Battery Manufacturers in Peenya
With Peenya, in north-west Bengaluru, becoming a major industrial hub, all the stakeholders have felt the need for hassle-free industrial activity. Thus, quite many power system manufacturing units have been set up in Peenya.
Here are some of the Battery Manufacturers in Peenya:
- Suntrac Energy Systems Private Limited
- Anu Solar Power Pvt Ltd
- Banavathy Power Systems Pvt. Ltd.
- Celtek Batteries Private Limited
- Consul Neowatt Power Solutions Pvt. Ltd.
- Devaki Engineering Enterprises Pvt. Ltd.
- Festo Power Industries
- Green Secure Energy Systems
- Microtex Energy Private Limited
- PowerOne Micro Systems Pvt. Ltd.
What is a Battery?
A battery is usually referred to as a container having one or more cells, in which chemical energy is converted into electricity and use as a source of electrical power.
What are the Main Parts of a Battery?
The “CELL” is the basic power unit inside a battery. It consists of three main items: two ELECTRODES (Electrical Terminals) and a chemical called “ELECTROLYTE” in between them. All these three items are usually packed inside a metal or plastic outer shell for safety and convenience, with two terminals on the outside, connected to the electrodes that are inside.
A cell is a single unit of a battery. Two or more cells linked up form a battery; their power adds up together.
How does a Battery work?
When you connect the battery’s two terminals into a circuit (for example a flashlight), the chemicals in the electrolytes inside the battery are converted into other substances. Ions are formed from the materials in the electrodes and involve in the chemical reactions. Electrons move from one terminal to the other through the outer circuit, powering the item connected to the battery. Once the electrolyte is transformed completely, the ions stop moving through the circuit. The battery is exhausted and has to be replaced.
What are the Two main Types of Batteries?
Batteries are available in different shapes, sizes, voltages and capacities. (amount of stored charge or energy). Batteries have different sorts of electrolytes and electrodes.
However, they are just two main Types of Batteries:
(a) Primary Battery (ordinary, disposable batteries that cannot be recharged) and
(b) Secondary Battery (can be recharged several times) – you can charge secondary batteries by passing current through them in the opposite direction of its normal flow (example – charging your mobile phone.)
What are the Types of Batteries available in the market now?
Both primary and secondary batteries are available in the market now. The primary batteries do not have liquid in them and thus are called dry cells. The three main kinds of primary batteries are zinc-carbon, alkaline and lithium.
Zinc-carbon batteries – cheapest and ordinary everyday batteries, used for things such as flashlights, pocket radios.
Alkaline batteries – similar to zinc-carbon batteries in looks, but store more energy and last longer
Button batteries – work similarly like alkaline batteries, used in items such as quartz watches, hearing aids
In the 1980s and 1990s, rechargeable batteries were unheard of. The only rechargeable batteries were the “lea-acid accumulators” used in cars.
Lead-acid batteries have been tried, tested and trusted since the middle of the 19th century. Their overall capacity is 12 volts with six separate cells of 2 volts. Each cell has a spongy lead metal electrode (negative), a lead dioxide electrode (positive) and a sulphuric acid electrolyte. Once the battery starts discharging, led sulphate forms on both electrodes. The sulphuric acid is converted into water, while electrons flow out around the external circuit to provide power.
Lead-Acid Batteries are popularly known as car batteries. For a long-time they have been the technology of choice for automotive SLI (starting, lighting and ignition). They have a major role in helping you to start your car easily. Your car engine automatically charges the lead-acid battery through an alternator. Lead-acid batteries are big, heavy and expensive and cannot be fully charged and discharged many times. If dumped in landfills, the toxic lead metal can be hazardous to the environment.
The advantages of lead-acid batteries (car batteries) are that they are low cost, reliable, robust and can deliver very high currents. If you store the car batteries without electrolyte, they will have an indefinite shelf life. The lead-acid batteries (car batteries) have been the most recycled product in the world.
The shortcomings of the lead-acid batteries (car batteries) include their being bulky and heavy, unsuitable for fast charging. Once the electrolytes have been introduced into them, the “Car Batteries” need to be always stored in a charged state to prevent the active chemicals from deteriorating.
Nickel-Cadmium Batteries (NiCd):
Nickel-Cadmium batteries (NiCd) are widely used in place of the disposable 1.5-volt batteries in toys, power tools and more. Nickel-Cadmium cells are relatively cheap and can be charged and discharged. If properly taken care, they can last about a decade.
You need to discharge NiCd batteries fully before charging them; else, the amount of charge that they are capable of storing and their lifespan will be greatly reduced. You need to regularly discharge the batteries completely and then charge them. The NiCd batteries have the toxic cadmium. These batteries have to be recycled instead of disposing into a landfill because cadmium can escape into the soil and pollute the nearby watercourses.
NiCd batteries have advantages such as tolerance for deep discharges and low internal resistance. In addition, NiCd batteries use low-cost potassium hydroxide (KOH). The battery charging process is endothermic – it cools during charging; thus, quick charging is possible.
NiCd batteries involve Cadmium – an expensive heavy metal and it is known to be harmful to the environment. Thus, NiCd batteries are being phased out in favour of NiMH batteries. Overheating can lead to damage. NiCd batteries have low voltage of 1.2 V compared to alkaline primary cells.
Nickel-Metal-Hydride Batteries (NiMH):
NiMH batteries work similarly like NiCd and are considered as alternative to NiCd batteries. These batteries do not have to be discharged completely before charging. In gadgets such as mobile phones, these batteries can be topped up for a quick recharge.
