FK890

Purchase and maintenance of electric bicycle battery

Posted by admin on December 30, 2009
battery knowledge / No Comments

1. Elements of a battery option

 

AGM battery with a low cost advantage of large discharge current, but there is a narrow range of temperature, the VGP-BPS2A battery easy to dehydration and heat control deficiencies and gel batteries are expensive, but it was stable performance, range of temperature, resistance to more than off-load discharge, long life and so on.

 

As battery electric bike, in most cases, are high current, depth of discharge cycle, therefore, better adapted to use electric bicycle batteries gel batteries. Gel batteries are highly resistant to over-discharge capacity and high electro-hydraulic retention, excessive discharge of the battery to avoid the impact due to dehydration caused by thermal runaway phenomenon of generation of cells.

 

Rechargeable lead acid batteries of different brands are basically the same characteristics, but because the manufacturers of the formulation of the battery material, electrolyte concentration and content of Deng Jun different charging voltage are also some differences, therefore, strictly speaking, should be based on the manufacturing of batteries given specific requirements for determining the charging voltage of the PA3399U-1BRS battery program, otherwise easily lead to misuse of the battery.

   

Motor bikes and electric power output of batteries to match the power rating, so in order to prolong battery life, power bicycle motor to the extent possible, the battery is less than the nominal power to avoid the battery at full load or overload of work long-term conditions.

 

2, the efficient use of battery

 

The battery used in tandem, if the internal resistance of the battery is incoherent, in the process of loading and unloading the voltage across the battery would be inconsistent with any group that will eventually lead to premature failure of the pile because load. Therefore, electric bicycle, the consistency of the balance of the battery, the battery has a considerable impact. For consumers, fair use, but also on the balance of the consistency of the battery to some extent, affects the battery life. Based on the battery during the years of research and actual use, we recommend consumers to use the following methods of rational use A1060 batteries;

(1) Electric Juji line speed: 20-25km / h.

  

(2) Riding distance: 10-30km per day, depth of discharge less than or equal to 70% (once every 2 months, deep discharge).

   

(3) the load frequency: once per day.

 

(4) Charge: Ride single (which can carry a 10-year-old child under one).

 

According to the above method, good quality electric bicycles can be made in the normal use of 3-4 years or five years, and can use a battery and a half years or both. The depth of lower depth of discharge of the battery, the life cycle of the battery cycle longer battery life longer. Therefore, consumers are generally regarded as one of a charge cycle is wrong, to make their own use to prolong battery life, we must always leave the battery is fully charged state, a state of an extended power outage, the negative battery vulnerable to salinization, resulting in loss of LCBTP03003 battery capacity, affecting the battery life.

 

3, the battery maintenance

 

Qualified electric bike batteries manufactured by the manufacturer of the battery, the battery life and performance to some extent depend on consumer use and maintenance.

 

(1) Matching and battery charger.

 

Batteries for electric bikes is a bad charge, rather than harm, we can see the importance of matching chargers and batteries, there are two situations: first, the new charger and battery manufacturers to ensure their own settings do not match, the second is the load device itself, poor quality components, the beginning of use, fairly matched, that the burden of consumers and discharge cycles to use, the charger itself same is due to temperature, aging of components, where the charge voltage and switch current drift, the FK890 battery is damaged.

 

And manufacturers of electric vehicles recommend that consumers buy the best manufacturers corresponding battery charger, not because of momentary greed expensive rechargeable batteries bad, but not worth the candle.

 

(2) regular, rapid recovery of electricity.

 

Consumers in the statement on the use of life cycle is usually nominal, there is a misconception that to recharge a battery, the battery reduces the time, so whenever the consumption of battery power, as voltage protection for the controller began to add electric 31.5V did not know that this does not only fail to protect the battery, but also shorten the battery life. So, remind the majority of consumers, if possible, promptly complete the F4812A battery.

