Best UPS Inverter in India for home use: Top 7 inverters + buying guide

“There is nothing like staying at home for real comfort. And an inverter can have a big influence on it. Choose wisely.”

Choosing the right UPS inverter is key if we want to have a worries-free time while enjoying our time at home.

Do you need an UPS inverter for home and want to know which one is best? 

If you just want to know what the Top 7 UPS inverters for home use in India are, you can find a summary on the table below. 

If you are still not clear on what your needs or requirements are please, keep reading. I will guide you and help you understand what your requirements are and which are the best options to choose from.

Top 7 UPS Inverters for home use in India

700 Luminous Zelio+ 1100 Home Pure Sinewave UPS Inverter 2.1


Luminous Zelio+ 1100 Sine wave Home UPS Inverter


Good value for price

Supports 1 battery

Luminous Zelio WiFi 1700 Sine Wave UPS Inverter 1

Luminous Zelio+ 1700 Sine Wave Home UPS Inverter


Premium option

Supports 2 batteries

Luminous Home UPS Zolt 110 2 tiny

Luminous Zolt 1100 Sine Wave Home UPS Inverter


Economical option

Supports 1 battery

Microtek Ups 24×7 Hb 1125Va Hybrid Sinewave Inverter 2 tiny

Microtek UPS 24x7 HB 1125 VA Hybrid Sine Wave Inverter


Good value for price

Supports 1 battery

Microtek Ups 24×7 Hb 950Va Hybrid Sinewave Inverter 2.1

Microtek UPS 24x7 HB 950 VA Hybrid Sine Wave Inverter


Economical option

Supports 1 battery

Luminous Hkva 2 Kva Sine Cruze Wave UPS Inverter 2 tiny

Luminous Home UPS inverter 2k Cruze+


Premium option

Supports 2 batteries

Can run heavy loads

V-Guard Prime 1150 DUPS 1.2

V-Guard Prime 1150 DUPS inverter


Mid-premium option

Supports 1 battery

Short Buying Guide

What do you need to consider to choose the right inverter?

1. First and most importantly, you need to understand what your requirements are.

Your power requirements:
Number and type of appliances you would like to have operating when there is a cut.

Every appliance has some power requirements which are expressed in Watts. The sum of all the watts that every appliance has is the total wattage
The wattage required will tell you what type of inverter and battery you need.

Appliances-from-India-small

VA rating of your inverter:
How do you find the VA rating of the UPS/inverter you need for my home?
You will learn how to calculate it on the more extense buying guide below.


The Back up time:
How long do you want your appliances to work for?

Again, in this case you will probably have to take into consideration what battery and how many of them you connect to the inverter. Also, the batteries selection will influence what inverter you will need.

2. Type of UPS Inverters to choose from


Inverters can be classified in many ways, but one but the most common ones is in the way they transform the electrical current from DC to AC. There are 2 types of Inverter:

  1. Pure Sine Wave Inverter
Pure Sine Wave shape
  • Safe.
  • Less economical (but the gap has been closing in recent years).
  • Most common appliances are supported.
  • Recommended for sophisticated appliances or delicate electronics.
  • Consumes more energy to operate the appliances.
  1. Modified Sine Wave Inverter (or Square Wave Inverter)
Square sine wave
  • Less safe.
  • More economical.
  • Recommended for certain types of equipment or appliances.
  • Can cause humming noise when used with induction motors (example: ceiling fans) or more sophisticated appliances.
  • Lower energy consumption to operate the appliances.

The Pure Sine Wave type reproduces the alternate current (AC) wave as it comes directly to your home, matching its shape perfectly.


The Squared Wave type (or the modified sine wave) reproduces a wave that is not as refined as the Pure Sine. It is more an approximation. Since it is a simpler wave means it also needs less energy to produce it. So, it consumes less electricity. 

3. UPS or Inverter? What is the difference?

Even though UPS and Inverter are used by many people interchangeably, they are different!


