2025 Briggs & Stratton SimpliPHI® 6.6 Battery Base

Information

2025 Briggs & Stratton SimpliPHI® 6.6 Battery

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 leading inverters.

Features may include:

  • 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 leading inverters, allowing ultimate flexibility and faster commissioning.

  • Designed for Versatility

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

Photos

Highlights

  • Walterboro, South Carolina
  • 2025
  • Briggs & Stratton
  • SimpliPHI® 6.6 Battery Base
  • Available
  • 28.6 in. (725.0 mm) | Wall Mount: 28.6 in
  • Without Tabs: 17.3 in. (440.0 mm) | With Tabs : 18.9 in. (479.2 mm) | Wall Mount: 60.4 in

Specifications

  • 2025
  • Briggs & Stratton
  • SimpliPHI® 6.6 Battery
  • Base
  • General
  • DC Voltages: 51.2 VDC | Range: 44.8 - 56.8 VDC
  • Amp-Hours: 130 Ah | 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 Range: 24 VDC to 28 VDC
  • Charging: -10°C ~ 50°C | Discharge: -20°C ~ 55°C | Storage: -20°C ~ 55°C for 1 month / -20°C ~ 45°C for 6 months
  • Self-Discharge Rate: <.03 %/month (shutdown/off) | Cycle Life: 4500 Cycles @ 0.75C charge/discharge rate (@ 100% DOD) | Efficiency Rating: =96% | Operating Humidity: 0% - 95% RH
  • Altitude: =3000M
  • 28.6 in. (725.0 mm) | Wall Mount: 28.6 in
  • Without Tabs: 17.3 in. (440.0 mm) | With Tabs : 18.9 in. (479.2 mm) | Wall Mount: 60.4 in
  • 6.7 in. (170.0 mm) | Wall Mount: 6.7 in
  • 125 lbs (56.7 kg)
  • Maximum per Stack: 3 | Maximum per System: 18 | Enclosure Material: Powder-coated Steel | Corrosion Resistance Rating: 240H | Salt-Fog Rating: 240H | Communications: CAN, RS485 - Compatible with leading inverters | Certifications: UL9540, UL 9540A, UL1973, UL 1998 + 991, UN 38.3, UN 3480, IEC62619 | IP Rating: IP 20 (IP 65 when installed)