2011年11月30日星期三
2011年11月29日星期二
some basic information about car battery
A car battery works just as the life of your car. If your battery is dead, your car also gets damaged at the same time. It is very important that you choose your battery that does not harm your car and at the same time works nicely for you. There many minor things that are needed to be given a thought while purchasing your battery. If you just look for quality, it is not enough for you. You must go far the battery which is not less than six months old. Before buying your battery, it is essential that you consult your car manual and read it very carefully. Batteries are an excellent emergency power source, but require some basic information to use properly. They are electrochemical devices. They have plates, usually metallic, and either a solution or a moist compound between the plates. A chemical reaction takes place in the battery when it is discharged that produces a flow of electrons out one plate on the negative side and into another plate on the positive side.
If you want to know more about MF car battery, you can just visit Leoch International, which is an excellent battery manufacturer. The company is a public company which has over 10 year’s history and it is very reliable and dependable. If you are interested in the company, you can search for more information in the internet.
2011年11月27日星期日
A short conversation about VRLA battery
I know tomorrow is weekend so I am very happy to work hard. The HR manager talked to me this morning and asked me some questions. I don't know if my answers gave her satisfaction. But who care? I just do what I really need to do. So let's start the short conversation about VRLA battery.
In fact, VRLA batteries are classified as VRLA gel battery and AGM battery, which uses the same construction and different electrolyte. However, the same advantage is long cycle lifetime. AGM battery adopts high quality AGM separator to extend cycle life and prevent micro short circuit, while gel battery uses special lead-calcium alloy to boost up the grid anti-corrosive performance and extend the battery using lifetime. Most people will choose VRLA gel battery because they need less maintenance. They have long time discharge, long storage time, and high thermal capacity to reduce the risk of thermal out of control and drying hard, which can be used in bad environment. So they can be used in cold weather, and you don't worry about those batteries’ usage in winter.
About this short conversation, I think it's over because I also know a little. Hope this is useful for you. When I collect more information about VRLA battery, I will write here next time. If you are interested at my blog, I wish you will come again.
2011年11月23日星期三
Wednesday belongs to golf cart battery
More and more electric golf carts are found on the golf course, which also proves that lots of people like the game of golf. Those vehicles are electrical devices, so they are completely powered by batteries. In other words, golf cart batteries are the soul of any cart. If there is any problem with a battery, your cart can't move any more, then you have to push it through the grass.
Today is Wednesday, the center of a weekday. It means that the weekend is coming. So it's a happy day but I get bad news. It doesn't matter. This is not able to affect my emotion to write my article.
Ok, go on this topic. About golf cart batteries, we always pay attention to three points, which is check, maintenance and charging. Check if there is any battery acid leaking or crack found outside. The battery terminals are also required to ensure if they are in good contact. Don't forget to check the liquid level. If it's lower than the standard, you have to add some distilled water. Be careful not to overfill, or the sulfuric acid will hurt you. When you find anything wrong with the golf cart battery, you always need to do some maintenance to protect them. For example, if there is battery acid leaking, you should clean up and neutralize them. Mix a solution of a quart warm tap water and a half of cup of baking soda. Use the solution on a soft cloth and clean the spill. Then Keep those golf cart batteries clean. However many people like to charge the cart when they go home. Then keep the charging all the night. In fact, you need to calculate the time. Don't over charge it, or it affects its performance. Deep discharging will shorten the service life of any lead acid battery, including the golf cart batteries. So when it's close to the end of power, charge the cart right now. Don't charge it after you use up its power. If you golf cart batteries deeply discharge, even one hour, it still has a great influence on its lifespan. Remember that never over charge or deeply discharge it. The last point is to store it after you give them a fully charge.
Is it useful for you? I have no idea. It's all I know at present. Any other new information if I get, I will share with you here at the first time.
2011年11月22日星期二
2011年11月21日星期一
Shorten the Lifetime of VRLA Battery
In fact, VRLA battery is always used in the ups system and its lifetime is defined as the period of time in which a battery is capable of being recharged and retains the charge applied. Once the battery is no longer capable of being recharged or cannot retain its charge properly, its lifetime reaches its end and it becomes a 'used battery' for the application it was designed for.
The lifetime of a VRLA battery is very dependent on its rate, conditions and kind of use. It is estimated to be between 1 up to 5 years. Depending upon manufacturer & product, expected life of all lead acid batteries will be cut in half for every 10-15 degree (F) rise in temperature over recommendation (usually 77 degrees F). For VRLA types, impact of excessive heat is most severe because it will lead to dry-out and open circuit failure, and in worst case scenarios in combination with older chargers, can contribute to thermal runaway, with explosive results.
Most UPS systems cycle batteries not just during outages, but also for changes in load levels as well as large dips in input voltage. In fact, many battery companies now limit warranties based upon the number & duration of these discharge cycles. Charge voltage, current and duration also has impact on VRLA reliability. Older or defective chargers can overcharge or add ripple current leading to heat buildup and premature failure.
Clearly, it is good idea to keep temperature controlled to 77 degrees F or less, and this is easily and regularly done. So temperature also has an important influence on the VRLA battery. Of course, if you don't take care of these batteries, it also will shorten its life. All the factors could reduce the lifetime of VRLA battery.
If you want the VRLA battery for longer time use, you should check and maintain it on a regular basis. Don't forget to store it in a dry place with good ventilation. Never over charge it. Don't let it deep discharge. So today it's all. See you next time.
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