SimpliPHI 6.6 Battery 48 Volt 6.65kWh Battery | Stackable SimpliPhi
SimpliPHI 6.6 Battery 48 Volt 6.65kWh Battery | Stackable SimpliPhi

SimpliPHI 6.6 Battery 48 Volt 6.65kWh Battery | Stackable

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SimpliPHI 6.6 Battery 48 Volt 6.65kWh Battery | Stackable SimpliPhi

SimpliPhi

SimpliPHI 6.6 Battery 48 Volt 6.65kWh Battery | Stackable

$2,900.00
SimpliPHI 6.6 Battery 48 Volt 6.65kWh Battery | Stackable SimpliPhi

SimpliPhi

SimpliPHI 6.6 Battery 48 Volt 6.65kWh Battery | Stackable

$2,900.00
  • Description
  • Why Buy From Us

Briggs & Stratton SimpliPHI 6.6 Battery 48 Volt 6.65kWh Battery

Wire-Free, Stackable Design

PLEASE NOTE: All Briggs & Stratton SimpliPHI 6.6 System orders need an EnergyTrak Gateway: ET-GWY-10 so Briggs & Stratton can push over-the-air firmware updates to the system to maintain optimized performance & allow for future integrations/monitoring features.

The Briggs & Stratton SimpliPHI 6.6 Battery is a revolutionary energy storage solution. In a world where time is of the essence, this cutting-edge battery is a game-changer, boasting an installation time of less than 5 minutes. Stack 3 units effortlessly to unlock nearly 20 kWh of compact capacity. Engineered for ease of installation, the SimpliPHI 6.6 features our revolutionary RapidStak™ connectors that simply click into place, eliminating the need for tedious wiring or DIP switches. And it's outdoor-rated, so no additional cabinets needed.

Backed by the trusted name of Briggs & Stratton and designed to integrate seamlessly with Sol-Ark® inverters.

Model SimpliPHI 6.6 Battery
SKU 052015
Series SimpliPHI 6.6 System
Manufacturer Briggs & Stratton

Specifications

Sizing Specifics
Maximum per Stack 3
Maximum per System 18
Voltage
DC Voltage - Nomimal 51.2 V
Rated Capacity (20 Hour Rate) 75 AH (285kWH)
Current
Continuous Discharge Current - Maximum 130 ADC
Continuous Charge Current - Maximum 100 ADC
Maximum Surge Currents and Durations (ADC, sec) 240 ADC, 2 sec / 300 ADC 1 sec
Capacity
Rated Capacity (Amp-Hours) - Nominal 130
Rated Capacity (Amp-Hours) - Nominal 6656
Operational Electrical Specifications
Self-Discharge Rate (shutdown/off) <.03 %/month
Cycle Life @ 0.75 charge/discharge rate 4500 Cycles at 100% Depth-of-Discharge
6000 Cycles at 80% Depth-of-Discharge
End of Life Capacity 75%
Minimum Round-Trip Efficiency Rating (C/2) ≥96%
Operational Environment
Charge Temperature -10°C ~ 50°C
Discharge Temperature -20°C ~ 55°C (Self curtailment available with comm)
Operating Humidity 0% - 95% RH
Battery Module Physical Dimensions and Ratings
Enclosure Material Powder-coated Steel
Dimensions 28.6" x 6.7" x 17.3"
Weight 125 lbs
IP Rating IP 20 (IP 65 when stacked)
Altitude ≤3000M
Corrosion resistance rating 240H
Salt-Fog rating 240H
Battery Controller Specifications
Stack Information per stack (up to 3 batteries) 1 required
Maximum Controllers per system 6 - up to 3 batteries
Certifications UL 9540 Edition 3, UL 9540A, UL1973, UL 1998 + 991, UN 38.3, UN 3480, IEC62619
Communication
CAN, RS485 Compatible with Sol-Ark, Briggs & Stratton
Shipping Method
Shipping Method Freight
Warranty
Warranty 10 Year Limited Warranty

Features:

  • Faster Installations -
    Our unique RapidStak connector includes all communications and power in one connection. Assemble a stack of 3 in under 5 minutes.
  • Scalable for Any Application -
    Designed for maximum versatility, each battery delivers 6.65 kWh.2 Stack 3 for 19.95 kWh in a compact footprint. Scale up to 6 stacks for 119.7 kWh of energy.
  • Choose Your Inverter -
    Designed to integrate with SimpliPHI®, Sol-Ark® and other leading inverters, offering ultimate flexibility and faster commissioning.
  • Validated to the Industry's Toughest Safety Standards -
    UL 1642, UL 1973, UN 3480, UN DOT 38.3, UL 9540 Edition 3 (in progress). Tested to UL 9540A.
  • Wire and Hassle Free -
    No wires, no DIP switches, no complications. Installation requires fewer tools and accessories, and less cost.
  • Versatile Installation Options -
    IP65 rating supports all weather conditions for both indoor or outdoor installations. No cabinets needed. Ground or wall mount.
  • Designed for Versatility -
    Use for back-up power, time-of-use utility savings, solar+storage, or off-grid power.
  • Safer Battery Chemistry -
    Our lithium ferro phosphate (LFP) battery designs have been utilized for decades and proven in the harshest environments.

Briggs & Stratton 6.6 Battery 6.6kWh Sell sheet

Briggs & Stratton 6.6 Battery 6.65kWh spec sheet

Briggs & Stratton 6.6 Battery 6.6kWh Operators Manual

Briggs & Stratton 6.6 Battery 6.6kWh Integration Guide

Briggs & Stratton EnergyTrak User Manual

Briggs & Stratton Battery Packages for Sol-Ark

Briggs & Stratton ESS products Warranty

Briggs & Stratton ESS Products Configuration

Briggs & Stratton ESS Complete Energy Solutions

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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