Simpliphi - 3.5 kWh 60 Amp deep-cycle 24 Volt - PHI-3.5-24-60 -
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SKU PHI-3.5-24-60

Simpliphi - 3.5 kWh 60 Amp deep-cycle 24 Volt - PHI-3.5-24-60

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16+ sold In the last 7 days
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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 *


  • 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)

    What is the Shop Solar Kits returns policy?

    Returns are free in the first 30 days with no restocking or processing fees, although the customer must pay for the return shipping costs. See our complete return policy on our Shipping, Deliver, and Returns page.

    What’s covered by the Shop Solar Kits returns policy?

    Our returns policy covers all purchases made through Shop Solar Kits. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

    How long will it take to receive my Shop Solar Kits order?

    All orders are processed within 72 hours and you can expect delivery within 5 to 10 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

    What are the financing and payment options at Shop Solar Kits?

    We offer several ways to pay to make getting your solar kit simple:

    • Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer
    • You can arrange financing during the checkout process, see our Financing page for more details

    How does the Shop Solar Kits Lifetime Support work?

    Our legendary lifetime customer support has helped make us the #1 solar kit retailer. We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Shop Solar Kits equipment, we’ve got you covered: we’re always only a phone call or email away.

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