Price Match Guarantee 💲 Fast & Free Shipping 📦 No Sales Tax 💵 Post Purchase Support 🤝 Free Replacement Parts 🛠️ Dealer Warranty 👷🏼 Extended Warranty!

Price Match Guarantee 💲 Fast & Free Shipping 📦 No Sales Tax 💵 Post Purchase Support 🤝 Free Replacement Parts 🛠️ Dealer Warranty 👷🏼 Extended Warranty!

Price Match Guarantee 💲 Fast & Free Shipping 📦 No Sales Tax 💵 Post Purchase Support 🤝 Free Replacement Parts 🛠️ Dealer Warranty 👷🏼 Extended Warranty!

Price Match Guarantee 💲 Fast & Free Shipping 📦 No Sales Tax 💵 Post Purchase Support 🤝 Free Replacement Parts 🛠️ Dealer Warranty 👷🏼 Extended Warranty!

Price Match Guarantee 💲 Fast & Free Shipping 📦 No Sales Tax 💵 Post Purchase Support 🤝 Free Replacement Parts 🛠️ Dealer Warranty 👷🏼 Extended Warranty!

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Deye ESS 40.96 kWh Indoor Lithium Battery Rack System

SKU BOS-G40
$12,740.00

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The Deye ESS 40.96 kWh Indoor Lithium Battery System, also known as the BOS-G40, is a high-voltage, rack-mounted battery system for commercial and industrial (C&I) applications. It is designed for efficient and reliable energy storage, often pairing with commercial solar setups. 
Key specifications
  • Capacity: 40.96 kWh, made up of eight individual 5.12 kWh LiFePO₄ modules.
  • Battery type: Lithium Iron Phosphate (LiFePO₄), a chemistry known for its high level of safety and stability.
  • Nominal voltage: 409.6 V DC.
  • Operating voltage range: 332.8 V to 467.2 V.
  • Current:
    • Rated charge/discharge current: 100 A.
    • Peak discharge current: 125 A.
  • Safety features: The intelligent Battery Management System (BMS) provides comprehensive protection, including monitoring for over-voltage, under-voltage, over-current, and temperature.
  • Installation: Designed for indoor use (IP20 rated) with a modular, rack-mountable design for easy installation.
  • Compatibility: The system is engineered for direct compatibility with specific commercial inverters, such as the Sol-Ark 30 kW and 60 kW three-phase hybrid inverters.
  • Communication: Includes CAN 2.0 / RS-485 interfaces to provide cell-level data to energy management systems.
  • Lifespan: Offers a long operational life, rated for more than 6,000 cycles at a 90% depth of discharge.
  • Warranty: Typically backed by a 10-year warranty. 

Ideal applications The  Deye BOS-G40  system is well-suited for a variety of C&I applications, including: 
  • Commercial backup power: Provides reliable electricity during grid outages.
  • Solar energy storage: Stores excess solar energy for use during periods of low sunlight or high demand.
  • Load management: Reduces reliance on the electrical grid during peak pricing hours to lower energy costs.

Shipping is FREE on all orders to customers within the 48 Contiguous States and the District of Columbia. We do not ship to Alaska, Hawaii, or any outlying islands and territories.

Processing time for orders is 1 business day

Shipping time for orders is 4-5 business days


Want to know more about our Returns Policy? Read more here.

Want to know more about our Shipping Policy? Read more here.

We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at Krato Power.

  • Family Owned & Operated. Ask for Alex (Owner) at any time!
  • 4-5 Day Free Shipping with free liftgate service to the 48 Contiguous States and the District of Columbia. No extra charges. Ever
  • NO Sales Tax except for IN
  • Secured Purchase. All Customer data is secured with SSL Encryption
  • 30 Day Easy Returns. Not happy with your product, we'll take it back no questions asked.
  • Exceptional Customer Service. Check out our About Us page.
  • Call or Text Us - We are really here! (In the USA). 1-888-855-7286
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All of our items are in stock and ready to ship. All items ship within 1 business day.

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30 Day Easy Return Policy

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Description
The Deye ESS 40.96 kWh Indoor Lithium Battery System, also known as the BOS-G40, is a high-voltage, rack-mounted battery system for commercial and industrial (C&I) applications. It is designed for efficient and reliable energy storage, often pairing with commercial solar setups. 
Key specifications
  • Capacity: 40.96 kWh, made up of eight individual 5.12 kWh LiFePO₄ modules.
  • Battery type: Lithium Iron Phosphate (LiFePO₄), a chemistry known for its high level of safety and stability.
  • Nominal voltage: 409.6 V DC.
  • Operating voltage range: 332.8 V to 467.2 V.
  • Current:
    • Rated charge/discharge current: 100 A.
    • Peak discharge current: 125 A.
  • Safety features: The intelligent Battery Management System (BMS) provides comprehensive protection, including monitoring for over-voltage, under-voltage, over-current, and temperature.
  • Installation: Designed for indoor use (IP20 rated) with a modular, rack-mountable design for easy installation.
  • Compatibility: The system is engineered for direct compatibility with specific commercial inverters, such as the Sol-Ark 30 kW and 60 kW three-phase hybrid inverters.
  • Communication: Includes CAN 2.0 / RS-485 interfaces to provide cell-level data to energy management systems.
  • Lifespan: Offers a long operational life, rated for more than 6,000 cycles at a 90% depth of discharge.
  • Warranty: Typically backed by a 10-year warranty. 

Ideal applications The  Deye BOS-G40  system is well-suited for a variety of C&I applications, including: 
  • Commercial backup power: Provides reliable electricity during grid outages.
  • Solar energy storage: Stores excess solar energy for use during periods of low sunlight or high demand.
  • Load management: Reduces reliance on the electrical grid during peak pricing hours to lower energy costs.
Shipping

Shipping is FREE on all orders to customers within the 48 Contiguous States and the District of Columbia. We do not ship to Alaska, Hawaii, or any outlying islands and territories.

Processing time for orders is 1 business day

Shipping time for orders is 4-5 business days


Want to know more about our Returns Policy? Read more here.

Want to know more about our Shipping Policy? Read more here.

Why Buy From Us

We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at Krato Power.

  • Family Owned & Operated. Ask for Alex (Owner) at any time!
  • 4-5 Day Free Shipping with free liftgate service to the 48 Contiguous States and the District of Columbia. No extra charges. Ever
  • NO Sales Tax except for IN
  • Secured Purchase. All Customer data is secured with SSL Encryption
  • 30 Day Easy Returns. Not happy with your product, we'll take it back no questions asked.
  • Exceptional Customer Service. Check out our About Us page.
  • Call or Text Us - We are really here! (In the USA). 1-888-855-7286