Both serve the same purpose, transforming DC to AC. The main difference is that UPS starts operating faster when there is an electricity cut compared to an Inverter.


We are talking about milliseconds of difference between UPS and Inverter but there are appliances that might be affected by this small difference.


Simply put, UPS are more convenient for appliances like laptops, desktop computers, stereos and laser printers. You might damage the electronic components of the computer or lose the work you are working on if suddenly there is a cut. 

UPS-Vs.-Inverter-Differences

4. Other considerations or characteristics

Brand authority: Well known brands usually (not always!) offer better customer service, reliable and extensively rewied products.

Warranty: typical warranty times are 1-3 years.

Price: it will mostly vary depending on the characteristics of the inverter (VA, type of sine wave, additional features, etc.).

Features: even though the important part from an inverter is its capacity to transform the current, different models offer additional extra functionalities (screens with menus, various indicators, Wi-Fi connectivity, etc.)

Top 7 UPS Inverters for home use in India: models analysis.

1. Luminous Zelio+ 1100 Home Pure Sinewave UPS Inverter

700 Luminous Zelio+ 1100 Home Pure Sinewave UPS Inverter 2.1
Luminous Zelio+ 1100 Home Pure Sinewave UPS Inverter (Black) back

The Luminous Zelio+ 1100 UPS inverter is ideal for you if you are demanding, want to make sure you get the best inverter . At a good value for price.

The Luminous Zelio+ 1100 is one of the most positively reviewed of its category. Being considered a good value for money and a reliable UPS Inverter. It produces a Pure Sine Wave. It has a warranty of 24 months. It supports a wide battery range (Tubular, Flat Plate, VLRA) and includes a Wi-Fi connectivity on Smartphone (Android & iOS) with remote App monitoring, among many other characteristics. It has an output of 756 W.

Luminous Power Technologies is a subsidiary of Schneider Electric, which is a French multinational corporation headquartered in Rueil-Malmaison, France. Luminous batteries provide the vast experience from an electrical group as Schneider, which spends importantly in R&D. Holding about 20000 patents.

Pros

  • Reliable brand.

  • 24 months warranty.
  • LED display: battery charging/discharging time, etc.
  • Customer service: multiple PitStops and 24x7 line.
  • Sine Wave inverter.
  • Wi-Fi connectivity

Cons

  • Premium brand, which can be seen in the price: less cheap.
  • Charging & discharging times displayed in the LCD might not be accurate as it is an estimate.
  • Reduced noise but it might sometimes still produce some.
  • Might heat up a bit depending on the usage.
Luminous Zelio WiFi 1700 Sine Wave UPS Inverter
Luminous Zelio+ 1100 Home Pure Sinewave UPS Inverter (Black) back

The Luminous Zelio+ 1700 is the option to go for in the case you need to connect 2 batteries or you are planning to do so in the future, and do not mind paying a little extra.

The Luminous Zelio+ 1700 is the option to go for in the case you need to connect 2 batteries or you are planning to do so in the future.

The difference in price between the Zelio+ 1100 & the Zelio+ 1700 comes mainly from the VA difference. Having both models the same features besides the capacity of the Zelio+ 1700 to support 2 batteries. It has an output of 1260 W.

It produces a Pure Sine Wave. It has a warranty of 24 months. It supports a wide battery range (Tubular, Flat Plate, VLRA) and includes a Wi-Fi connectivity on Smartphone (Android & iOS) with remote App monitoring, among many other characteristics. 

Pros

  • Supports 2 batteries

  • 24 months warranty.
  • LED display: battery charging time, etc.
  • Customer service: multiple PitStops and 24x7 line.
  • Sine Wave inverter.
  • Wi-Fi connectivity

Cons

  • Premium brand, which can be seen in the price: less cheap.
  • Charging & discharging times displayed in the LCD might not be accurate as it is an estimate.
  • Reduced noise but it might sometimes still produce some.
  • Might heat up a bit depending on the usage.
Luminous Home UPS Zolt 110
Luminous Zolt 1100 Sine Wave Home UPS Inverter (Black) back

The Luminous Zolt 1100 inverter is one of the most economical options. It is the battery to go for if it suits your needs. Lesser non-essential features make it simpler and easier to use.

