Description
PHI 1.4 LFP Battery
Power your off-grid adventures and home energy needs with the PHI 1.4 Battery - a safer, highly efficient lithium iron phosphate (LFP) energy storage solution. This versatile 1.4 kWh battery delivers reliable performance for RVs, backup power, and daily electricity savings.
Safer LFP chemistry proven in harsh environments for peace of mind
Advanced Battery Management System (BMS) for real-time monitoring and simplified installation
Compatible with leading inverters for seamless integration into existing systems
Built-in overcurrent protection with DC breaker switch for enhanced safety
10,000+ cycle lifespan at 80% depth of discharge for long-term value
Designed and manufactured in California, the PHI 1.4 Battery optimizes power from any source - solar, wind, grid or generator. Its compact size and 33 lb weight make it ideal for both recreational and residential applications.
| Model Number | 12V | 24V |
| DC Voltages - Nominal | 12.8VDC | 25.6VDC |
| Amp-Hours | 115 Ah | 57 Ah |
| Rated kWh Capacity @ C/2 | 1.4 kWh DC @ 100% DOD | 1.12 kWh DC @ 80% DOD |
| MAX Surge Discharge Rate (10 Minutes) | 100 Amps DC (1.2 kW DC) | 60 Amps DC (1.53 kW DC) |
| MAX Continuous Discharge Rate | 57 Amps DC (0.69 kW DC) | 28.5 Amps DC (0.73 kW DC) |
| MAX Continuous Charge Rate | 57 Amps DC (0.69 kW DC) | 28.5 Amps DC (0.73 kW DC) |
| DC Voltage Range¹ | 12 VDC to 14 VDC | 24 VDC to 28 VDC |
| Depth of Discharge¹ | up to 100% | up to 100% |
| Operating Efficiency | 98% | 98% |
| Charging Temperature¹ | 32° to 120°F (0° to 49°C) | 32° to 120°F (0° to 49°C) |
| Operating Temperature¹ | -4° to 140°F (-20° to 60°C) | -4° to 140°F (-20° to 60°C) |
| Storage Temperature | 6 months: 14° to 77° F (-10° to 25° C) | 6 months: 14° to 77° F (-10° to 25° C) |
| 3 months: -4° to 113° F (-20° to 45° C) | 3 months: -4° to 113° F (-20° to 45° C) | |
| Self-Discharge Rate | <1% loss per month | <1% loss per month |
| Cycle Life | 10,000+ (@80% DOD) | 10,000+ (@80% DOD) |
| Memory Effect | None | None |
| Warranty | 10 Years | |
| Weight | 33 lbs (15.1 kg) | 33 lbs (15.1 kg) |
| Dimensions (W x H x D) | 11.25 x 9.25 x 7.25 inches/0.37 ft3 | 11.25 x 9.25 x 7.25 inches/0.37 ft3 |
Related Products
Related Products
PHI-3.8-M LFP Battery
Briggs & Stratton Energy Solutions
AmpliPHI 3.8 LFP Battery
Briggs & Stratton Energy Solutions
AccESS with PHI Batteries and Sol-Ark Inverter
Kid - 30amp 12v ,24v, 48v Controller
MidNite Solar
Battery Hydrometer
MidNite Solar
