Complete Power Backup Systems

Everything You Need to Never Lose Power Again.

From single-room home setups to full commercial installations, Inverters.lk designs, supplies, and installs every component of your power backup system.

Home Backup Systems

Designed around your home's exact power load. We assess every device you need running during a power cut and build a system that handles it all automatically.

Load assessment
Inverter sizing
Battery selection
Full integration with home wiring
Post-installation testing

Best for: Houses, family homes, apartments.

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Office and Business Backup

Power cuts cost businesses money every minute. Our commercial systems ensure your computers, POS systems, lights, and networking equipment stay online without interruption.

Commercial-grade inverters
Multi-battery configurations
Dedicated circuits
Priority load selection

Best for: Offices, shops, retail outlets, co-working spaces.

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Pure Sine Wave Inverters

The gold standard in power backup. Pure sine wave output is identical to government electricity, making it safe for every appliance including sensitive electronics, AC units, and medical equipment.

600VA, 800VA, 1kVA, 1.5kVA, 2kVA+ units from Microtek, Luminous, and Browns

Best for: All use cases.

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Deep Cycle Battery Systems

The battery is the heart of your backup system. We supply and install three battery types based on your space, budget, and backup duration requirements.

Standard Tubular: best for small homes
Tall Tubular: best for homes and offices
Gel Battery: best for apartments

Best for: All setups.

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Gym, Farm and Industrial Solutions

Heavy-load environments require custom engineering. We design high-capacity systems for gyms, agricultural operations, factories, and industrial units with high power demands.

Load analysis
Phase management
Heavy-duty inverter systems
Large battery banks

Best for: Gyms, farms, factories, industrial units.

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Free Site Inspection

Every installation starts with a free visit. Our team visits your location, documents your load requirements, and provides an exact quote. No estimates, no surprises.

Site visit
Load calculation
System recommendation
Written quote
No obligation

Best for: Everyone.

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Battery Comparison

Standard Tubular

Backup DurationMedium

MaintenanceLow

Best Use CaseSmall homes, budget setups

Tall Tubular

Backup DurationLong

MaintenanceLow

Best Use CaseHomes, offices, shops

Gel (Deep Cycle)

Backup DurationLong

MaintenanceNone

Best Use CaseApartments, indoor setups

Battery Type	Backup Duration	Maintenance	Best Use Case
Standard Tubular	Medium	Low	Small homes, budget setups
Tall Tubular	Long	Low	Homes, offices, shops
Gel (Deep Cycle)	Long	None	Apartments, indoor setups

Inverter Comparison

Sine Wave

Approximated waveform. Suitable for basic loads only.

Basic fans and lights

Not safe for TVs, fridges, ACs

Possible appliance hum

Not for modern homes

Recommended

Pure Sine Wave

Identical to grid electricity. Safe for all appliances.

All appliances including ACs

TVs, fridges, computers safe

Silent operation

The standard we install

FeatureSine WavePure Sine Wave

Output QualityApproximatedIdentical to grid

Electronics SafetyBasic onlyAll appliances

Noise LevelPossible humSilent

AC CompatibleNoYes

PriceLowerHigher

Our RecommendationBudget setupsAll setups

Recommended Setups

Small Home

2-3 rooms, basic load (lights, fans, TV, WiFi)

Recommended: Sine Wave Inverter + Standard Tubular Battery

Backup: 3-5 hours

Medium to Large Home

Full household, multiple rooms, refrigerator, computers

Recommended: Pure Sine Wave Inverter + Tall Tubular Battery

Backup: 4-8 hours

Office or Business

Computers, POS systems, networking, lighting

Recommended: Pure Sine Wave Inverter + Multiple Tall Tubular Batteries

Backup: 6-12+ hours

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