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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 BOS-G40 40kWh Small-Scale C&I Energy Storage Solution

SKU BOS-G40
Sold out
$12,798.97
Availability: Translation missing: en.general.icons.icon_check_circle icon Out of stock

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Find a better price somewhere else?

Well... we will BEAT their price to get you the lowest pricing, we will find and SPEAK with a local installer, AND you get our post-purchase customer support.

  • US Based Authorized DuroMax Dealer

    Full manufacturer warranty included

  • 4-5 Day Free Shipping + No Sales Tax

    More savings on every purchase and ships in 4-5 business day

  • Easy 30-Day Returns & Price Beat Guarantee

    Risk-free shopping + best price guaranteed

  • Post-Purchase Customer Support

    Dedicated help whenever you need it


ESTIMATED DELIVERY BETWEEN

Order within to get it by the earliest date.


In Stock and Ready To Ship

All of our items are in stock and ready to ship. All items ship within 1 business day.

Top Customer Service

We have excellent customer service. Questions? Call us at 1-888-855-7286

Hassle Free Returns

30 Day Easy Return Policy

Price BEAT Guarantee

Found a better price? We will BEAT it!

Deye BOS-G40 Smart Storage for Spaces That Never Slow Down

Deye ESS BOS-G40 40kWh Small-Scale C&I Energy Storage Solution is a modular high-voltage lithium iron phosphate battery system built for small-scale commercial and industrial use. It delivers reliable energy storage with scalable capacity, strong safety certifications, long cycle life, and seamless compatibility with solar systems for backup power and energy cost management.

Discover how the Deye BOS-G40 40kWh IP20 Indoor HV Battery Rack can support consistent power and smarter energy use in your facility. View the system today and choose a dependable storage solution designed for long-term performance.

Specifications

  • Cell Chemistry: LiFePO₄
  • Total / Usable Energy: 40.96 kWh / 36.86 kWh
  • Nominal System Voltage: 409.6 V DC
  • Operating Voltage Range: 332.8 to 467.2 V DC
  • Module Specs (× 8): 5.12 kWh, 51.2 V, 100 Ah
  • Charge / Discharge Current: 50 A recommended, 100 A nominal, 125 A peak (2 min at 25 °C)
  • Cycle Life: ≥ 6,000 cycles (90 percent DoD, 25 °C, 0.5 C)
  • Operating Temperature: Charge 32 to 131 °F (0 to 55 °C) • Discharge −4 to 131 °F (−20 to 55 °C)
  • Ingress Rating: IP20 for indoor rack installation
  • Dimensions (W × D × H): 20.9 × 23.7 × 86.1 inches (530 × 602 × 2,187 mm)
  • Weight (approx.): 1,036.17 lbs (470 kg)
  • Certifications: UL 1973, UL 9540A, CE, IEC 62619, VDE 2510-50, UN 38.3

Features:

  • Safe LiFePO₄ battery with intelligent BMS and 10-year warranty
  • Advanced protection against over charge over discharge over current and temperature issues
  • Automatic charge-discharge control with cell voltage balancing
  • Low self-discharge with up to 6 months energy retention and no memory effect
  • Flexible system expansion supporting 3 to 12 battery packs in series
  • Remote monitoring management and system upgrades for easy control

Product Documents:

Shipping/Return Policy

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

Schedule a Consultation

  • Still interested but want to talk at a diferent time?
  • Schedule a consultation here for later!
Book a Consultation
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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