Free Shipping on All Orders Standard Delivery Within 5–7 Days For Service/Customer Care 9311369797
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Lithium UPS — Li+ Series

The Next Generation Lithium Ion UPS for Indian Homes

Tired of heavy batteries that need constant maintenance?

The Invertek Li+ Series is a wall-mounted lithium ion UPS that combines the inverter and LiFePO4 battery into one slim, powerful unit.

No acid. No water. No servicing. Just pure, reliable lithium ion backup power.

3500 plus charge cycles. 10-year battery life. Zero maintenance.

Available from 1050VA to 3150VA. ISO 9001:2015 certified. Made in India. 36-month direct warranty.

3-Year Replacement Warranty*

Free Pan-India Delivery

24/7 Customer Support

ISO 9001 Certified

Why Invertek Energy

All Invertek products output clean pure sine wave power, safe for sensitive electronics and appliances.

Small Home

Small Home

Small Home

Small Home

Showing 1–2 of 2 products
LITHIUM UPS — LI+ SERIESSALE
Lithium battery solutions

Li+UPS 3000/24V
LCD Display2650VA
Original price was: ₹75,990.00.Current price is: ₹62,000.00.
Read more
LITHIUM UPS — LI+ SERIESSALE
high capacity ups series

Li+UPS1500/12V
LCD Display1250VA
Original price was: ₹44,990.00.Current price is: ₹34,990.00.
Add to cart

Shop by Category

Why Invertek Energy

All Invertek products output clean pure sine wave power, safe for sensitive electronics and appliances.

Pure Sine Wave

100% clean power — safe for all electronics

Made in India

Engineered & tested at our Delhi facility

36 Month Warranty

Direct manufacturer warranty, no dealer delays

70V Charging

Works even during brownouts & low voltage

Frequently Asked Questions

Everything you need to know about Invertek products.

For a standard 2BHK with fans, lights, fridge and TV, the RAPID+ 1700 (1400VA/12V) is our bestseller. Add 1.5T AC = RAPID+ 2000 (12V/24V). Use our free Load Calculator for exact sizing.
 
 
100%. Our 25,000 sq ft ISO 9001:2015 certified factory is at Najafgarh, South West Delhi. We manufacture, test and dispatch every unit ourselves. We've made 95,000 units in FY2025-26 alone.
 
 
0.6% — approximately 250 complaints across 95,000 units sold in the last year. We publish this number because no competitor will. Our PCB cards are pre-positioned at 100+ ASPs for fast resolution.

 

 
 
24–48 hour resolution nationwide via 100+ Authorized Service Partners (ASPs), each with 8–10 trained engineers. In Delhi NCR, we have 3 direct company engineers.

 

 
 
You pay the same price — but you buy direct from the manufacturer. That means your warranty claim goes directly to us, not through a marketplace seller. Plus you get WhatsApp support, factory-direct delivery, and access to bundles only available here.

 

 
 
Yes to both. 0% EMI for 3–12 months. COD available on orders up to ₹30,000 in select pin codes.

 

 
 
ISO 9001:2015, BIS (mandatory India certification), COTECNA product conformity, CE & RoHS (export markets), MSME and GST registered. Every unit is 100% burn-in tested at factory before dispatch.

 

Yes. All RAPID+ 1050 and above support LiFePO4 lithium batteries with automatic charge profile detection. Just replace your old battery with a PRETON+ — drop-in compatible with most existing inverters.
 

Subscribe to Our Newsletter

Get the latest updates on new products, offers, and power tips.

Lithium UPS — Li+ Series

The Next Generation Lithium Ion UPS for Indian Homes

Tired of heavy batteries that need constant maintenance?

The Invertek Li+ Series is a wall-mounted lithium ion UPS that combines the inverter and LiFePO4 battery into one slim, powerful unit.

No acid. No water. No servicing. Just pure, reliable lithium ion backup power.

3500 plus charge cycles. 10-year battery life. Zero maintenance.

Available from 1050VA to 3150VA. ISO 9001:2015 certified. Made in India. 36-month direct warranty.

3-Year Replacement Warranty*

Free Pan-India Delivery

24/7 Customer Support

ISO 9001 Certified

Showing 1–2 of 2 products
LITHIUM UPS — LI+ SERIESSALE
Lithium battery solutions

Li+UPS 3000/24V
LCD Display2650VA
Original price was: ₹75,990.00.Current price is: ₹62,000.00.
Read more
LITHIUM UPS — LI+ SERIESSALE
high capacity ups series

Li+UPS1500/12V
LCD Display1250VA
Original price was: ₹44,990.00.Current price is: ₹34,990.00.
Add to cart

Why Choose Us?

Why Invertek Energy

All Invertek products output clean pure sine wave power, safe for sensitive electronics and appliances.

Pure Sine Wave

100% clean power — safe for all electronics

Made in India

Engineered & tested at our Delhi facility

36 Month Warranty

Direct manufacturer warranty, no dealer delays

70V Charging

Works even during brownouts & low voltage

Frequently Asked Questions

Everything you need to know about Invertek products.

For a standard 2BHK with fans, lights, fridge and TV, the RAPID+ 1700 (1400VA/12V) is our bestseller. Add 1.5T AC = RAPID+ 2000 (12V/24V). Use our free Load Calculator for exact sizing.
 
 
100%. Our 25,000 sq ft ISO 9001:2015 certified factory is at Najafgarh, South West Delhi. We manufacture, test and dispatch every unit ourselves. We've made 95,000 units in FY2025-26 alone.
 
 
0.6% — approximately 250 complaints across 95,000 units sold in the last year. We publish this number because no competitor will. Our PCB cards are pre-positioned at 100+ ASPs for fast resolution.

 

 
 
24–48 hour resolution nationwide via 100+ Authorized Service Partners (ASPs), each with 8–10 trained engineers. In Delhi NCR, we have 3 direct company engineers.

 

 
 
You pay the same price — but you buy direct from the manufacturer. That means your warranty claim goes directly to us, not through a marketplace seller. Plus you get WhatsApp support, factory-direct delivery, and access to bundles only available here.

 

 
 
Yes to both. 0% EMI for 3–12 months. COD available on orders up to ₹30,000 in select pin codes.

 

 
 
ISO 9001:2015, BIS (mandatory India certification), COTECNA product conformity, CE & RoHS (export markets), MSME and GST registered. Every unit is 100% burn-in tested at factory before dispatch.

 

Yes. All RAPID+ 1050 and above support LiFePO4 lithium batteries with automatic charge profile detection. Just replace your old battery with a PRETON+ — drop-in compatible with most existing inverters.
 

Subscribe to Our Newsletter

Get the latest updates on new products, offers, and power tips.

Product Catalogues

Home UPS Economical Series

Home UPS Premium Series

High Capacity Series

Solar Hybrid- PWM

Solar Hybrid - MPPT

Solar Tall Tubular Battery

Gel-Battery

Lithium UPS

Lithium-ion-Battery

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