Outback Power EnergyCell 5.1kWh 48 Volt Stackable Heated Lithium Battery Module - Green Vista Living
Outback Power EnergyCell 5.1kWh 48 Volt Stackable Heated Lithium Battery Module - Green Vista Living
Outback Power EnergyCell 5.1kWh 48 Volt Stackable Heated Lithium Battery Module - Green Vista Living
Outback Power EnergyCell 5.1kWh 48 Volt Stackable Heated Lithium Battery Module - Green Vista Living

Outback Power EnergyCell 5.1kWh 48 Volt Stackable Heated Lithium Battery Module

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Outback Power EnergyCell 5.1kWh 48 Volt Stackable Heated Lithium Battery Module - Green Vista Living

Outback Power

Outback Power EnergyCell 5.1kWh 48 Volt Stackable Heated Lithium Battery Module

$2,699.00 $1,300.00
Outback Power EnergyCell 5.1kWh 48 Volt Stackable Heated Lithium Battery Module - Green Vista Living
Outback Power EnergyCell 5.1kWh 48 Volt Stackable Heated Lithium Battery Module - Green Vista Living

Outback Power

Outback Power EnergyCell 5.1kWh 48 Volt Stackable Heated Lithium Battery Module

$2,699.00 $1,300.00
  • Description
  • Why Buy From Us

Outback Power EnergyCell 5.1kWh 48 Volt, Stackable Heated Lithium Battery Module

The Outback Power EnergyCell 5.1 is a 48V, 5kW-rated lithium iron phosphate (LFP) battery module designed for scalable residential and commercial energy storage systems. With integrated heating, IP65 outdoor rating, and stackable architecture supporting up to 24 modules, this battery delivers long-term reliability and high-performance energy storage.

Outback Power EnergyCell 5.1kWh 48V Lithium Battery Features

5.12kWh Nominal Capacity – high-density LFP battery chemistry for stable performance

5kW Continuous Output – dependable charge and discharge capability

7.68kW Peak Power – 2-second surge handling for demanding loads

Integrated Heating – optimized performance in cold environments

IP65 Outdoor Rating – weather-resistant enclosure for indoor or outdoor use

Stackable Design – 3–8 modules per stack, up to 24 modules total

RS485 & CAN Communication – inverter and system integration ready

125A Internal Breaker – built-in battery protection

8000 Cycle Life – rated at 0.5C, 80% DoD, 25°C

10-Year Warranty – long-term manufacturer-backed support

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Outback Power EnergyCell 5.1kWh 48V Lithium Battery Applications

  • Residential Energy Storage – whole-home backup and solar self-consumption
  • Commercial ESS Systems – scalable storage for higher load demands
  • Hybrid Solar Installations – compatible with CAN/RS485 inverter systems
  • Cold Climate Installations – integrated heating for low-temperature charging
  • Outdoor Energy Storage – IP65-rated enclosure for exposed environments
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What's Included

Everything you need is included with your product.

  • 1 × EnergyCell 5 Battery Module
  • 2 × Red & Black Power Cables (2 AWG, 6 ft / 180 mm each – 2 Red, 2 Black)
  • 4 × Screws
  • 4 × Expansion Anchors
  • 2 × Wall Brackets

Warranty

  • 10-Year Manufacturer Warranty

Outback Power EnergyCell 5.1kWh 48V Lithium Battery Specifications

General Characteristics

Specification Value
Model Name EC-FE5148
Product Type Low-voltage LFP battery pack
Battery Type Lithium Iron Phosphate (LFP)
Nominal Energy Capacity 100Ah
Nominal Voltage 51.2Vdc
Voltage Range 44.8–57Vdc
Usable Energy (DoD %) 100% (80% recommended)
Continuous Charge/Discharge Power 5kW (2.5kW recommended)
Peak Power (Duration) 7.68kW (2 seconds)
Communication Protocols RS485, CAN

