Factory Direct: DKGB2-400-2V400AH Sealed Gel Lead Acid Battery for Reliable Power Solutions

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	17171205*205mm
DKGB2-200	2v	200Ah	12.7kg	171110325*364mm
DKGB2-220	2v	220Ah	13.6kg	171110325*364mm
DKGB2-250	2v	250Ah	16.6kg	170150355*366mm
DKGB2-300	2v	300Ah	18.1kg	170150355*366mm
DKGB2-400	2v	400Ah	25.8kg	210171353*363mm
DKGB2-420	2v	420Ah	26.5kg	210171353*363mm
DKGB2-450	2v	450Ah	27.9kg	241172354*365mm
DKGB2-500	2v	500Ah	29.8kg	241172354*365mm
DKGB2-600	2v	600Ah	36.2kg	301175355*365mm
DKGB2-800	2v	800Ah	50.8kg	410175354*365mm
DKGB2-900	2v	900AH	55.6kg	474175351*365mm
DKGB2-1000	2v	1000Ah	59.4kg	474175351*365mm
DKGB2-1200	2v	1200Ah	59.5kg	474175351*365mm
DKGB2-1500	2v	1500Ah	96.8kg	400350348*382mm
DKGB2-1600	2v	1600Ah	101.6kg	400350348*382mm
DKGB2-2000	2v	2000Ah	120.8kg	490350345*382mm
DKGB2-2500	2v	2500Ah	147kg	710350345*382mm
DKGB2-3000	2v	3000Ah	185kg	710350345*382mm

Lead ingot raw materials

Polar plate process

Electrode welding

Assemble process

Sealing process

Filling process

Charging process

Storage and shipping

Gel battery can last for several years_ Service life of gel battery There are two measures for battery life One is the floating charge life, that is, the service life when the maximum capacity that the battery can release is not less than 80% of the rated capacity under standard temperature and continuous floating charge conditions. The second is the number of times of 80% deep cycle charging and discharging, that is, the number of times German solar cells with full capacity can be recycled after 80% of the rated capacity is discharged. Generally, engineers and technicians only attach importance to the former and neglect the latter. 80% of the times of deep cycle charging and discharging represents the actual number of times that the battery can be used. In the case of frequent power outages or low quality of mains electricity, when the actual number of times of battery use has exceeded the specified number of cycles of charging and discharging, although the actual use time has not reached the calibrated floating charge life, the battery has actually failed. If it cannot be found in time, it will bring greater potential accidents. Therefore, when selecting storage battery, we should pay attention to both life indicators, and the latter is particularly important under the condition of frequent interruption of mains power. When selecting UPS supporting German solar battery, we should consider sufficient floating charge life margin. According to relevant experience, the actual service life of the battery is usually only 50%~80% of the calibrated floating charge life. This is because the actual floating charge life of the battery is related to many factors such as standard temperature, actual ambient temperature, battery charging voltage, use and maintenance. When the actual ambient temperature is 10 ℃ higher than the standard ambient temperature, the floating charge life of the battery will be shortened by half due to the doubling of the internal chemical reaction speed. Therefore, the UPS battery room should be equipped with air conditioning equipment. In terms of temperature value, the European standard is 20 ℃, and the Chinese, Japanese and American standards are 25 ℃. If the battery with a 10 year floating charge life of 20 ℃ is converted to the 25 ℃ standard, it is only equivalent to a 7-8 year floating charge life. The nominal floating charge life of the supporting battery should be the value obtained by dividing the expected actual service life of the battery by a life factor. This life coefficient is usually determined based on relevant experience. It can be 0.8 for batteries with high reliability and 0.5 for batteries with low reliability.