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Choose Battery for Inverter

How to choose appropriate Battery for your existing Inverter / UPS ?

The most Important and Frequently Asked Questions from the people who want to buy a quality Battery that is reasonably priced, giving long backup with more Warranty.

Let me share you some insights which I got from the last 20 years of experience.

Instead of helping you with a big long article I have divided it in small Questions and Answers section that is easy to understand.


You will find the Answers to all your Queries regarding choosing a suitable Battery for Inverter / UPS here….

How to choose Battery for Inverter or UPS?

You can use following Checklist that will guide you.
1. How much backup time you want?
2. How many points you would like to use during power failure?
3. Do you want a long back up [ More than 3 hours or just 30 minutes]?
4. Do you want branded Battery or time tested and proven assembled Battery will suffice?

Based on the above answers we can come to conclusion about type of Battery, its capacity in AH, Number of
Batteries etc. Don’t worry if you are not able to figure out. We can help you decide it. Just give us a call us or
drop me an Email

Which type of Battery is required for Inverter / UPS ? What is Tubular and Standard

The Battery for Inverter is specially made to be used as a backup device for an Inverter or UPS. It is different
from car or truck Battery. Usually Battery for Inverter is of tubular or stationary type. The plates of tubular
Battery are designed in such a way that it can withhold the load for hours together. While standard batteries for
cars or trucks are designed to handle the initial current for very short time. Since after the vehicle starts it does
not require battery power except for lights or horn

How do I calculate Backup for the given Battery for Inverter / UPS ?

There is a formula to calculate the back up time.
Back up in Hours =[AH*12*N*0.8*E]/Load in VA .
Where AH stands for Ampere hour capacity,
N stands for number of batteries,
0.8 as Constant and
E stands for efficiency which can be taken as 0.9.
The load is calculated in VA, volt ampere.

Let us take an example if Battery capacity is 150 AH, for 1 Number of 12 Volts battery and a load of 500 VA we
will calculate the backup time as follows.

Backup = [150*12*0.8*0.9]/500 that comes to 2.592 which means 2 Hours and 36 Minutes(0.592 of 60
minutes is 36 minutes)

Should I take Branded or Locally made?

That entirely depends on you. However branded or Tubular type Batteries are better than the assembled one if you do not
know the history and quality of assembled Battery manufacturer. So the rule of thumb is to go for branded one
which can give you quality and peace of mind albeit at a greater cost.

Why should I purchase Branded or Tubular Battery for Inverter / UPS ?

There are many reasons for it.
1. Tubular or Branded Battery is always better in performance.
2.It has proved its quality for past 5 years
3. It comes with more Warrantee.
4. Assured Service

Which are the Models suitable for regular Inverter or UPS ?

For Regular Inverter or UPS we suggest one of these Models: 150AH, 180AH, 200AH.

How much Discount I will get in this Online Booking Offer ?

Please fill and submit the contact form or the forms in Battery sections and we will get back to you with our best quote.

What else I can get FREE from You?

As a token of appreciation you will surely get something Free for which you need to contact our Office as the Schemes keep on changing from time to time.

How can I book the Battery for Inverter Online?

You can book your Battery Online by simply filling the form or else call on Office, details given in Contact Us section.

When it will be delivered?

Once we receive the form it will be conveyed to you. Normally the delivery time will be 3 to 5 days

Which are the acceptable payment methods?

Bank transfer by NEFT, Cash as Advance or Crossed Cheque.

Can I pay by Credit Card?

No, You can either pay by Cash, Crossed Cheque or NEFT Transfer.

choose battery


Following Chart explains the backup time calculation with Battery AH capacity.

[F stands for Fan, T stands for Tubelight, H stands for Hour, M stands for Minutes]


Load in VA

80 AH

100 AH

135 AH

150 AH

180 AH

200 AH

1 F + 1 T


4 H 30 M

5 H 45 M

7 H 45 M

8 H  35 m

10 H 25 M

11 H 30 M

2 F + 2 T


2 H 15 M

2 H 45 M

3 H 50 M

4 H 25 M

5 H 10 M

5 H  45 M

3 F + 3 T


1 H 30 M

1 H 50 M

2 H 35 M

2 H 50 M

3 H 25 M

3 H 50 M

4 F + 4 T


1 H 10 M

1 H 25 M

1 H 50 M

2 H 8 M

2 H 35 M

2 H 50 M

5 F + 5 T


50 M

1 H 10 M

1 H 30M

1 H 45 M

2 H 5 M

2 H 15 M

free gifts

Take a Step to claim your Discount for Battery and Free Gifts……

Please fill in the Form below carefully and clicks Submit

Mobile Number:*
Select City:*
Select Battery Capacity:*
Do you have Existing Old Battery?:*
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This Offer is for Limited Period and the Batteries ordered will not be Cancelled or Exchanged for whatsoever reasons. This is Web Only Offer and all the rights to add, modify and change the Terms are reserved by M/s. Sudhan Enterprises, Kalyan.

Sudhan Enterprises
G-3, Mayuresh Darshan, Near Ammu Arcade, Sambhaji Marg, Mhasoba Maidan, Syndicate, Kalyan (W) District Thane. Pin 421301.  Maharashtra. India
Mobile  +91 9930042525   OR   +91 9594780005
Phone: 91-251-2207095. Thursday Weekly Holiday