Electrical Characteristics

Specification Value
Charge Voltage Range 56.0+/-0.8Vdc
Discharge Cut-off Voltage 44.8Vdc
Max Continuous Charge Current 100Adc (50Adc recommended)
Max Continuous Discharge Current 100Adc (50Adc recommended)
Max Parallel Units 24 EnergyCell 5 battery modules, 3 EnergyCell 5 control modules

Protection Features

Specification Value
Recommended Charging/discharging rate 0.5C
Short circuit protection >250Adc for 0.1ms
Battery Breaker 125Adc
Interrupt current rating 10kA

Other Specifications

Specification Value
Certifications and compliance UL 1973, UL 9540 DC ESS (pending), UL9540A, UN 38.3
Warranty and lifecycle ≥8000 (0.5C@25°C, 80%DOD) 10 years
Cycle Life (80% capacity) 8000
Design Life >10 years

Frequently-Asked Questions

How many modules can be stacked?

Up to 24 battery modules can be connected (3–8 per stack configuration).

Is this battery suitable for outdoor installation?

Yes. It is rated IP65 for outdoor use.

Does it include heating?

Yes. The module includes integrated heating for cold-temperature charging.

What is the cycle life?

Rated for 8000 cycles at 0.5C and 80% DoD.

Why Choose Green Vista Living


At Green Vista Living, we’re passionate about providing top-quality renewable energy and eco-friendly products that not only enhance your life but also help protect the planet. We’ve built our business with one mission in mind: to be the go-to destination for renewable energy solutions, outdoor gear, and off-grid supplies. When you shop with us, you’re not just getting innovative products—you’re joining a community that’s committed to sustainability.

We Put Our Customers First


As a small, dedicated team, we care deeply about your experience. Unlike large, faceless online companies, Green Vista Living offers a personal touch in everything we do. We're here for you from start to finish—whether you need product advice, support after a purchase, or just have questions. Our knowledgeable customer service team is always just a phone call or email away, ready to assist you in any way possible.

We Share Your Passion for the Planet


Our love for the outdoors and sustainable living runs deep. Most of our team hails from the mountains of Colorado, where renewable energy and the environment are part of daily life. So when you call Green Vista Living, you’ll speak directly with an expert who understands both the technical side of renewable products and the lifestyle they support. Whether you’re looking for solar generators, EV chargers, or any of our eco-friendly offerings, you can trust us to guide you with expertise and passion.

Trusted Industry Experts


Our close partnerships with the best brands in renewable energy and outdoor gear give us insider knowledge that you won’t find anywhere else. We’ve taken the time to carefully select products that stand out for their quality and reliability. At Green Vista Living, we believe in understanding our products inside and out so that we can help you make the right choice with confidence.

More Reasons to Love Green Vista Living


Price Match Guarantee: Thanks to our partnerships, we offer the best prices around. If you find a better deal, we’ll refund the difference.


Free Shipping: We offer free shipping on most orders to the lower 48 U.S. states, making your shopping experience even easier.


100% Secure Ordering: Our site uses SSL Encryption technology to keep your payment and personal information safe and secure.


Volume Discounts: For large orders, we’re happy to provide special pricing—just reach out for a custom quote.


Authorized Dealer: As an authorized dealer for all our brands, you’ll receive full manufacturer warranties with every order.


At Green Vista Living, we aim to make your renewable energy and outdoor experience as seamless and enjoyable as possible. With our unmatched customer service, expertise, and dedication to quality, you can shop with confidence, knowing you’re supporting a company that’s as committed to the planet as you are.

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

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Feedback From Our Customers

At Green Vista Living, we pride ourselves on delivering top-quality products and exceptional service to solar professionals and homeowners alike. Here's what our customers have to say about their experiences with us.

Kevin Leary
May 18, 2025
★★★★★

Incredible Tech Support from Anees of Green Vista Living. Exceptional service and went above and beyond on every question.

Bryan Cunningham
Off grid Kit • Dec 21, 2025
★★★★★

Shipment was slow due to high demand, but the team kept me informed and ensured everything arrived properly.

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