PHI 675™ Battery

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The PHI 675™ Wh deep-cycle Lithium Ferro Phosphate (LFP) battery is optimized with proprietary cell architecture, power electronics, BMS and manufacturing methods. It is modular, lightweight and scalable. 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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  • 12V and 24V LFP storage modules 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 cobalt, 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


PHI 675™12V24V
DC Voltages – Nominal12.8V25.6V
Amp Hours52 Ah26 Ah
Rated Wh Capacity @ C/2675 Wh675 Wh
Max Discharge Current52 Amps (10 mins)26 Amps (10 mins)
Max Contin. Charge Current26 Amps13 Amps
Max Contin. Discharge Current26 Amps13 Amps
DC Voltage Range110 to 14.420 to 28.8
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 Temp132° 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+10,000+
Memory EffectNoneNone
Warranty Period10 Years10 Years
Dimensions11.25 x 5.25 x 6.25 inches/0.21 cu ft (28.58 x 13.34 x 15.88 cm/0.06m3)11.25 x 5.25 x 6.25 inches/0.21 cu ft (28.58 x 13.34 x 15.88 cm/0.06m3)
Weight16.2 lbs (7.35 kg)16.2 lbs (7.35 kg)

1. Max operating conditions. Refer to Warranty for recommended conditions.

All specifications listed are typical/nominal and subject to change without notice.

Additional Info

DIMENSIONS: 11.25 x 5.25 x 6.25 inches/0.21 cu ft (28.58 x 13.34 x 15.88 cm/0.06m3)
WEIGHT: 17 lbs (7.7 kg)

  • Meets transport safety weight requirements: Less than 35 kg including packaging
  • UN3480, Lithium Ion batteries, 9, II
  • UL and CE listed, UN/DOT and RoHS compliant components
  • Designed and built in California, USA