Skip to content ⚡ NEW · Free Battery Backup Calculator — built on real lab discharge tests →
Su-vastika — A Rotomag Company
Enquire Now
Energy Storage (BESS)

Take the diesel generator out of the building.

We remove diesel generators from hotels, offices, factories and societies — and replace them with silent, clean lithium power.

Explore Products →Talk to an engineer →
Lift Inverter / ERD

When the power cuts, no one gets trapped in the lift.

Our lift backup brings the lift gently to the nearest floor and opens the doors — no diesel, no fumes, no panic.

Explore Lift Inverter →Talk to an engineer →
Lithium Battery Banks

Lithium battery banks for big projects.

From homes to entire campuses — clean, silent lithium power that replaces rooms full of old batteries and noisy generators.

Explore lithium range →Learn the basics →
25+ Patents Filed ◆ Made in India ◆ 140+ Products ◆ Clean Energy ◆ 30+ Countries ◆ 10,000+ Customers ◆ 10+ Years R&D ◆ Silent · Fuel-Free ◆ 25+ Patents Filed ◆ Made in India ◆ 140+ Products ◆ Clean Energy ◆ 30+ Countries ◆ 10,000+ Customers ◆ 10+ Years R&D ◆ Silent · Fuel-Free ◆
What we do best

Two machines that retire the generator

Energy Storage

Battery Energy Storage System (BESS)

We take the diesel generator out of the building — for good.

  • Hotels, offices, factories and societies run generator-free
  • Silent and fuel-free — no smoke, no noise, no fuel bills
  • Power switches over instantly — the lights don't even flicker
  • Proven in India's first all-lithium hotel
Explore BESS → Hotel case study
Lift Inverter / ERD

Lift Inverter & Emergency Rescue Device

Lift backup that keeps people moving when the power goes.

  • No one gets trapped — the lift reaches the nearest floor, doors open
  • Works with lifts and escalators in any building
  • Runs silently on lithium — no diesel in the basement
  • Fit and forget — no fumes, no maintenance
Explore Lift Inverter → Talk to an engineer