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PHI™ & AmpliPHI™ Battery Systems
Briggs & Stratton's PHI and AmpliPHI battery lines provide reliable lithium ferro phosphate energy storage for residential applications. The PHI 3.8 series offers 24V and 48V configurations with accessible DC breakers and 10-year warranties, while the AmpliPHI 3.8 features integrated Battery Management System with closed-loop communications and 15-year warranty coverage.
These battery systems utilize cobalt-free LFP chemistry that operates reliably from -4°F to 140°F while maintaining 10,000+ cycle life ratings. Compatible with industry-standard inverter charge controllers, all models support multiple power generation sources including solar, wind, grid, and generator systems for backup power, energy storage, and daily electricity cost savings.
AmpliPHI 3.8
The AmpliPHI 3.8 series features integrated Battery Management System and 15-year warranty coverage.
PHI 3.8 24V
The PHI 3.8 24v model is a 151 Ah battery with accessible DC breakers and 10-year warranties.
PHI 3.8 48V
The PHI 3.8 48v model is a 75 Ah battery with accessible DC breakers and 10-year warranties.
PHI & AmpliPHI Battery Comparison
| Feature |
|
|
|
|---|---|---|---|
| Capacity | 3.87 kWh | 3.87 kWh | 3.87 kWh |
| Amp Hours | 151 aH | 75 aH | 75 aH |
| Voltage | 24 VDC | 48 VDC | 48 VDC |
| Surge Power | 2.05 kW | 4.1 kW | 5.1 kW |
| BMS | External | External | Integrated |
| Max System | Multiple | Multiple | 60 units |
| Warranty | 10 Years | 10 Years | 15 Years |
AmpliPHI 3.8 System
Residential systems and battery replacement applications. Integrated BMS with 60-battery scalability and 15-year warranty.
PHI 3.8 24V System
Ideal for smaller residential systems, RV applications, and 24V system retrofits. 151 Ah capacity with 2.05 kW surge capability.
PHI 3.8 48V System
Standard for residential solar systems and backup power. 75 Ah capacity with 4.1 kW surge capability for essential load support.
Briggs & Stratton PHI & AmpliPHI Benefits
Simple to Use
- Energy and power in one battery
- Drop-in replacement for existing lead acid battery banks
- On- or off-grid
- No thermal monitoring, cooling, fire suppression or ventilation equipment required
- No maintenance
Reliable Performance
- High efficiency rating
- Provides primary or back-up power for on- or off-grid homes and businesses
- Delivers multiple charge/discharge cycles per day
- Operates in broad temperature range of -4 to 140 degrees F
- 10,000+ cycle life rating
Safer Battery Technology
- Environmentally benign and non-toxic Lithium Iron Phosphate (LFP)
- No Cobalt used in battery chemistry
- No risk of overheating or fire
- No fumes or off-gassing
- On/Off switch and overcurrent protection (OCPD)
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