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The PHI 2.7™ 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, lightweight 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.

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  • Description
  • Specifications
  • Documentation


  • Built-in accessible 80 Amp DC breaker On/Off switch – increases safety and simplifies installations
  • 24V and 48V 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


“We love that they’re completely non-toxic, less weight, less space and more reliable. Perfect for tiny housers who demand high quality in small packages!”
Vina L., Sol Haus Design, California, May 2018


DC Voltages – Nominal25.651.2
Amp Hours10552
Rated Wh Capacity @ C/22.7 kWh2.7 kWh
Max Disch. Current60 Amps (10 mins)60 Amps (10 mins)
Max Contin. Disch. Current45 Amps26 Amps
Max Contin. Charge Current45 Amps26 Amps
DC Voltage Range120 to 28.840 to 57.6
Depth of Discharge1up to 100%up to 100%
Operating Efficiency98%98%
Operating Temp1-4° to 140°F (-20° to 60°C)-4° to 140°F (-20° to 60°C)
Charge Temp32° to 120°F (0° to 49°C)32° to 120°F (0° to 49°C)
Self-Discharge Rate<1% loss per month<1% loss per month
Cycle Life10,000+ (@80% DOD)10,000+ (@80% DOD)
Memory EffectNoneNone
Warranty Period10 Years10 Years
Weight60.5 lbs (27.4 kg)60.5 lbs (27.4 kg)
Dimensions11.25 x 11 x 9.5 in. (12.75” w/terminals) / 0.68 ft3 (28.6 x 27.9 x 24.1 cm / 0.019 m3)11.25 x 11 x 9.5 in. (12.75” w/terminals) / 0.68 ft3 (28.6 x 27.9 x 24.1 cm / 0.019 m3)
  • 1. Max operating conditions. Refer to warranty for recommended conditions.
  • All specifications listed are typical/nominal and subject to change without notice
  • UN3480, Lithium Ion batteries, 9, II
  • UL, CE, UN/DOT and RoHS compliant components – UL Certified
  • Designed and built in California, USA