Recent questions tagged battery

Description : Should Assault Victim Sue Congressman Etheridge?

Last Answer : Not everything is, nor should be, a liable offense.

Description : Plugging a UPS-surge protector into a surge protection strip: good, bad, silly?

Last Answer : Depends on the UPS. It certainly won’t hurt. The surge protector pretty much only trips a breaker if you have a power spike.. The UPS should do the same and give you a chance to shutdown and save stuff if your power goes out. It might be overkill. But it won’t hurt, and better safe than sorry.

Description : Valve Regulated Lead Acid (VRLA) Batteries Advantages

Last Answer : Valve Regulated Lead Acid (VRLA) Batteries are popularly termed as maintenance free lead acid batteries. Each cell in VRLA battery will have a value (automating operating) to allow the gas ... same voltage of the cells, to continue in using existing charging equipment VRLA batteries are economical

Description : How positive and negative terminals of a battery are identified?

Last Answer : Answer: Positive terminal is identified painted with red color and negative terminal is identified painted with blue color on the top of the battery

Description : What is end of life of the battery?

Last Answer : Answer: If a battery cannot able to hold proper charge or if the battery capacity is falls below 80% of its rated capacity then it is considered as the end of life of the ... Charging and discharging cycles Temperature Leakage of the gases or electrolyte corrosion of the plates over discharge rates

Description : What is stratification in the battery?

Last Answer : Answer: During charging of the battery acid is produced at the plate surface and during discharging of the battery acid will be consumed, due to this nonuniform concentration heavy parts of the ... on the top. This phenomenon is call stratification. Stratification affects the life of the battery.

Description : Can VRLA batteries be enclosed in sealed containers?

Last Answer : Answer VRLA batteries should not be enclosed in the sealed containers. Oxygen and hydrogen gases are produced in the battery, however they once again convert back to water. But during over ... sealed container, the pressure inside the container due to hydrogen and oxygen increases and may explode

Description : What factors that decide the VRLA battery to completely charged from fully discharged condition?

Last Answer : Answer: Some of the important factors that determine the duration of the discharged battery to charge are: Duration of the discharge occurred Temperature at which battery is operating Size and efficiency of the charger

Description : Do temperature have effect on battery?

Last Answer : Answer: Temperature is one of the major factors that have impact on battery performance, shelf life, charging and battery voltage control. At higher temperature batteries will have more chemical activity compared to batteries which operate at the designed temperature

Description : What is primary cell and secondary cell?

Last Answer : Answer: Battery which can be discharged only once is called primary cell ex: Manganese Zinc and alkaline Secondary cells are the battery which can be charged and discharged for a number of times ex: Lead acid and Nickel cadmium

Description : How can the state of charge of battery is best indicated?

Last Answer : Ans. The state of charge of battery is best indicated by specific gravity of electrolyte and voltage.

Description : What is a battery?

Last Answer : Ans. Battery is a device which converts chemical energy into electrical energy. It stores energy in form of chemical energy. Types a) Primary cell batteries b) Secondary batteries.

Description : Truck Battery

Last Answer : Need a battery to power your truck but not sure what a truck battery is? Like most batteries used on cars, motorcycles and tractors, truck batteries are lead-acid types. They use lead plates that are ... onto your skin, wash it away immediately with water. Visit a doctor if your skin is burned.

Description : Motorcycle Battery

Last Answer : A true rider knows his motorcycle battery well. After all, it's the part of the bike that allows the engine to start. A typical 12-volt motorcycle battery is encased in plastic and ... result to permanent damage. Always ask an expert first before topping up or charging your motorcycle battery.

Description : Marine Battery

Last Answer : It's nice to go fishing or sailing on a warm sunny day but make sure that your boat has the right battery to power it. A good boat runs on a good marine battery. There are two basic types ... switch a deep-cycle with a cranking battery. The proper battery use will ensure a day of smooth sailing.

Description : Lead Acid battery

Last Answer : If you are a car owner, no doubt you have heard of the term lead-acid battery many times. Well, most car, truck, motorcycle and marine batteries are lead-acid batteries. Lead-acid ... for many of their power supply needs. Lead pollution can be lessened by proper disposal of these batteries.

Description : Battery Trays

Last Answer : You cannot just put a battery in your car, leave it there and drive. That battery might fall over and cause some serious problems to your car. You need a battery tray to secure the battery ... , vibration and shock. High-end models cost more but you will eventually spend less on their maintenance.

Description : Battery Terminal Cleaners

Last Answer : Corrosion is the enemy of car batteries. It can make the most high-end cars fail to start. Battery terminals are especially prone to corrosion because of the presence of water and acid in their ... be restored. If your battery terminals have too much deposit buildup, replace them with new ones.

Description : Battery Terminal

Last Answer : Automotive battery terminals can mean either the posts on a battery to which the jumper cables attach or the part of the cables that attach to the battery's posts. The latter are sometimes ... properly maintained for the car to run smoothly. Regular inspection helps to keep them in good condition.

Description : Battery Clips

Last Answer : So you have a car battery that is losing its power and you don't want to buy a new one. You can recharge it by using battery chargers. However, how do you connect the charger to your ... are unsure about how these clips fasten to your car's battery, ask experts first to avoid potential accidents.

Description : Battery Charger

Last Answer : Do you have a car battery that is losing its power? You can use a battery charger to bring its power back. A battery charger is a device that forces electric current through the battery ... battery are compatible. Carefully read the instructions on how to install the charger to avoid any accidents.

Description : How To Make A USB Battery

Last Answer : Do you know that you can change a normal 9V battery into a USB one? Here's how. Materials Needed 5.1V zener diode 330-ohm resistor 9V battery connector 9V battery Soldering gun and iron Female USB ... 5-1 step 5-2 Now, you should have your very own USB battery in those times of emergency.