 

(3) Non-LED displays the voltage, to continue riding. Some consumers in the half-way ride, indicators show the state of tension, after taking a rest and then a way of riding, so much wrong with the battery, the battery will discharge in a serious salinization or generate sticks of lead crystal, so that short-circuit the battery, which affect life expectancy.

 

(4) electric bike is just beginning, climbing, overloading should try to help.

 

(5) on the road the rain, they should avoid wetting the switches and connectors to prevent leaks.

 

More knowledge about battery used lead acid batteries for electric bicycle maintenance and repair has a positive side, thanks to technological improvements, including improved technology to freeze the current cost – effective lead-acid batteries with other batteries of a great advantage over.

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Utility energy storage not just giant batteries anymore

Posted by admin on November 27, 2009
Digital battery / No Comments

If you need more evidence, energy storage, rather than lithium-ion Laptop battery, let us consider the latest draft of an intelligent network storage utility.

 

In the Department of Energy announced Tuesday the $ 620 million capital project to stimulate the intelligent network 32, which, with 100 million dollars of private capital. A total € 770 million from government and industry in the coming years, energy is stored, the digital technology to storage, a real-world experience. (See the PDF for more information.)

 

 (Credit: PG & E Corporation is) excellent in the list to highlight the compressed air energy storage, flow battery, little discussion of these two techniques in a few years ago. In addition, the combination of driving and use of cells, distributed energy storage in the community.

 

It is unlikely that the U. S. Department of Energy-funded project would be immediately profitable. However, storage has become identified as an important component of the vision of the intelligent network. A technology VGP-BPS8 start-up digital businesses, they hope that the storage group to develop specific applications or weaken the water pump as the most expensive price to the public bank. Pump, pump water, mountain water output to run a generator during peak hours. However, their use is limited geographically.

 

 

16 Ministry of Energy grants of Energy on a number of storage and wind energy, which is a variable source of energy. In California, for example, public utilities, Pacific Gas and electricity, energy from wind in the night, the turbines, the more effective is stored in underground caverns. During the day, more than the needs of the grid, the supply air and power generation through turbines.

 

In the use of underground storage of compressed air is that battery can be inexpensive and the storage time is worth a lot of energy. Forecast PG & E’s Kern County, California, the project generates 300 megawatts of electricity supply 10 hours, sufficient to meet the thousands of families.

 

Another innovation is the Dell FK890 battery storage and metal cans, compressed air, technical development, a Dartmouth College spin-off SustainX. The compressed air to release the hydraulic motor can run a generator so that power persists.

 

Flow batteries, now use tanks of liquid electrolyte solution. Communication when the two liquids, it is a chemical reaction to produce electricity.

 

An advantage of this method is much faster and energy of air, under the Association of storing electricity. A project is the introduction of advanced technology, high quality power supply, semi-trailer is a great use of mobile batteries spectrum of network and electricity supply, was held at the time of high demand.

 

Different strokes

The variety of technical issues, applications, storage area of energy. Winners of the Beacon Power flywheel can absorb, for example, accept and apply the value of megawatts of VGP-BPS9 electricity grids, but only in 15-minute burst. Flywheel, however, more attention, because they create a plant environmentally friendly substitute for natural gas now used to smooth out short-term fluctuations in the frequency of the network, the company said.

 

Larger batteries will continue to test storage rack. Duke Energy plans to use several types of batteries and a value of 20 million kilowatts Electricity delivery Notrees Wind Power Project in Texas. ” System “of hybrid battery, two working with the appropriate short-term fluctuations and the value network for hours power provided on the same day, according to representatives of Duke Energy.

 

Utility Portland General Electric over the next two years, plans five batteries of the battery manufacturer Ener1 to install sufficient power to juice about 400 an hour. Alternatives to lead-carbon batteries, including East Penn Manufacturing, also may be used.

 

A second project is feasible batteries used cars, experimental grid storage. Lithium ion plug-in car batteries A123 system is used to provide 25 kilowatts of two hours, 20 projects of energy conservation. The performance of lithium-ion battery in the car after years of degradation, but there is still enough capacity and performance of networked applications, utility officials say.

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