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SimpliPhi (Briggs and Stratton) Power, now backed by Briggs & Stratton, has been engineering and manufacturing premium lithium ferro phosphate (LFP) batteries in Oxnard, California since 2007. As a Tier 1 energy storage manufacturer with over a century of power expertise, SimpliPhi has established itself as the go-to solution for military, humanitarian organizations, agricultural groups, and residential/commercial projects worldwide. Their California-based manufacturing facility ensures rigorous quality control and American-made reliability, while their global reach enables competitive pricing without compromising premium materials or safety standards. With SimpliPhi (Briggs and Stratton) batteries for sale through authorized distributors, customers access cutting-edge lithium ferro phosphate technology that delivers unmatched safety, longevity, and performance. The SimpliPhi (Briggs and Stratton) name represents "simplified power" – reflecting their commitment to making advanced energy storage accessible and hassle-free for every application, from simpliphi 48v residential systems to large-scale commercial installations.
🔒 Proven Safety Leadership
SimpliPhi (Briggs and Stratton) utilizes the safest lithium ion chemistry available - Lithium Ferro Phosphate (LFP) with no cobalt, eliminating risks of thermal runaway, fire propagation, and toxic coolants.
🇺🇸 American Manufacturing Excellence
All SimpliPhi (Briggs and Stratton) batteries are engineered and manufactured in California, USA, ensuring superior quality control and supporting American jobs.
⚡ Ultra-Fast Installation
Revolutionary RapidStak™ connectors enable installation of 3 batteries in under 5 minutes with no wires, DIP switches, or complex setup.
🛡️ Unmatched Longevity
Industry-leading warranty coverage with 10,000 cycles at 80% depth of discharge and 10-15 year warranties on most models.
Specification | Details |
---|---|
Power Output | 6.65kWh per unit, stackable up to 3 units for 19.95kWh total capacity |
Target Application | Residential whole-home backup and commercial installations |
Key Technology | RapidStak™ connectors with all power and communications in one connection |
Unique Features | Outdoor-rated design eliminates need for additional cabinets, installation in under 5 minutes |
Models Available | SPHI-B-6.6 (052015-01) - 6.65kWh 48V stackable units |
Discharge Rate | 130 amps DC continuous charge/discharge rate |
Assembly | Manufactured in California, USA with gateway requirement for system integration |
Specification | Details |
---|---|
Power Output | 3.871kWh at 100% DOD, 3.09kWh at 80% DOD, 48V nominal |
Target Application | Residential and commercial systems requiring advanced communications |
Key Technology | Integrated Battery Management System (BMS) with closed-loop communications for Sol-Ark and SMA inverters |
Unique Features | Built-in accessible 100 Amp DC breaker On/Off switch, scalable up to 30 batteries |
Models Available | AmpliPHI-3.8-48 with communications capability |
Discharge Rate | 100 Amps for 10 minutes, 37.5 Amps continuous |
Warranty | 15-year limited warranty with repair or replacement coverage |
Specification | Details |
---|---|
Power Output | 3.8kWh capacity, available in 24V and 48V configurations |
Target Application | Residential, RV, marine, and off-grid applications |
Key Technology | High-performance BMS with accessible 80A DC breaker and overcurrent protection |
Unique Features | Compatible with all industry-standard inverter charge controllers, wall-mountable design |
Models Available | PHI-3.8-48-M (48V) and PHI-3.8-24-M (24V) variants |
Assembly | Engineered and manufactured in California, US, 86 lbs weight |
Warranty | 10-year limited warranty with registration requirement |
Feature | SimpliPhi 6.6 | Tesla Powerwall 3 | Enphase IQ 10 |
---|---|---|---|
Power Output | 6.65kWh per unit | 13.5kWh per unit | 10.08kWh per unit |
Efficiency | LFP chemistry, 130A discharge | 97.5% round-trip | 96.5% round-trip |
Warranty Performance | 75% capacity after 10 years | 70% capacity after 10 years | 70% capacity after 10 years |
Price/Performance | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐ |
Stackable Option | Yes, up to 3 units (RapidStak) | Yes, up to 10 units | Yes, up to 40 units |
Notable Strengths | 5-minute installation, outdoor-rated | Integrated inverter, brand recognition | Microinverter ecosystem |
Component | Specification | Benefits |
---|---|---|
Battery Chemistry | Lithium Ferro Phosphate (LFP) - safest lithium chemistry available | No cobalt, no risk of thermal runaway or fire |
Battery Management | Integrated high-performance BMS with communications | Real-time monitoring, overcurrent protection |
Safety Certifications | UL 1642, UL 1973, UL 9540, UL 9540A Fire Safety certified | Industry-leading safety compliance |
Operating Temperature | No ventilation, cooling or thermal regulation required | Maintenance-free operation |
Housing Protection | White metal case, wall-mountable design | Durable, professional appearance |
Cycle Life Testing | 10,000 cycles at 80% DOD | $0.12 per kWh lifetime cost |
Independent testing by UL validates SimpliPhi (Briggs and Stratton) thermal stability and fire safety performance, with zero degradation in extreme stress tests. The outdoor-rated design withstands harsh environmental conditions without additional protective enclosures.