The Luminous Zolt 1100 is a good value for the price. It has the same VA as the Luminous Zelio+ 1100, which is 900 VA, being the main difference the price (slightly lower) and having a simpler design and lesser fancy but not essential features too. It has an output of 756 W.

It is worth it to check its availability since according to the manufacturer might only be available to some areas in India. It has a warranty of 24 months. It supports a wide battery range (Tubular, Flat Plate, VLRA). 

Pros

  • One of the most economical options from Luminous.

  • Warranty of 24 months.
  • Sine Wave Inverter.
  • Supports a wide battery range.
  • Reliable brand.

Cons

  • Might not be available in some parts of India.
  • Charging & discharging times displayed in the LCD might not be accurate as it is an estimate.
  • Might heat up a bit depending on the usage.
  • No Wi-Fi connectivity as other Luminous models.
Microtek Ups 24×7 Hb 1125Va Hybrid Sinewave Inverter
Microtek Ups 24×7 Hb 1125Va Hybrid Sinewave Inverter back

The Microtek UPS 24x7 1125 VA Inverter is one of the most economical as well as reliable options. Great value for price if you do not require fancy features.

The Microtek UPS 24x7 HB 1125 VA Hybrid Sinewave Inverter is one of the most economical options. It is a definitely good for price for value considering that it performs as reliably as other less economical brands. It has an output of 900 W.

It comes with very similar features as other more premium inverters:

  • Battery Charging Current Selection Switch with Standard (10 Amps) & Fast Charging (14 Amps) Mode.
  • Bypass Switch: In case of UPS failure, the electricity will be bypassed.
  • Display icons on LCD: mains on, battery charging, overload, battery low, fault indication.
  • Battery type Selection Switch for Tubular and Flat Plate Battery type (at the back).
  • Voltage Range Selection Switch.

Microtek International PVT. LTD. claims to be the India’s Largest Power Products manufacturer having products like Line Interactive UPS, Online UPS, Digital & Intelli Pure Sine wave UPS Such as UPS EB / UPS E²+ and Hybrid UPS 24×7.

Pros

  • Economical option.

  • 24 months warranty.
  • Reduced operating noise.
  • Compatible with most of the battery types.
  • 1125 VA, relatively higher rating compared to similar inverters.

Cons

  • Might be less reliable than other models.
  • Lower brand authority
  • Even though it has a 1125 VA rating, still can only support 1 battery.
  • Lacks additional features that other brands might have (Wi-Fi connectivity, etc.) but at a higher price, of course.
Microtek Ups 24×7 Hb 950Va Hybrid Sine wave Inverter
Microtek Ups 24×7 Hb 1125Va Hybrid Sinewave Inverter back

The Microtek UPS 24x7 950 VA Inverter is the most economical of the analysis but considered as a reliable option. Great value for price if you do not require fancy features.

The Microtek UPS 24x7 HB 950 VA Hybrid Sinewave Inverter is one of the most economical options. It is a definitely good for price for value considering that it performs as reliably as other less economical brands. This Microtek model has an output of 760 W which is lower than the other Microtek model analysed, but it also comes at a lower price. Again, it will depend on your needs.

It comes with very similar features as other more premium inverters:

  • Battery Charging Current Selection Switch with Standard (10 Amps) & Fast Charging (14 Amps) Mode.
  • Bypass Switch: In case of UPS failure, the electricity will be bypassed.
  • Display icons on LCD: mains on, battery charging, overload, battery low, fault indication.
  • Battery type Selection Switch for Tubular and Flat Plate Battery type (at the back).
  • Voltage Range Selection Switch.

