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        SimpliPHI® 6.6 Battery System

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        Introducing the SimpliPHI 6.6 Battery—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.

        To learn more, download our sell sheet and spec sheet.

        Feature

        Features

        Faster Installations

        Our unique RapidStak connector includes all communications and power in one connection. Assemble a stack of 3 in under 5 minutes.1

        Wire and Hassle Free

        No wires, no DIP switches, no complications. Installation requires fewer tools and accessories, and less cost.

        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.

        Versatile Installation Options

        IP65 rating supports all weather conditions for both indoor or outdoor installations. No cabinets needed. Ground or wall mount.

        Choose Your Inverter

        Designed to integrate with SimpliPHI®, Sol-Ark® and other leading inverters, offering ultimate flexibility and faster commissioning.

        Designed for Versatility

        Use for back-up power, time-of-use utility savings, solar+storage, or off-grid power.

        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.

        Safer Battery Chemistry

        Our lithium ferro phosphate (LFP) battery designs have been utilized for decades and proven in the harshest environments.

        All specifications listed are typical/nominal and subject to change without notice.

        Sol-Ark® is a registered trademark of Sol-Ark LLC.

        1 Based on physical installation of a stack of 3 and battery controller.

        2 Total energy measured at .75C discharge rate at 100% DoD.

        3 Based on use and operating temperatures.

        4 See operator's manual or energy.briggsandstratton.com for complete warranty details.

        5 Designed and engineered in California, CA.

        Briggs & Stratton has a policy of continuous product improvement and reserves the right to modify its specifications at any time and without prior notice. Please visit energy.briggsandstrattoncom for the latest information.

        Specifications

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        Maximum per Stack
        3
        Maximum per System
        18
        DC Voltages - Nominal
        51.2 VDC
        Amp-Hours
        130
        Rated kWh Capacity
        6,656
        MAX Surge Discharge Rate (10 Minutes)
        240 ADC, 2 sec
        300 ADC, 1 sec
        MAX Continuous Discharge Rate
        130 ADC
        MAX Continuous Charge Rate
        100 ADC
        DC Voltage Range¹
        44.8 - 56.8 VDC
        Charging Temperature¹
        -10°C ~ 50°C
        Discharge Temperature
        -20°C ~ 55°C
        Operating Humidity
        0% - 95% RH
        Storage Temperature
        -20°C ~ 55°C for 1 month
        -20°C ~ 45°C for 6 months
        Storage Humidity
        0% - 95% RH
        Enclosure Material
        Powder-coated Steel
        Self-Discharge Rate
        <.03 %/month (shutdown/off)
        Cycle Life
        4500 Cycles @ 0.75C charge/discharge rate (@ 100% DOD)
        End of Life Capacity
        75%
        IP Rating
        IP 20 (IP 65 when installed)
        Certifications
        UL9540, UL 9540A, UL1973, UL 1998 + 991, UN 38.3, UN 3480, IEC62619
        Weight
        125 lbs (56.7 kg)
        Dimensions (W x H x D)
        Width - 28.6 in. (725.0 mm)
        Depth - 6.7 in. (170.0 mm)
        Height without Tabs - 17.3 in. (440.0 mm)
        Height with Tabs - 18.9 in. (479.2 mm)
        Wall Mount Dimensions (W x H x D)
        28.6 x 60.4 x 6.7 in. (Full Stack)
        Efficiency Rating
        ≥93%
        Altitude
        ≤3000M
        Corrosion Resistance Rating
        240H
        Salt-Fog Rating
        240H
        Communications
        CAN, RS485 - Compatible with Sol-Ark, Briggs & Stratton

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