"All in all, an exceptional purchasing experience from Voltaico, thanks to Meredith. She did a fine job. The Briggs and Stratton batteries (Ampliphi) were packed very well and everything came through without incident."
Nevada Customer
"Your experience will be incredible! First, these folks have the best price of anyone online. Second, their staff walked us through options and an alternative unit, making certain what we wanted was actually what we needed."
Verified Purchaser
🏆 Professional Recognition
SimpliPhi (Briggs and Stratton) batteries have earned recognition from industry leaders including UL certification for fire safety (UL 9540A) and compliance with UN 3480 international shipping standards. According to industry analysis, "few people in the solar industry would argue that there's a higher-quality LFP battery than Briggs & Stratton's SimpliPhi." The combination of customer trust and expert validation makes SimpliPhi (Briggs and Stratton) suitable for both residential backup power and demanding commercial installations.
All SimpliPhi (Briggs and Stratton) batteries are engineered and manufactured in Oxnard, California, USA, ensuring American quality standards and supporting domestic manufacturing.
SimpliPhi (Briggs and Stratton) offers industry-leading warranties: 15-year limited warranty on AmpliPHI series and 10-year warranties on other models, covering repair or replacement for manufacturing defects. Warranty registration is required and must be completed through the manufacturer's website.
Yes, SimpliPhi 6.6 batteries are outdoor-rated and require no additional protective cabinets. The LFP chemistry operates without ventilation, cooling, or thermal regulation requirements.
SimpliPhi (Briggs and Stratton) batteries deliver exceptional value at approximately $0.12 per kWh over their lifetime - significantly more cost-effective than many competitors. Industry comparisons show SimpliPhi "meets or exceeds industry standards" with "excellent efficiency" and superior quality construction.
SimpliPhi (Briggs and Stratton) batteries are certified to UL 1642, UL 1973, UL 9540, and UL 9540A Fire Safety standards, plus UN 3480 international shipping compliance and CE certification.
Yes, volume pricing starts at 3 batteries and bulk purchasing is available for commercial installations. AmpliPHI systems can scale up to 30 batteries, while 6.6 series can expand to 6 stacks (18 batteries) for 119.7kWh capacity.
Ready to experience the SimpliPhi difference?
Discover SimpliPhi revolutionary stackable batteries with 5-minute installation and industry-leading warranties. Power your future with American innovation and uncompromising quality.
Shop SimpliPhi BatteriesThey provide SimpliPHI® batteries, Sol-Ark® hybrid inverters, and AccESS™ integrated systems for residential and commercial energy storage.
Briggs & Stratton uses Lithium Ferro Phosphate (LFP) chemistry, known for its thermal stability and long lifespan, along with a Battery Management System (BMS) for monitoring.
Yes, they are eligible for the 30% Federal Solar Tax Credit (ITC) and may qualify for state and local rebates.
Yes, they can integrate with Briggs & Stratton standby generators and other third-party generators for hybrid power solutions.
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