Microtek International PVT. LTD. claims to be the India’s Largest Power Products manufacturer having products like Line Interactive UPS, Online UPS, Digital & Intelli Pure Sine wave UPS Such as UPS EB / UPS E²+ and Hybrid UPS 24×7.

Pros

  • Economical option.

  • 24 months warranty.
  • Reduced operating noise.
  • Compatible with most of the battery types.

Cons

  • Might be less reliable than other models.
  • Lower brand authority
  • Lacks additional features that other brands might have (Wi-Fi connectivity, etc.) but at a higher price, of course.
V-Guard Prime 1150 DUPS
V-Guard Prime 1150 DUPS detail

The V-Guard Prime 1150 DUPS inverter is equipped with some additional features that might come at an extra cost but the manufacturer claims you get it in return since the V-Guard UPS inverter makes you save electricity. 

The V-Guard Prime 1150 DUPS UPS inverter apparently is a model that is exclusive for amazon and cannot be acquired via the traditional ways.

It is a reliable brand and also a very well produced and reliable UPS inverter. The company claims some interesting features for this UPS inverter series:

  • Battery water topping reminder.
  • 2 years warranty.
  • Supports 1 battery.
  • It has an output of 800 W.
  • Normal/high voltage modes for different out put voltage performances.
  • Digital Signal Controller based design for pure Sine Wave output.
  • Battery Gravity Builder with overcharge and deep discharge protections.
  • Use UPS/Normal modes easily from front switch - No need to put hand behind the inverter as in other products.
  • Less energy consumption in a year as compared to any other brand.
  • Normal/high output voltage models.
  • Battery gravity builder.
  • Charging mode selection for different battery technologies (Flat/Tubular battery) and capacities (BO to 230 Ah) using selector switch.
  • 10-15% higher back up than any other competitor brands.

V-Guard is a consumer goods company headquartered in city of Kochi, Kerala, the company now has over 500 distributors, 30,000 retailers, and branches across India. The company manufactures voltages stabilizers, electrical cable, electric motors, geysers, pumps, solar water heaters, electric fans and UPSs inverters.

Pros

  • Battery water topping reminder.

  • Less yearly energy consumption compared to other brands, according to manufacturer.
  • Battery gravity builder (overcharge and deep discharge protection)
  • Compatible with most of the battery types.
  • Front switch for UPS/normal modes.
  • Reliable brand and good quality product.

Cons

  • Premium brand, which can be seen in the price: less cheap.
  • Lacks some non-essential features that other brands have at a similar or even lower price.
  • Battery water topping reminder is simply informative. there is no level prove or similar.
Luminous Hkva 2 Kva Sine Cruze Wave UPS Inverter
Luminous Hkva 2 Kva Sine Cruze Wave UPS Inverter back

The Luminous Hkva 2k VA is a premium UPS inverter that not only supports 2 batteries but also can run heavy loads (AC, Geysers, Photocopiers, etc.). It offers a high quality and reliable power back-up solution for office and homes.

The Luminous Hkva 2k VA superior capacity can clearly be noticed with its dimensions (43 x 35 x 34 cm) and is heavier compared to the other models suggested (22.25 kg). The input mains type is single phase.

It can connect 2 batteries and can run loads of up to 1680 W, so it can be useful for homes or also for offices. It has a maximum charging current of 21 amperes (14.4 A for a 12 v single battery), so batteries cannot be connected in parallel. 

As an example, an AC of 1.5 tonne has a wattage of 2000 W, so in this case this UPS inverter would not be adequate.

