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Spaceflight Power Supply Co., Ltd.
Add: Weimin High-Tech Development Area, Fusha, Zhongshan, Guangdong Province, China
To make the battery system have higher reliability, first of all, we must correctly choose the battery. UPS and communication are designed differently to battery: Some batteries have better circulation characteristics, some batteries are suitable for starting, some batteries are suitable for low temperature environment and some batteries are suitable for small current discharge and so on.
Lead-acid batteries are made for different specific applications, and some are not suitable for renewable energy (RE) systems. Commercial starter batteries and automotive deliver short bursts of power and be charged fully at the majority of time, making them unsuited for such applications. UPS batteries are designed to offer backup electricity power during power outages but won’t tolerate continuous discharge and charge cycles. If we classify the storage battery according to application, there are Normal Series, Deep Cycle Battery Series, Front Terminal Battery Series and High Rate Battery Series.
Normal Series designed for UPS/EPS, Emergency lighting (medical, insurance, bank, tax administration and recreation), Spot light, energy saving lamp, Railway and airline signals, Alarming and security, Instruments and meters, electrical D/C power sources.
Deep Cycle Battery Series Designed for Solar and wind energy storage system, also for inverters and some application that require deep discharge often. It is designed for longer cyclic service life, 20% more cycles than normal series.
Front Terminal Battery Series designed for applied in 19 foot and 23 foot standard power cabinet, Network access equipment to Power source system for franchised network and LAN, UPS and back-up power sources.
High Rate Battery Series is high performance battery, specially designed for applications requiring high rate discharge and offers much improved power densities up to 50% more watts per kilo than general models when operated at the 10 minutes discharge rate. The High rating Series designed for small UPS, Generators, Jump start, and other high power back-up power sources, Electronic powered toys, also some power quad bike and power tools which discharge with big current.
Depth of discharge (DoD) that means what percent of the stored energy can exactly be withdrawn from the device. For avoiding damage, a great number of battery systems need a residual charge. According to the Bundesverband Solarwirtschaft e. V. (German Federal Association of the Solar Industry), a battery system should never be discharged below its specified depth of discharge, for the reason that it shortens the life of the battery.
Most solar batteries need to retain some charge at all times because of their chemical composition. If 100% of a battery’s charge is used, its useful life will be shortened certainly.
The depth of discharge (DoD) of a battery refers to the number of a battery’s used capacity. Most manufacturers will specify a maximum depth of discharge for optimal performance. For example, if a 10 kWh battery has a DoD of ninety percent, you
ought to use more than 9 kWh of the battery after recharging. Generally speaking, a higher depth of discharge means you will be capable to utilize your battery’s capacity more.
Electrical current produced by a battery through a reaction which converts its stored chemical energy into electrical energy, which process starts in the lead itself. The majority of manufacturers in the North American battery industry adopt recycled lead, thus the performance and lifespan are different to lead in the batteries. It comes from the amount of lead, additive formulation, lead-oxide production methods and quality controls employed by producers.
We Spaceflight Power adopts good material to manufacture:
1. Battery Case:
SPACEFIGHT battery case is made of ABS fire proof plastic material.
The grid plate is made of lead calcium alloy which has strong corrosion resistance function. Positive plate is red while negative plate is dark gray after being charged. To prevent short circuit, plates are packed by AGM separators.
There are 6 cells in a car battery, which consist of its real capacity. The more plates in it, the heavier the battery will be, the higher the capacity will be and therefore the stronger the starting capacity will follow up.
We have various of plate models. Our battery mainly has two types, general models and light models. Usually the weight of plate in general models sometimes is higher than the light models under the condition of same quantity of plate.
Usually made of AGM, which can be seen as sort of plastic and cannot absorb acid, therefore the plate are dip into the acid and this type of battery is also named as flooded lead acid battery, while the opposite is also called carved-electrolyte battery.
AGM separator has many advantages, here I mainly introduce four to you. Firstly, it is Long life design and floating charging life of 5 to 10 years at 25℃.Secondly, it has Good discharge performance. And I know it adopts special lead alloy grid, so it has low self-discharge rate. Thirdly, it has excellent high discharge capacity and small internal resistance to make sure large current discharge. Lastly, this battery can be used in a very wide temperature range from -20℃ to 50℃.Battery life & warranty
When selecting the battery, it is very necessary to understand the differences between the various batteries in the process and the application. Firstly, to fully understand the user’s own demand for products, such as backup power system capacity requirements, frequency of use, environment of use, primary use, service life, reliability requirements, instantaneous discharge rate, rectifier specifications, and other battery-related performance requirements.
Secondly, to understand the battery’s performance, including product design parameters (the model of battery, appearance size, capacity, voltage, weight, volume, weight than energy than energy, design life, the number of positive and negative plate piece, the positive and negative plate thickness ratio, the density of the electrolyte, the type of plate, plate gate materials, etc.), product performance parameters, actual use of the product life, install and use environment, different models of performance and price, different kinds of product warranty, etc.