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AGM DEEP CYCLE BATTERY

Sealed Deep Cycle Battery

Features of sealed deep cycle storage battery:

 

The life of sealed deep cycle storage battery increased by more than 30%

Floating charge life is 8-10 years

Thickened high tin corrosion resistant grid

Wide temperature range: -20°C~55°C

Low self-discharge rate

Excellent sealing and deep circulation battery performance

Good charging receptivity

 

Structural characteristics:

 

Positive plate: thick high tin alloy plate

Negative plate: low calcium alloy plate

Clapboard: High strength AGM clapboard, provides better elasticity

Sealed deep cycle battery case: ABS

Pole seal: double epoxy seal

Safety valve: integrated explosion proof/acid filter safety valve

 

According to the different use environment, the designed application direction of the sealed deep cycle storage battery is also different. In general, under a certain discharge depth, the higher the cycle times, the better the battery performance. In order to determine the actual best “cost performance”, for sealed deep cycle storage battery, the following information should be collected before purchasing:

 

Determine if the sealed deep cycle battery factory has been approved by international standards.

Determine the number of times the battery must be repaired during its life as recommended by the manufacturer.

Determine the average hourly/min cost of service personnel in the organization.

Determine the cost of maintenance materials during the battery life.

Cost of each battery, including purchase price and freight.

 

The Advantages of High Capacity AGM Deep Cycle Storage Batteries

AGM is adsorbed glass fiber separator technology. AGM deep cycle storage battery is designed with lean liquid type, and the electrode plate is not immersed in electrolyte. Except for a part of electrolyte is absorbed inside the electrode plate, most of the electrolyte is adsorbed on the porous fiberglass partition, and the technology of tight assembly is adopted to make the electrode plate fully contact with electrolyte. A certain proportion of the pores of the separator are not occupied by the electrolyte, in order to provide a channel for the oxygen from the positive electrode to move to the negative electrode, so as to ensure that the oxygen can better diffuse to the negative electrode and recombine to form water.

 

The adoption of AGM technology, on the one hand, can effectively prevent the electrolyte stratification, thus increasing the cycle life of AGM deep cycle rechargeable battery (can reach 3 times of ordinary battery) and service life; On the other hand, AGM baffles have better low temperature performance due to their lower resistance.

 

Advantages of high capacity AGM deep cycle storage battery:

 

The cycle charging capacity is 3 times higher than that of lead calcium battery, which has a longer service life.

Higher capacitance stability throughout the service life cycle.

More reliable performance at low temperature.

Reduce accident risk and environmental pollution risk (due to 100% sealed acid)

Simple maintenance and reduced deep discharge.

 

What Factors are Related to The Life of AGM Solar Batteries?

In the photovoltaic solar power station, the component with the shortest life is the battery, but the cost accounts for the largest proportion. What are the main factors related to the life of AGM solar batteries?

 

  1. Battery charging

 

In theory, the smaller the charging current, the better. Because the current is low, the smaller the crystals are, the more sufficient the reaction is, and the more electricity it can store.

 

In the first stage, the battery is charged quickly with the maximum output current of the charger. If it is a solar controller, the battery is charged at the maximum power point of MPPT. The charging time depends on the battery capacity and the battery state at the beginning of charging. In the second stage, charging is evenly done. In the constant voltage charging stage, the charging voltage of the charger remains constant, the charging quantity continues to increase, the battery voltage slowly rises, and the charging current drops. In the third stage of floating charge mode, the battery is basically full, the charging current drops below the floating charge conversion current, and the charging voltage drops to the floating charge voltage.

 

  1. Working environment temperature

 

High ambient temperature has great influence on the service life of AGM solar batteries. As the temperature rises, battery plate corrosion will increase, and will consume more water, resulting in a shorter battery life. AGM solar batteries storage in the use of a certain temperature requirements. When a typical AGM solar battery is higher than 25℃, the battery life is halved for every 6 ~ 9℃ increase. Therefore, the floating charging pressure should be compensated according to the temperature, which is generally 2 ~ 4 mV/℃.

 

In order to achieve the best service life of AGM solar batteries, the operating environment under constant temperature should be created as far as possible, while maintaining good ventilation and heat dissipation conditions of the batteries. Specifically, rooms with AGM solar batteries should be air-conditioned. The battery should be placed with proper spacing to improve the heat exchange between the battery and the environmental media. A gap of no less than 15mm should be maintained between the battery and the upper separator. A “air duct” of no less than 150mm should be provided between the battery and the upper separator to reduce the temperature rise.

  1. Discharge depth

 

Generally speaking, the deeper the daily discharge depth of AGM solar batteries in long-term operation, the shorter the battery life, and the shallower the discharge depth, the longer the battery life. Shallow cyclic discharge is beneficial to prolong battery life.

 

There are two obvious advantages to running a deep cycle rechargeable battery in a shallow cycle: first, the battery generally has a long cycle life; Second, batteries often retain more spare ampere-hour capacity, which makes the PV system’s power supply guarantee rate higher. According to the actual operation experience, the more moderate discharge depth is 60% to 70%.

 

KIJO is a leading AGM deep cycle battery supplier in China, please contact us!

 

 

Founded in 1993, KIJO battery Group is a professional agm battery suppliers. We provide Energy Storage Battery, Reserve Power Battery, the best agm battery, storage batterys and etc. Want to know about deep battery cycle? Please contact us.

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