Power Queen’s Home Backup Batteries provide safe, long-lasting energy storage during blackouts or emergencies. Built with advanced BMS and LiFePO₄ cells, they deliver reliable backup power for fridges, lights, routers, and more. Buy backup power today.
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![[⚡ Subscribe & Save — C$334] Power Queen 12V 125Ah Group27 Smart Deep Cycle Lithium Battery](//ca.ipowerqueen.com/cdn/shop/files/02_ef45787b-5f01-49be-90ae-df69451f1e40.jpg?crop=center&format=webp&v=1773640159&width=360)
BluetoothNew[⚡ Subscribe & Save — C$334] Power Queen 12V 125Ah Group27 Smart Deep Cycle Lithium BatteryC$354.99 C$419.99
![[⚡ Subscribe & Save — C$334] Power Queen 12V 125Ah Group27 Smart Deep Cycle Lithium Battery](http://ca.ipowerqueen.com/cdn/shop/files/02_ef45787b-5f01-49be-90ae-df69451f1e40.jpg?crop=center&format=webp&v=1773640159&width=360)
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Why Choose Power Queen?
Lifespan Over 10 Years
Built to last over 4000 deep cycles—10x longer than lead-acid batteries. Use it for years, worry-free.
5-Year Warranty
Use it confidently on the road, at home, or off-grid—our 5-year warranty has your back.
EV-Grade Cells + Smart BMS
Made with EV-grade LiFePO4 cells and a smart battery management system for ultra-safe, consistent performance—at home or off-grid.
Eco-Friendly, 100% Recyclable
Free from hazardous materials and 100% recyclable—safer for your home, and better for the environment.
Save Money, Worry Less
No upkeep, no early failures—save more over time with a battery built for long-term value and peace of mind.
5000+real user reviews
30-Day Free Returns
5-Year Warranty
Fast & Free Shipping
Customer Testimonials
“Great built with superb battery protection. Easy install. Great service and fast shipping. Any question easily answered through email. Very happy with service and product. Always a buyer”
“I have two Power Queen batteries and when I did my installation I contacted Cathy. I received a response quickly with all the necessary information very good customer service !”
“Im using these batteries to power my fridge and cooler charging my phone run my well lights and power tools at my cabin im thinking its going to be a permanent thing works out very well one 100amp battery runs my fridge or cooler for over 24 hours Thanks to power Queen and for very good price shipping is always very fast”
“After months of research, power queen is the choice I made. Great battery and charger. I would definitely suggest you give it a shot.”
“Been running 4 24v batteries in a 2S/2P 48V set up for a year now in an RV. So far so good. Have run them down to 30% on a few occasions and still very happy with purchase.”
Works as expected!!!Added to another pq 25.6v 100ah to my solar system for more capacity. Works great, no problems with these batteries!!!
FAQ
How do I size a LiFePO4 battery system for my home?
Calculate your peak power and backup duration. For example a 1.2kW load for 4 hours needs 4.8kWh, around one 12V 200Ah lithium batteries.
Are LiFePO4 batteries more efficient than traditional options?
Yes. With 100% round-trip efficiency and nearly zero maintenance, they outperform lead-acid in energy storage, cost, and safety.
Can I charge my home lithium battery from solar and grid power?
Yes. Our LiFePO4 batteries support multi-source input, solar, wind, or grid, and the BMS manages the input safely and automatically.
Are LiFePO4 batteries safe for indoor use?
Completely. They're non-toxic, thermally stable, and certified for various safety and quality standards. Power Queen lithium batteries are ideal for safe in-home installation.
What's the replacement cycle for home energy storage batteries?
With daily cycling, our deep cycle LiFePO4 batteries last 10 years or more.
