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What is C rating in the Battery Means for home Inverter/UPS?

What does the C rating in the Battery mean for home Inverter/UPS? The C rating in a battery measures how fast the Battery can be discharged. It is calculated by dividing the Battery’s capacity by the discharge current. For example, a battery with a capacity of 100Ah and a C rating of 1C can be […]

August 12, 2023/0 Comments/by Kunwer Sachdev

Square Wave Vs Sinewave UPS for Computers

TECHNOLOGY BLOGS

Square Wave Vs Sinewave UPS for Computers? Most of the UPS, sold for single computer applications, come in the range of Rs 2000/ in India and are square wave UPS, all imported from China, and people buy when they buy a computer to provide backup and protection. They do not realize they are buying a […]

August 9, 2023/0 Comments/by Kunwer Sachdev

What is C rating in the Battery Means for home Inverter/UPS?

TECHNOLOGY BLOGS

Su-vastika

August 12, 2023/0 Comments/by Kunwer Sachdev

Square Wave Vs Sinewave UPS for Computers

TECHNOLOGY BLOGS

August 9, 2023/0 Comments/by Kunwer Sachdev

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What is C rating in the Battery Means for home Inverter/UPS?

TECHNOLOGY BLOGS

Su-vastika

For example, a battery with a capacity of 100Ah and a C rating of 1C can be discharged at a rate of 100 amps for one hour. This means the Battery can provide 1000 watts of power for one hour.

A higher C rating means the Battery can be discharged with a higher discharged current, and the backup time will be according to the C rating. This means the Battery is designed for the C1 rating, and one can discharge the C1 rating, and it will give the backup for exactly one hour of 1000 watts, and life will be defined as the cycle life by the manufacturer.https://batteryuniversity.com/article/bu-402-what-is-c-rate

The C rating is important when choosing a battery for a specific application. For example, if you need a battery that can provide a lot of power for a short period, you would need a battery with a high C-rate. If you need a battery that will be required for running bigger or smaller loads accordingly, you choose the higher or lower C-rate Battery.https://suvastika.com/difference-between-c20-and-c10-tubular-battery/

Here is a table summarizing the different C-rates and their corresponding discharge times:

C-rate	Discharge time
C1	1 hour
C2	30 minutes
C5	12 minutes
C10	6 minutes
C20	3 minutes
C100	1 minute

Lithium-ion batteries can generally be discharged at higher C-rates than lead-acid batteries. This is why lithium-ion or Lithium LifePO4 batteries are often used in applications where a fast discharge rate is required, such as electric vehicles, solar power and Inverter/UPS applications.https://suvastika.com/tubular-battery-is-c20-and-c10-and-lithium-battery-is-c1-capacity/

Here are some examples of C ratings for different types of batteries:

Lithium-ion battery: 1C to 5C
Lead-acid Battery: 0.1C to 0.5C
NiMH battery: 0.5C to 1C
NiCd battery: 0.5C to 1C

The C-rate Battery required for running the home or office load depends on the backup time and the power capacity. So, for example, if we have a 1000-watt load for the home to run and choose a C20 Tubular Lead Acid battery capacity of 150 Ah, then our backup time will be approximately less than 40 minutes. But if our Load is 400 watts, the same Battery will give approximately 3 hours as the C20 Tubular battery is designed to discharge the 7.5 Amps. Suppose we discharge the Battery for 90 watts of the Load. Theoretically, it should give 20 hours of backup as the C20 rating denotes the value at which the Battery should be ideally discharged to get maximum efficiency. But if we discharge at higher loads, the battery capacity and life will fall. One can see the tubular Lead Acid battery 150 Ah chart and what kind of Load and the backup time one will get. This chart is made at Su-vastika after many battery tests on home Inverters/UPS available in the Indian market. Otherwise, the user is always confused along with the reseller on how to calculate the real back p time, which is a big challenge for everyone from the seller to the user. Also, we tested the C1 Lithium LifePo4 battery, checked the backup time using the same Inverter/UPS, and made the results for your convenience. If you are using the Inverter/UPS or solar backup application, this result helps the user choose the right Battery per their needs and budget.