Some of the features the manufacturer claims are:

  • Sine Wave Inverter.
  • 24 Month Warranty.
  • Safe for sensitive appliances with Sine wave out-put.
  • Can run heavy loads like AC, Geyser, Petrol Pumps, Photocopiers, Dental Chairs etc., depending on their capacity (check your power requirement first).
  • Auto over-load handling capacity.
  • MCB for protection from Input mains.
  • Bypass switch for supplying output directly from grid in case of Home UPS fault.
  • Noiseless Operations with the help of low harmonic distortion
  • Intuitive Display to easily understand status of mains availability, battery status, etc.
  • Comprehensive protection against short-circuit, reverse polarity, battery over-charge, deep-discharge etc
  • Adaptive Battery charging control system technology (ABCC) ensures faster battery charging and enhances battery life by around 70%
  • Supports a wide battery range, i.e. Flat Plate, Tubular & VRLA (SMF)

Pros

  • Premium option: robust technical characteristics and superior quality.

  • Supports 2 batteries.
  • Additional safety features that ensure a smooth operation of your appliances.
  • Compatible with most of the small and medium needs.
  • Easy installation.
  • Reliable brand.

Cons

  • Bulky item (>20kg).
  • Superior capacity compared to the other models analysed but still might not be able to support an AC (depending on the W).
  • Premium option that comes at a less economical price.
  • Higher Amperage supported but still cannot support 2 batteries of 12 v in parallel (28 A).

UPS Inverter

Capacity (VA)

Weight (kg) and dimensions (LxWxH)

Output Power (W)

Maximum charging current (A)

700 Luminous Zelio+ 1100 Home Pure Sinewave UPS Inverter table

900 VA

10 kg; 275x248x120 mm

756 W

15 A

Luminous Zelio WiFi 1700 Sine Wave UPS Inverter table

1500 VA

14.3 kg; 310x290x135 mm

1260 W

17 A

Luminous Home UPS Zolt 110 table

900 VA

9.8 kg; 292x175x120 mm

756 W

15 A

Microtek Ups 24×7 Hb 1125Va Hybrid Sinewave Inverter table

1125 VA

11.36kg; 384x375x194 mm

900 W

14 A ± 1 A

Microtek Ups 24×7 Hb 950Va Hybrid Sinewave Inverter table

950 VA

9.8kg; 382x339x192 mm

760 W

14 A ± 1 A

V-Guard Prime 1150 DUPS table

1000 VA

9.4kg; 275x250x120 mm

800 W

15 A

Luminous Hkva 2 Kva Sine Cruze Wave UPS Inverter table

2000 VA

22.25kg; 430x350x340 mm

1680 W

21 A

Complete buying guide for an UPS inverter: How can I choose the right UPS inverter for my home?

How an UPS inverter works.

This is how the electricity usually arrives at our homes:

Electricity generation, transmission and distribution in India

When things go well and we have electricity at home coming from the distribution lines the inverter transforms the AC (alternate current) to DC (direct current) which is the type of current the batteries use. The battery is charging.

But when there is a cut in the distribution and we have no electricity coming from the outside, the UPS inverter does the job of transforming the electricity current coming from the battery in form of DC (direct current) to AC (alternate current) which is the one that your electrical appliances use.

I know that you probably know this, but it was my excuse to make some beautiful drawings:

Inveter battery home loading
Inveter battery home unloading

What you need to know to choose the right UPS inverter.

  1. Your power requirements:
    Number and type of appliances you would like to have operating when there is a cut. 

    Every appliance has some power requirements which are expressed in Watts. The sum of all the watts that every appliance has is the total wattage
    The wattage required will tell you what type of inverter and battery you need.

    See in the table below a list of the most common appliances in India and their wattage.
Appliances-from-India-small-wattage
  1. VA rating of your UPS inverter:
    How do you find the VA rating of the UPS inverter you need for your home?

    VA stands for Volts Ampere. It is the voltage (V) and current (A) supplied by the UPS inverter to the appliances you want to connect to.

    VA rating = Total Load of your appliances (Watts) / UPS inverter efficiency (%)

    Example:
    - You know that all the appliances you want to have running sum up 600 Watts
    - The efficiency of your UPS inverter is typically about 80%.

