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Simpliphi PHI 3.5kWh 24 Volt Lithium Ferro Phosphate Battery

Simpliphi PHI 3.5kWh 24 Volt Lithium Ferro Phosphate Battery
SKU: PHI-3.5kWh-24V


SimpliPhi Power 3,500 Watt-hour Lithium Ion 24 Volt Battery

NOTE: Most of the Simpliphi batteries are shipped via freight carrier from the manufacturer. Please email us or give us a call for accurate shipping rates.

NOTE: The picture shows the battery with the optional wall mount bracket. The bracket does not come with the battery.

The PHI 3.5 kWh 60 Amp deep-cycle Lithium Ferro Phosphate (LFP) battery is optimized with proprietary cell architecture, power electronics, BMS and assembly methods. It is modular, light- weight and scalable for installations that range from kWh to MWh. Provides power security and seamless integration of renewable and traditional sources of energy in conjunction with or independent of the grid: net zero, peak shaving, emergency back-up, portable and mobile.


  • Model: PHI 3.5kWh
  • 24 Volts DC
  • Nominal voltage: 25.6
  • Capacity: 138 Amp-hours
  • Rated Wh capacity at C/2: 3.5 kWh
  • Max. discharge current: 60 Amps for 10 minutes
  • Max. Continuous discharge current: 45 Amps
  • Depth of discharge: up to 100%
  • Cycle life: 10,000+
  • Built-in accessible 80 Amp DC breaker On/Off switch - increases safety and simplifies installations
  • 24V LFP batteries with proprietary architecture and Battery Management System (BMS)—do not require ventilation, cooling or thermal regulation
  • Compatible with all industry standard inverter/charge controllers
  • Drop in replacement for lead acid
  • LFP is the safest, most environmentally benign Lithium Ion chemistry available—no risk of thermal runaway or fire
  • No AC or toxic liquid cooling—negligible parasitic drain—long cycle life
  • Non-toxic and non-hazardous recyclable materials
  • Approved CA SGIP Advanced Energy Storage (AES) rebate program supplier
  • Meets transport safety weight requirements: Less than 35 kg including packaging
  • UN 3481, Lithium Ion battery contained in equipment, 9, II
  • UL and CE listed, UN/DOT and RoHS compliant components - UL Certified
  • Designed and built in California, USA
  • Dimensions: 13.5" x 14.0" x 8.0"
  • Weight: 77.5 lbs.

10 year warranty

Additional Information

Additional Information

SKU PHI-3.5kWh-24V
Bundle Pre-Configured Price No

SimpliPhi 3.5kWh Battery Specifications

SimpliPhi 3.5kWh Battery Install Manual

SimpliPhi Power Company Brochure

SimpliPhi Warranty