The PHI 3.5™ kWh 24 Volt deep-cycle Lithium Ferro Phosphate (LFP) battery has proprietary cell architecture, power electronics and BMS assembly methods. Its lightweight and scalable for any installation ranging from kWh to MWh.  It can provide a 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. 

* Customers in Alaska & Hawaii might incur small shipping fees.  Please reach out regarding shipping fee's for Alaska and Hawaii *

Features:

• 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

Technical Specs:

• DC Voltages – Nominal: 25.6
• Amp Hours: 138
• Rated Wh Capacity @ C/2: 3.5 kWh
• Max Discharge Current: 60 Amps (10 mins)
• Max Contin. Disch. Current: 45 Amps
• Max Contin. Charge Current: 45 Amps
• DC Voltage Range1: 20 to 28.8
• Depth of Discharge1: up to 100%
• Operating Efficiency: 98%
• Operating Temp1: -4° to 140°F (-20° to 60°C)
• Charge Temp: 32° to 120°F (0° to 49°C)
• Self-Discharge Rate: <1% loss per month
• Cycle Life: 10,000+
• Memory Effect: None
• Warranty Period: 10 Years
• Weight: 77.5 lbs (35.15 kg)
• Dimensions: 13.5 x 14 x 8 in. (15.5” H w/terminals) / 0.88 ft3 (34.3 x 35.6 x 20.3 cm / 0.025 m3)