical reaction or change of the energy storage medium. It mainly includes lead acid battery, liquid flow battery, sodium sulfur battery, lithium ion battery, etc. At present, lithium battery and lead battery are mainly used.

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