C10 Rated 150Ah & 200Ah battery Backup

C20 Rated 150Ah & 200Ah battery backup

If your home load is larger or the power outage’s expected duration is longer, you may need a battery with a higher C rating. For example, a C20 battery can be discharged at 5% of its capacity per hour. This means a 150Ah tubular battery with a C20 rating can provide 7.5 amps of power for 20 hours.

It is important to note that discharging a battery at a high C rate can reduce its lifespan. Therefore, it is best to choose a battery with a C rating that is appropriate for your needs.

Here are some factors to consider when choosing a C-rate battery for running a home load:

Size of the home load: The larger the home load, the higher the C rating of the Battery you will need.
Expected power outage duration: The longer the power outage duration, the higher the C rating of the Battery you will need.
Battery type: Different battery types have different C ratings. Lithium-ion batteries can typically be discharged at higher C rates than Tubular lead-acid batteries.
Battery cost: Batteries with higher C ratings are typically more expensive than batteries with lower C ratings. but they can provide you with higher Load and life compared to lower C rating batteries.

It is important to consult with a battery expert to choose the right C-rate battery for your home or office load.

August 12, 2023/0 Comments/by Kunwer Sachdev

Square Wave Vs Sinewave UPS for Computers

TECHNOLOGY BLOGS

Square wave UPS

A small UPS for computer protection in square waves can harm computers. Square wave inverters produce a sharp, rectangular voltage waveform that can cause problems for sensitive electronic equipment. https://suvastika.com/why-a-pure-sine-wave-technology-is-a-must-for-your-inverter/ This is because the square wave waveform can contain harmonics, which are high-frequency components that can interfere with the operation of the Computer’s power supply. In some cases, the harmonics can cause the Computer to overheat or damage the components.

For this reason, using a square wave UPS to power a computer is not recommended. If you need to use a UPS to protect your Computer from power outages, choosing one that produces a pure sine wave output is important. Pure sine wave UPS are more expensive than square wave UPS but safer for computers. https://www.daytradingbias.com/sine-wave-and-square-wave-uninterruptable-power-supply-ups/

Here are some of the problems that can occur if you use a square wave UPS to power your Computer:

Overheating: The harmonics in the square wave waveform can cause the Computer’s power supply to overheat. This can lead to premature failure of the power supply or other components. Rather than protecting the Computer, it ensures the Square wave UPS damages the power supply or motherboard of the Computer, which become non-repairable.
Damage to components: The square wave waveform harmonics can also damage the Computer’s power supply components. This can lead to intermittent problems or even permanent damage to the Computer.
Noise: The square wave waveform can also produce noise that can interfere with the operation of the Computer. This noise can manifest as audio interference, video interference, or data corruption. If you connect the computer speakers, you will get the noise once the UPS comes on the battery mode.
Switching time is higher in the square wave UPS, so sometimes computers will reboot when the power goes or come back, which is also one reason to avoid square wave UPS.
Built-in Stabilizer made by relays which work for stabilizing the voltage also create harmonics when the UPS is working on the Mains power as the AVR section try to correct the voltage through the switching of relays which in turn produce sparks and spikes in the UPS system which goes directly to the computer.

If you are concerned about the safety of your Computer, it is best to use a UPS that produces a pure sine wave output. Pure sine wave UPSs are more expensive than square wave UPS, but they are the only insurance for the Computer; otherwise, it’s better not to attach any UPS for the safety of the Computer as the Square wave only creates problems for the computers. Square Wave Vs Sinewave UPS for Computers is a subject which needs to be understood by everyone buying UPS to protect their Computer.

August 9, 2023/0 Comments/by Kunwer Sachdev

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What is C rating in the Battery Means for home Inverter/UPS?

Square Wave Vs Sinewave UPS for Computers

What is C rating in the Battery Means for home Inverter/UPS?

Square Wave Vs Sinewave UPS for Computers

Full Sized Blog Element (Big Preview Pic)

What is C rating in the Battery Means for home Inverter/UPS?

Square Wave Vs Sinewave UPS for Computers

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