Advantages of the NiMH batteries include high energy density (W/kg), and robust (NiMH tolerate overcharge and over-discharge conditions thus simplifying the requirements. Wide range of temperature to operate is an additional advantage. The NiMH batteries are environment-friendly because they do not have cadmium, lead or mercury.
Shortcomings include low cell voltage – only 1.2 volts compared to the lithium battery. This means you need many cells to make up a high voltage battery. NiMH batteries are less tolerant of overcharging compared to NiCd cells. The supply of the rare earth element Lanthanum, required for NiMH batteries, is limited. NiMH batteries need to have safety vents to protect the cell in case of gas generation.
Lithium Ion Batteries:
Lithium Ion batteries are rapidly gaining preference among the rechargeable. They are use in mobile phones, MP3 players, laptop computers and more. Lithium, a light-weight metal, forms ions easily a thus a perfect choice for making batteries. The latest Lithium Ion batteries are much better than NiC by way of energy storage and working at higher voltages. They are environment-friendly as well. However, they do not last as long.
Compared to lithium batteries (that cannot be recharged), lithium ion batteries can be charged many times. They have greater energy density. Thus, equipments such as mobile phones that need to operate for a long time need batteries with high energy density; lithium ion batteries have been the first choice. Compared to other batteries, lithium ion batteries have a slower rate of self-discharge. They do not require much maintenance. In addition, various types of lithium ion batteries are available in the market.
Disadvantages of lithium ion batteries include need for protection, such as charging and discharging within the safety limits. If a lithium ion battery needs to be store, they need to be partially charged at 40 to 50 per cent and kept in a cool place, to maintain its lifespan. Moreover, the lithium ion battery technology is an up-and-coming area and is thus developing. Technology always moves forward, thus better options in the lithium ion batteries will be available.
Nickel Iron (NiFe) Batteries:
Thomas Alva Edison Introduced this robust battery in 1900. This battery lasts longer compared to the other secondary batteries. NiFe batteries are often used in backup situations where it can be continuously charged. NiFe batteries can last for about two decades. The NiFe cells have an open circuit voltage of 1.4 V and the discharge voltage is 1.2 volts.
Another advantage of the NiFe battery is it can be discharged as deeply as possible and recharged, as compared to lead acid battery that is required to stay charged. The low solubility of the reactants in the electrolytes of the NiFe battery, such as Potassium Hydroxide (KOH) enables the NiFe batteries to withstand frequent cycling. Its lifetime is about 30 years.
The NiFe battery has shortcomings such as low cell voltage, very heavy and bulky, charges and discharges very slowly. Besides, its hydrogen gassing is more pronounced compared to NiCd cells.
Car Battery Charging / Car Battery Chargers
Driving your car within the city limits can involve a lot of stopping and starting. This makes your car components such as your car battery work more than normal. Consequently, much current is drained off the battery than the alternator can replenish. (The alternator is a vital component that charges the battery as you run the car engine.) Ultimately your battery will not have sufficient power to charge the starter motor.
It is important to note that just merely driving your car within your locality for a few minutes is not enough to charge your car battery. With the advent of modern technologies and advanced electrics, you need a quality car battery charger to get your car battery ready for the drive.
Car battery chargers help you extend the life of your car battery, restore its performance and minimise the chance of your vehicle breaking down.
A car battery charger is a device that forces an electric current through a rechargeable car battery, thus charging it. Basing on the type of battery being charged, the charge supplied will vary. For example, the charging regime for a calcium (Ca-Ca) car battery is different from that for an Absorbed Glass Mat (AGM) battery. In addition, there are various types of lead acid battery types. An incorrect or incompatible car battery charger can result in an undercharged or overcharged battery damaged beyond repair.
You can charge a Car Battery by:
- Simple charging – the car battery charger supplies DC power to a battery. The charge is constant and does not vary.
- Trickle charging – the car battery charger supplies low current and the battery takes a longer period of time to charge fully. The trickle charging regime would involve the car battery charger to be indefinitely connected to the battery.
- Time-based charging – the car battery charger stops charging after a set period of time. Overcharging may occur thus irreparably damaging the battery.
- Intelligent charging – the car battery charger charges the battery basing on the technology that assesses the level of charge in the battery. The charging stops once the battery charge level reaches its full capacity. This method helps keep the battery in a good state of health and extend battery life.
Solar Battery Charger
A solar battery charger is a portable device that uses solar energy to supply electricity to devices or charge batteries. Solar battery chargers can charge lead acid or Ni-Cd battery banks up to 48 volts and several ampere-hours (up to 4000 Ah) capacity.
Solar battery charger setups usually involve a charge controller. A series of solar panels are set up in a stationary location such as rooftops of homes, office buildings, base-station locations on the ground, and can be connected to a battery bank to store energy for off-peak usage. You can also use them to mains-supply chargers for energy saving during the day.
Most portable solar battery chargers can get energy solely from the sun. Some brands can accumulate charge from sunlight or by plugging it to the electrical power source in the wall.
Solar battery chargers can be as small as your mobile phone, television remote control, mounted onto a backpack, Small portable solar battery chargers are designed to charge mobile phones, iPods and other audio equipment.
Motorcycle Battery (Two-Wheeler Battery)
Today’s motorcycles are fitted with a small sized 12-volt battery. They are usually fixed inside or adjacent to the toolbox compartment. The button-starting two-wheelers such as motorcycles and scooters definitely depend on a fully-charged motorcycle batteries to start the engine. Once the engine is up and running, the electricity passes through the motorcycle battery, thus charging it.
The motorcycle batteries have advantages such as zero-maintenance, spill-proof design guards, advanced Lea-Calcium technology that inhibits self-discharge and flame arrestor.
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