    VA rating = 600/0.8 = 750 VA

    For this example an UPS inverter which is closer to the VA rating you need would be sufficient. You see that an UPS Inverter with a rating of 900 VA would be enough for you.
  2. The Back up time:
  • How long do you want your appliances to work for?

In this case you will probably have to take into consideration what battery and how many appliances you connect to the UPS inverter. Also, the batteries selection will influence what UPS inverter you will need.

The most convenient type of inverter batteries for home use in India are the lead-acid batteries. Most common two types of acid-lead batteries:

  1. Tubular batteries
  2. Flat plate batteries

In short, tubular batteries (also named "tall tubular"), are an evolved version of lead-acid batteries. In comparison with the flat plate lead-acid type, tubular batteries have usually a longer life (up to 30% more than flat plates) and can withstand more challenging temperature conditions, among others.

Differences between flat and tubular batteries:




Reliability

Reliable

Most reliable

Charge cycles (at 80% DOD)

50-1000

1100-1800

Weight

Less heavy

Heavier

Price

Generally cheaper

Less economical

(adapted from: Lead-acid batteries white paper)


Typical appliances in India and their power consumption (wattage):

Appliance

Running Watts (Starting Watts*)

Standing fan

50-70 W

Ceiling fan

60-70 W

DVD player

25-60 W

Electric kettle

1200-3000 W

Cooktop

1200-2000 W

Grinder

500 W

Immersion heater

1500-2000 W

Fan room heater

500-2000 W

Instant egg boiler

300-400 W

Sandwich toaster

800-1000 W

Iron

1000 W

Water heater

2000-3000 W

Vacuum cleaner

500-3000 W

Fridge

1200 W (3000 starting watts)

Microwave

750-1200 W (1500-2400 starting watts)

Washing machine

2000 W (3000 starting watts)

Desktop computer

150-450 W

Laptop

40-120 W

A/C

2000 W (3000 starting watts)

Incandescent bulb

40-100 W

LED

5-10 W (10-20 starting watts)

CFL

15-25 W (30-50 starting watts)

19” colour TV

65-110 W

27” colour TV

110-120 W

36” colour TV

130-140 W

Toaster

800-1400 W

22” LED TV

15-20 W

32” LED TV

20-60 W

46” LED TV

60-70 W

(*Starting watts: the peak power consumption of some household appliances)

This is important. Continuous or operating power are the running wattage. When an appliance is continuously operating. These are the watts stated usually at the data plate on the back of your appliances.

The peak wattage is the current that some appliances require to start. Washing machines, air conditioners or fridges require an extra power to get the motor started. This is only needed for a very short time (less than 1 second), just to have the appliance started, but it is necessary to have the appliance started. This extra power can be up to 3 times the normal running power.

Or alternatively, how many and what appliances can I use based on the battery I have?

Important: It is always better to overestimate your needs. Connect less appliances than the number the battery can theoretically support. It will be safer and will extend the life of your battery.

If you plan to buy only one 150Ah battery you need to consider:

  • What is your desired backup time: you might need to reduce the load (disconnect some appliances) if you want to reach more hours of backup time.
  • Even if you only need short backup times, be aware of the maximum load you can connect.
  • For the battery to last many years and have a good performance it should not be completely discharged. Manufacturers usually recommend not using more of 75-80% of the battery charge. Exide recommends a minimum cut-off voltage of 10.5 v in their web.

Backup time:

Important: the back up time will change depending on the type and number of appliances you connect, which is the same as the total watts. It will also vary if the battery is not fully charged or on how old it is.

For 1 battery 150Ah:

Appliance

Backup time (approximate)

1 fan (60W) and 1 tube light (40W)

15 hours

2 fans (60W + 60W) and 2 tube lights (40W+40W)

7 hours 30 minutes

2 fans (120W) + 2 tube lights (80W) + 1 Television (120W)

4 hours 30 minutes


Battery backup time depends mainly on three factors:

  1. Power consumption (total watts of all your appliances connected).
  2. Battery voltage (typically ~12.7v for a fully charged 12v battery).
  3. Battery capacity (Ah = Amperes hour; 150Ah in this example).

