Briggs & Stratton SimpliPHI 6.6 6.65kWh 48V Stackable Battery

About This Product

The Briggs & Stratton SimpliPHI 6.6 6.65kWh 48V Stackable Battery is a modular energy storage solution designed for compatible residential and light commercial solar and backup power installations. Manufactured by Briggs & Stratton Energy, this battery belongs to the SimpliPHI energy storage family and provides 6.65kWh of nominal storage capacity using a 48V low-voltage battery architecture.

The stackable design allows multiple compatible battery modules to be integrated into a scalable energy storage system. This makes the SimpliPHI 6.6 suitable for installations requiring flexible battery capacity, whether supporting solar self-consumption, stored energy management, or backup power applications.

Each battery includes one wall-mount bracket compatible with the manufacturer’s supported mounting arrangements. A separate SimpliPHI battery controller and an approved floor-mount or wall-mount base are required to complete the battery system.

The Briggs & Stratton SimpliPHI 6.6 is backed by a 15-year manufacturer warranty, subject to applicable warranty terms. This product is supplied on a special-order basis, with availability and lead times requiring confirmation before purchase.

Who This Product Suits

The Briggs & Stratton SimpliPHI 6.6 battery is designed for homeowners, professional solar installers, and electrical contractors requiring modular energy storage within compatible 48V battery system configurations.

• Residential Solar and Battery Systems: Suitable for compatible solar installations requiring stored energy for household consumption and energy management.
• Backup Power Applications: Can form part of a properly configured backup power system when combined with compatible inverters, controllers, and other required equipment.
• Expandable Energy Storage: Stackable battery construction supports compatible multi-module configurations for installations requiring additional storage capacity.
• Light Commercial Installations: Suitable for supported small commercial projects requiring modular low-voltage battery storage.
• New Battery Installations: Designed for use with the required SimpliPHI battery controller and an approved mounting base.
• Professional Installers: Intended for qualified installers working with Briggs & Stratton Energy equipment and compatible battery system architectures.

Before ordering, installers should confirm inverter compatibility, battery controller requirements, system capacity limits, mounting arrangements, and compliance with applicable electrical and installation standards.

Specifications Explained

• Manufacturer: Briggs & Stratton Energy.
• Manufacturer Model: 052015.
• Product Family: SimpliPHI 6.6.
• Product Type: Modular stackable energy storage battery.
• Nominal Battery Capacity: 6.65kWh per battery module.
• Battery Voltage: 48V low-voltage battery architecture.
• Listed Power Output: 6,600W, subject to compatible equipment and manufacturer operating limits.
• Modular Construction: Stackable design for supported multi-battery installations.
• Included Mounting Component: One wall-mount bracket supplied with the battery.
• Required Battery Controller: BSE-SPHI-BATT-CONTROLLER, sold separately.
• Floor-Mount Base Option: BSE-SPHI-6.6-FLRMNT-BASE, sold separately.
• Wall-Mount Base Option: BSE-SPHI-6.6-WALLMNT-BASE, sold separately.
• Optional Monitoring Accessory: BSE-ET-GATEWAY EnergyTrak Gateway.
• Manufacturer Warranty: 15 years, subject to manufacturer warranty conditions.
• Shipping Weight: 125 lb.
• Shipping Dimensions: 6.7 x 28.6 x 18.9 inches.
• Ordering Status: Special order, subject to supplier availability and applicable ordering conditions.
• Package Contents: One SimpliPHI 6.6 battery module with one wall-mount bracket.

This listing covers one SimpliPHI 6.6 battery module and its included bracket, not a complete energy storage system. A compatible battery controller, selected mounting base, inverter, and other required system components must be specified separately.

The listed 6,600W power output should be evaluated against the battery’s approved operating limits and the capabilities of the complete energy storage system.

Summary

The Briggs & Stratton SimpliPHI 6.6 is a 6.65kWh, 48V stackable battery module designed for compatible residential and light commercial energy storage systems. Its modular construction makes it suitable for professionally designed installations requiring flexible battery capacity and potential future expansion.

Each module includes a wall-mount bracket and carries a 15-year manufacturer warranty. A separate SimpliPHI battery controller and an approved mounting base are required for a complete installation.

Available by special order, the Briggs & Stratton SimpliPHI 6.6 provides a modular battery storage option for installers designing solar self-consumption and backup power systems using supported Briggs & Stratton Energy equipment.

Further Information From The Manufacturer

Special-Order Product: The supplier identifies the Briggs & Stratton Energy SimpliPHI 6.6 as a special-order item. Regular warehouse inventory is not maintained, and orders may be subject to manufacturer lead times, minimum order quantities, and packaging multiples. A non-refundable deposit may be required in some circumstances. Confirm ordering requirements before purchase.

Battery Configuration: Each SimpliPHI 6.6 module provides 6.65kWh of nominal battery storage using a 48V stackable design and includes one wall-mount bracket.

Required System Components: Every compatible Briggs & Stratton Energy battery system requires one BSE-SPHI-BATT-CONTROLLER and one approved mounting base. Choose between BSE-SPHI-6.6-FLRMNT-BASE for floor mounting or BSE-SPHI-6.6-WALLMNT-BASE for wall mounting. These components are sold separately.

Optional Accessory: The BSE-ET-GATEWAY EnergyTrak Gateway may be specified where supported monitoring and communication functionality is required.

Return Conditions: Limited 30-day return policy for battery and storage products. Under its stated supplier conditions, authorized returns must be unopened and in their original packaging, with a 10% restocking fee and return shipping charges deducted from the credit.

Specifications

About Briggs & Stratton Energy

Briggs & Stratton Energy is part of Briggs & Stratton, an established manufacturer of power equipment and energy solutions. Its energy storage portfolio includes the SimpliPHI battery family and supporting components for residential and commercial energy storage applications.

The company’s battery products focus on modular system design, dependable stored energy, and integration with compatible solar and backup power equipment. Its SimpliPHI product family provides battery storage solutions supported by dedicated controllers, mounting accessories, and energy monitoring equipment.

Briggs & Stratton Energy serves professional installers and customers seeking configurable energy storage systems for improved solar utilization, electricity management, and backup power capability.