Best inverter battery 2020, for home use in India: Top 3 batteries + buying guide

“Home is where we will spend long and good times of our lives. We do not want power cuts to ruin those moments.”

Choosing the right inverter battery is key if we want to be worry-free while enjoying our time at home.

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

Okay, I hear you, you want me to get to the point. You can find the Top 3 batteries for home use in India 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 how to choose the best inverter battery for home use.

Top 3 batteries for home use in India

Amaron Inverter Battery 150Ah tall tubular

Amaron Inverter 150Ah Tall Tubular Battery



Premium battery

Short Buying Guide

What should you take into account before buying an inverter battery?

1. Know your wattage needs

- Add the watts of the appliances you may want to run at the same time.
(The easiest way is to just look at the data plate on the back of your appliances).

- Add a 20% to 50% to your minimum wattage requirements.
(It is important to have some buffer for a safer use of your battery and inverter equipment. It also allows you to have room in case you plan to use more appliances in the future).

wattage requirements appliances india

2. Alternatively, know how many appliances you can use

Be aware of how many and what types of appliances you can use based on the battery or batteries that you choose.

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. 

3. Back up 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.

Appliances = Load (watts)

Backup time (approximate)

for a 150Ah battery

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)

See the Complete buying guide (below) for additional and more detailed information

Amaron Inverter Battery 150Ah tall tubular
Amaron Inverter Battery dimensions

The Amaron inverter 150 Ah Tall Tubular battery is ideal for you if you are demanding, want to make sure you get the best battery and do not mind paying a little extra.

Brand authority is, among others, one of the requirements for the Amaron Inverter 150Ah Tall Tubular battery to be in the Top 3 selection. Amaron is the second largest selling battery brand in India. The brand belongs to the Amara Raja Group, an india-based multinational company which is headquartered in Tirupati. 

The Amaron Inverter 150 Ah Tall tubular battery is a reliable, safe and long life battery with an extended warranty. In February 2019, the warranty was extended from 48 to 54monts (36 months free replacement + 18 months prorated).

It is probably the best inverter tubular battery 150 Ah.

Pros

  • Reliable brand.

  • Extended warranty of 54 months (36 free replacement + 18 prorated).
  • Compatible with most of the inverter brands.
  • Customer service: multiple PitStops and 24x7 line.
  • Reduced acid spewing and mist formation.
  • Robust: strongly built.

Cons

  • More premium battery of the Top 3 which can be seen in the price: less cheap.
  • Compact design but still heavy and bulky item at home. Trolley might be needed (additional buy).
  • Low maintenance but water levels should be checked regularly. More frequent than the tubular type.
  • Reduced but not free from mist formation: should be placed in a ventilated area. (considered safe for indoors in any case).
Luminous inverter battery 150Ah Redcharge RC18000
Luminous Inverter Battery dimensions

The Luminous inverter 150Ah Tall Tubular battery is ideal for you if you are looking for a reliable battery with a good value for the price. Ideal for areas with frequent power cuts.

The Luminous Inverter 150Ah Tall Tubular Battery is one of the most positively reviewed of its category. Being considered a good value for money and a reliable battery. It has a warranty of 36 months (18 months free of charge + 18 months prorated). It is designed to have a life of over 1250 cycles at 80% Depth of Discharge (DOD), which means it is suitable for areas frequent power cuts.

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 Research and Development. Holding about 20000 patents.

Pros

  • Good price for the value.

  • Warranty of 36 months (18 service free of cost  + 18 prorated).
  • Suitable for areas with long power cuts: it accepts very deep discharge (although avoid if possible for a healthier and long life battery.
  • Compatible with most of the inverter brands.
  • Easy installation.
  • Robust: feature often highlighted by consumers.

Cons

  • Bulky item (>50kg).
  • Even though it has good warranty terms, it is not the battery offering the longest service free of cost.
  • Reduced but not free from mist formation: should be placed in a ventilated area. (considered safe for indoors in any case).
  • Low maintenance does not mean no maintenance at all. Water levels should still be checked regularly.
Exide Insta Brite 150Ah inverter battery
Exide Insta brite Inverter Battery dimensions

The Exide inverter 150Ah UPS battery is the most economical option. It is the battery to go for if it suits your needs. Less bulky and reduced dimensions than the Luminous and Amaron.

The Exide Inverter 150Ah UPS Battery is manufactured by the Exide Industries Limited, the largest manufacturer of lead-acid batteries in India and the 4th largest in the world. 

It has a warranty of 36 months (18 months free of charge + 18 months prorated), same as the Luminous battery. Unlike the other 2 batteries selected, it is not a tall tubular type. It is a flat plate battery. It means it has some advantages and disadvantages compared to the tall tubular type. Some of the pros are the more affordable price, good performance, reduced dimensions and weight. Some of the cons might be that its lifespan (charge cycles) is shorter compared to the tall tubular type.

Pros

  • Most economical option.

  • Warranty of 36 months (18 service free of cost  + 18 prorated), similar to other Tall tubular options, like the Luminous.
  • Less bulky option: lightest weight.
  • Compatible with most of the inverter brands.
  • Easy installation.
  • Reliable brand.

Cons

  • Bulky item (>50kg).
  • Even though it has good warranty terms, it is not the battery offering the longest service free of cost.
  • Low maintenance but not free from it: water levels should still be checked more regularly than the tall tubular batteries.
  • Lesser charging cycles (life expectancy) compared to the tall tubular type.

Battery Model

Warranty

Weight (kg) and dimensions (LxWxH)

Lead-acid battery type

Battery life (depends on use and conditions)

Amaron Inverter Battery 150Ah

56 months (36 service free of cost + 18 prorated)

~56kg; 480x180x400 mm

Tall tubular

4-5 years

Luminous inverter battery 150Ah Redcharge RC18000

36 months (18 service free of cost  + 18 prorated)

~52kg; 503x189x411 mm

Tall tubular

4-5 years

Exide-150-Instabrite-1500-Ah-inverter battery

36 months (18 service free of cost  + 18 prorated)

~40kg; 508x222x257 mm

Flat plates

3-4 years

Buying guide for an inverter battery: How can I choose the right inverter battery for my home?

They are called inverter batteries because they need to be used together with an inverter (See our guide for selecting an inverter and our Top inverters selection). The inverter transforms the electrical  DC (Direct Current) from the batteries to AC (alternating current) which is the type of current that our appliances use.  

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

Differences between flat and tubular batteries:

Flat Plate Battery scheme
Tubular plate battery scheme

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.


Flat plate battery

Tubular battery

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 (starting watts) 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:

Back up time inverter formula

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

Back up time inverter formula numbers

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:

Battery capacity formula

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:

The Luminous RC 25000 200Ah Tall Tubular Battery is probably the best option for office. 

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. Here there is a list of some of the capacities that the brands highlighted in this article manufacture:

Amaron

Luminous

Exide

100 Ah

135 Ah

150 Ah

165 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 24 v 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

Cell

2 batteries in parallel 150Ah

1000 Watt

1450 VA / 1500 VA

24 v

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

Cell

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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