To calculate your backup time:

For a standard inverter 150Ah Tall Tubular battery:

Battery voltage = 12 volts

Battery Ah rating = 150 Ah

Efficiency battery = 0.85 (typical battery efficiency for a lead-acid battery can be about 85%)

Total load = Total watts of all the appliances connected

Example:

For a Total load: 1 fan (60W) and 1 tube light (40W) = 60W + 40W = 100W

Some inverters are already indicating on the screen an estimated backup time based on the appliances connected.


How many batteries do I need? Or What battery battery capacity do I need? 80Ah, 100Ah, 120Ah, 150Ah, 200Ah, 220Ah?

If you already know the power consumption of the batteries that you would like to run with your inverter battery and also know for how long you want them to run, there is a rule of thumb you can use to calculate what battery capacity you need or how many batteries you need:

Example:

Load or power consumption: 1000 W

Battery backup time required: 2 hours

Voltage of the battery: 12 volts (usual voltage of an inverter battery)

(1000 x 2) / 12 = 166.6 Ah

For this case a 150Ah would not be sufficient and theoretically we would need a 200Ah battery or higher. If you require a 200Ah I would recommend you considering the Luminous 200Ah:

Luminous inverter battery 200Ah RC 25000 Tubular

Luminous RC 25000 200Ah Tall Tubular Battery

In this article I recommend only 150Ah for being the most commonly used batteries in India. Depending on the brand it is possible to find a wide range of capacities. Some of the capacities that the brands highlighted in this articles manufacture are:

Amaron

Luminous

Exide

100 Ah

135 Ah

150 Ah

165 Ah

180 Ah

200 Ah

220 Ah

80 Ah

100 Ah

110 Ah

120 Ah

135 Ah

150 Ah

160 Ah

180 Ah

200 Ah

220 Ah

100 Ah

115 Ah

150 Ah

180 Ah

200 Ah

230 Ah


Continuing with the example, if we have calculated that we need a battery capacity of 166.6 Ah and do not want to use a 200Ah, we could connect 2 batteries in parallel.

Connecting 2 batteries in series will increase the voltage to 24v so the Ah calculated with the previous formula would decrease.

2 batteries in series

double voltage (v), same capacity (Ah)

2 batteries in parallel

same voltage (v), double capacity (Ah)

It is even possible to increase both voltage and capacity with joined batteries in series and parallel. Increasing the capacity (Ah) it usually requires more resistant cables.

Total power consumption of my appliances

Minimum recommended Inverter Rating

System Voltage

Recommended Battery Capacity & Battery Configurations for Different Backup time

5 hours

4 hours

3 hours

2 hours

1 hours

160 Watt

250 VA

12V

1 battery 150Ah / 130Ah

240 Watt

350 VA

1 battery 150Ah / 130Ah

440 Watt

650 VA / 700 VA

2 batteries in parallel 150Ah

1 battery 150Ah / 130Ah

600 Watt

850 VA / 900 VA

3 batteries in parallel 150Ah

2 batteries in parallel 150Ah

1 battery 150Ah / 130Ah

700 Watt

1050 VA / 1100 VA

3 batteries in parallel 150Ah

2 batteries in parallel 150Ah

1 battery 150Ah / 130Ah

1000 Watt

1450 VA / 1500 VA

12 v

Enter your text here...

2 batteries in parallel 150Ah

1000 Watt

1450 VA / 1500 VA

24 v

String of 2 batteries in parallel + 2 batteries in series 150Ah

Enter your text here...

Table adapted from the application chart for Exide Instabrite batteries found on their official website

Important note: The table above does not represent a recommendation. It is just an illustrative exercise. It pretends only to theoretically exemplify how different wattage requires different battery capacities and configurations. Please, always check what are your real battery requirements and what are the alternatives with a professional.


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