Description : A Battery of Powerful Hacks

Last Answer : Chances are that since it's just after the holidays, you've got some nifty new gadgets that need power. If buying batteries is breaking the bank, we're here to help. Here are three of the best battery- ... because fixing these is easy, as long as you know how. Here's how to fix laptop power input.

Description : How to Treat Battery Corrosion

Last Answer : How to Treat Battery Corrosion If you have problems starting up your car or running your vehicle's electrical system, you may have corroded battery terminals. Corrosion reduces the efficiency of your ... can clean out your corroded battery cables and prolong the working span of your car battery.

Description : How to Clean Car Battery Terminals

Last Answer : How to Clean Car Battery Terminals How to Paint a Car One of the most common causes of false starts and poor performance in many automobiles is when car battery terminals get dirty or corroded. ... these simple steps, you never have to pay big money to replace your battery and terminals again.

Description : How to Change a Car Battery ?

Last Answer : How to Change a Car Battery Your car battery is the primary source of your car's electrical power needs. Almost all car batteries available on the market are built to last, although from time to time ... these steps, you can change your car's old battery into a new one with ease and convenience.

Description : How to Change a Watch Battery ?

Last Answer : How to Change a Watch Battery A watch lets you tell time, but when it stops working, then you know it's time to have its battery replaced. You can take your watch back to the shop to ... , but only if it's ticking. If yours stopped, just follow these instructions and replace the battery properly

Description : How to Make a Lemon Battery ?

Last Answer : An acid is corrosive, reacting with other substances upon contact. The reaction's power depends on the item mixed with the acid, especially if its combined with equally reactive substances. Lemon happens to bear ... handy. If you want to know other uses of lemon, read 15 alternative uses for lemon.

Description : How to start the car if the battery is dead?

Last Answer : The relevance of this issue can hardly be overestimated. All drivers have faced this problem at least once. I forgot to turn off the headlights, the light in the passenger compartment, the alarm has ... the car starts, engage neutral as soon as possible. Based on materials from

Description : How to keep the battery charged as long as possible?

Last Answer : How to keep the battery charged as long as possible? Modern smartphones have rather large batteries, and the charge usually lasts for a long time. But what to do if the charger is left at home, ... and waste energy. We hope these simple tips will help you stay connected for as long as possible.

Description : Draw the circuit diagram of battery charger using SCR and explain it’s working.

Last Answer : Battery charger circuit using SCR: The figure shows the battery charger circuit using SCR. A 12V discharged battery is connected in the circuit and switch SW is closed. The singlephase 230V ... not fired. In this way, after full charging, further charging is automatically stopped.

Description : when charging a battery we use a DC supply but not an AC supply. Why ?

Last Answer : When power is supplied to the battery, electrolyte inside the battery is divided into positive and negative ions, where ions with similar pole is gained in one side. This reactionʼs flow coincides with direct current.

Description : List out the precautions to be taken while charging of lead- acid battery 

Last Answer : precautions to be taken while charging of lead- acid battery: 1) Never keep the battery in the circuit and connect for external charging if it is not designed so. 2) While disconnecting / removing a ... tools etc on batteries. 10) Do not splash any liquids on the batteries, near the charger etc.

Description : Explain the maintenance of lead acid battery.

Last Answer : Maintenance of lead acid battery: 1) Keep the container surface dry by using dry cloths. 2) Tighten the terminal connections. 3) Battery should not be discharged below a minimum voltage. 4) Never keep battery ... -container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

Description : In lead acid battery the density of acid indicates the  (1) charge of the battery (2) level of acid (3) e.m.f of the battery (4) damage of the plates

Last Answer : In lead acid battery the density of acid indicates the charge of the battery

Description : The state of charge of the battery is indicated by the electrolyte's :  (A) mass (B) colour (C) viscosity (D) specific gravity

Last Answer : The state of charge of the battery is indicated by the electrolyte's : specific gravity

Description : The storage battery generally used in electric power stations is  (1) zinc carbon battery (2) lead acid battery (3) nickel cadmium battery (4) lithium -ion battery

Last Answer : The storage battery generally used in electric power stations is lead acid battery 

Description : The current flow in a battery is due to ______ A) movement of ions B) movement of protons C) movement of holes D) movement of neutrons

Last Answer : The current flow in a battery is due to movement of ions

Description : In a battery, the difference between the no-load voltage and the measured voltage output is called ________ A) Internal voltage B) Internal resistance C) External resistance D) All the above

Last Answer : In a battery, the difference between the no-load voltage and the measured voltage output is called Internal resistance

Last Answer : Battery operated trucks are used in factories for material transportation.

Last Answer : It is required to measure the true open circuit e.m.f. of a battery. The best device is D.C. potentiometer.

Description : How do you charge a capacitor with a battery?

Last Answer : The  capacitor  is  connected   in  parallel  with   the  battery.

Description : Can you make alternating current through a battery?

Last Answer : Yes, we can make AC through a battery using an inverter.

Description : Is current from a battery AC or DC?

Last Answer : The current from the battery is DC

Description : How to make power bank from laptop battery cells?

Last Answer : You can make the power bank from laptop battery cells. Things you need to make power bank from laptop battery cells: Laptop battery cells (about 6 in parallel) Universal Dual USB 5V 1A 2.1A New Hot ... If you have any doubt ask it. Thanks...

Description : what is the difference between capacitor and battery ?

Last Answer : A capacitor stores power but in very small quantitys and work in D/C and A/C circuits and it needs a power source from wich it gets the power it stores and a battery also stores power but in much larger quantitys measured in Amp/Hours

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