Buying Guides

Honest, practical advice to help you choose the right power backup for your home or business — no jargon, just what actually matters. Drawn from our experience serving Delhi NCR since 1998.

4 min read

Getting Your Power Backup Ready for Delhi's Summer Power Cuts

A quick pre-summer checklist so your inverter, battery and AC stabilizer are ready before the cuts start.

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6 min read

7 Inverter Installation Mistakes We Fix Every Week (and How to Avoid Them)

The install mistakes that quietly kill your backup — straight from our service visits.

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9 min read

Generator vs Inverter vs Solar: The Right Backup for Your Home

A balanced, Delhi-specific guide to choosing between a generator, an inverter+battery, and solar, from a shop that sells all three.

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6 min read

Lithium vs Tubular Inverter Battery: Which Should You Buy?

Maintenance-free and long-lived, or lower upfront cost? Lithium vs tubular, compared head to head.

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8 min read

Can You Run an AC on Solar or an Inverter? What It Really Takes

Yes, an AC can run on an inverter or solar — but it is a much bigger, costlier system than fan-and-light backup, and here is exactly what it takes.

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5 min read

Monsoon & Your Inverter: Safety and Care in Delhi's Rains

Humidity, water and surges test your backup in the rains — here's how to keep it safe.

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6 min read

Is Solar Worth It for a Delhi Home? Costs, Savings & What to Expect

How much solar really saves a Delhi home, grid-tied vs hybrid, and what affects payback — in plain terms.

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9 min read

How to Cut Your Delhi Electricity Bill: Solar, Inverters & Simple Habits

From rooftop solar to phantom loads, here's how Delhi homes actually shave money off the bill — in order of how much each lever moves the needle.

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7 min read

MPPT vs PWM Solar Charge Controllers: Which Should You Choose?

PWM is simpler and cheaper; MPPT harvests more power, especially in winter and partial shade — here's how to pick the right one.

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5 min read

Pure Sine Wave vs Square Wave Inverter: What's the Real Difference?

Why fans hum on a cheap inverter, and when the pure sine wave premium is worth paying.

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8 min read

What Size Solar System Does Your Home Need? (by Bill & Roof)

Two numbers off your electricity bill and your roof decide your solar size — here's how to read them, plus why 3 kW is the Delhi sweet spot.

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6 min read

Voltage Stabilizer Buying Guide: Which kVA for AC, Fridge, TV & Whole House

AC, fridge, TV or the whole house? The right stabilizer type and size for each, by appliance.

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6 min read

How Long Do Inverters, Batteries, Stabilizers & UPS Really Last?

Realistic lifespans for each part of your setup — and what quietly shortens them.

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9 min read

Solar Panel Maintenance & Cleaning in Delhi: Dust, Pollution & Monsoon

In Delhi, the difference between a panel that pays back and one that quietly underperforms is often just keeping the glass clean and the wiring sound.

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5 min read

Inverter Battery Maintenance: 8 Simple Tips to Make It Last 5+ Years

A simple routine — water, ventilation, terminals and charging habits — that adds years to a tubular battery.

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8 min read

Solar Payback in Delhi: Will It Pay for Itself, and How Soon?

A transparent, Delhi-specific look at how soon rooftop solar actually pays for itself — with a worked 3 kW example, not a sales pitch.

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7 min read

Rooftop Solar in Delhi: Net Metering & the DISCOM Process, Step by Step

Sizing, the DISCOM application, the net meter, commissioning — the real steps to a Delhi rooftop.

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6 min read

Why Your Inverter Battery Drains So Fast: 7 Common Causes (and Fixes)

From low water to overload, the seven usual reasons backup time collapses — and what to do about each.

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8 min read

How Much Does Rooftop Solar Cost in Delhi? A 1kW–5kW Price Guide

What a 1, 2, 3 or 5 kW rooftop system really costs a Delhi home — and what you actually pay after both subsidies.

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5 min read

Online UPS vs Line-Interactive UPS: Which Do You Need?

PC and billing counter, or server room? A side-by-side comparison using real Microtek UPS ranges.

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8 min read

PM Surya Ghar Subsidy for a Delhi Home: How Much You Get & How to Claim

A Delhi home stacks two subsidies — up to ₹78,000 from the Centre plus Delhi's ₹10,000 and a monthly generation incentive — and here's exactly how to claim both.

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6 min read

How Much Power Backup Do You Need? A Simple VA & Battery Sizing Guide

Turn your appliance list into the exact inverter VA and battery Ah you need, with a backup-hours table.

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7 min read

Tubular vs Flat-Plate vs Lithium: Which Inverter Battery Should You Buy?

Three battery families, three kinds of buyer — here's how flat-plate, tubular and lithium really compare for a Delhi home.

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7 min read

Inverter Battery Buying Guide: 150Ah vs 200Ah, Tubular Types & Warranty

150Ah or 200Ah? Jumbo or tall tubular? A model-by-model comparison from the real Microtek Dura range.

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6 min read

How to Choose the Right Inverter for Your Home

Which Microtek inverter fits a 1BHK, a 2BHK or a large home? A clear sizing table and plain-language advice.

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7 min read

Microtek vs Luminous Inverters: Which Suits Your Home?

Both Microtek and Luminous are genuinely good inverter brands — here is how we help Delhi homes pick the right one by load, budget and service, not by brand loyalty.

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7 min read

Choosing Power Backup for a Shop, Office or Clinic in Delhi NCR

Billing PCs, a clinic fridge, shop lighting — commercial backup done right, not guessed.

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6 min read

How to Size Your Home Backup, Room by Room (with a Worksheet)

Total your real load room by room, then convert it to the exact inverter and battery size.

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6 min read

Inverter Beeping or Not Charging? A Delhi Shop's Troubleshooting Guide

Decode the beeps and the no-charge problem, with safe checks you can do before calling us.

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7 min read

The Right Inverter for a 2BHK Flat in Delhi: A Real-World Setup Guide

A real 2BHK load breakdown, the model we'd actually fit, and the backup you'd get — no guesswork.

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Buying Guides – Inverters, Batteries, UPS & Solar | Nice Power System