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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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Sol-Ark 40 kWh Indoor Lithium Battery System - L3-HV-40KWH is pictured alongside its control unit, showing the front display screen and safety switches

Sol-Ark 40 kWh Indoor Lithium Battery System

SKU L3-HV-40KWH
by Sol-Ark
Sold out
$26,678.99
$23,198.97
Availability: Translation missing: en.general.icons.icon_check_circle icon Out of stock

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✅ FREE REPLACEMENT PARTS FOR LIFE ⚙️

Find a better price somewhere else?

Well... we will BEAT it. Call us today to get the best price in the market!

Call/Text Us: 1-888-855-7286
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  • US Based Authorized Sol-Ark 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 FREE DELIVERY BETWEEN

Order within to get it by the earliest date.


Sol-Ark L3-HV-40KWH Indoor Battery Bank: The Battery Your Home’s Been Waiting For

Sol-Ark 40 kWh Indoor Lithium Battery System delivers reliable, high-capacity energy storage for homes and businesses needing uninterrupted power. It features a modular design with advanced lithium-iron-phosphate (LiFePO4) cells for safety, efficiency, and long lifespan. With scalable capacity, intelligent battery management, and quiet indoor operation, Sol-Ark HV 40kWh Indoor Battery outperforms standard systems in performance and durability.

Power your home with energy you can trust. Get the Sol-Ark 40 kWh Indoor Lithium Battery System - L3-HV-40KWH today and enjoy seamless, smart energy independence.

Features

  • Prismatic cells offer maximum reliability, efficiency, and safety.
  • Automatic configuration of batteries and BMS for effortless setup.
  • 5kW packs include built-in fire suppression for enhanced protection.
  • Modular batteries can easily be connected in parallel or series to scale capacity.
  • Advanced LiFePO4 chemistry ensures long life and stable performance.
  • Compact, indoor-rated design saves space while delivering powerful output.
  • Smart monitoring system for real-time performance tracking.
  • Seamless integration with Sol-Ark inverters for complete energy solutions.
  • Backed by a solid 10-year warranty for peace of mind.

Sol-Ark 40 kWh Indoor Lithium Battery System - L3-HV-40KWH is shown open from above, revealing internal battery cells and copper connections inside the module

Specifications

  • Cell Chemistry: LiFePO4
  • Module Energy: 5.12kWh
  • Module Nominal Voltage: 51.2V
  • Module Capacity: 100Ah
  • Battery Module Qty In Series (Optional): 8
  • System Nominal Voltage: 409.6V
  • System Operating Voltage: 332.8 ~ 467.2V
  • System Energy: 40.96kWh
  • System Usable Energy: 36.86kWh
  • Charge/Discharge Current: Recommend: 50A, Nominal: 100A,
  • Peak Discharge: 125A
  • Communication Port: CAN2.0/RS485
  • IP Rating of Enclosure: IP20
  • Dimension (Inches): 23.19 in (W) × 23.2 in (D) × 62.52 in (H) (58.9 cm × 58.9 cm × 158.8 cm)
  • Weight Approximate: 2,192 lb (994.28 kg)
  • Certification: CE, IEC62619, VDE2510-50, UL1973, UL9540A, UN38.3, UL9540
  • Warranty: 10 Years

Product Documents

Sol-Ark 40 kWh Indoor Lithium Battery System - L3-HV-40KWH is displayed from an angled view, highlighting its sleek, industrial metal frame and organized stack of battery drawers

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
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!

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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Description

Sol-Ark L3-HV-40KWH Indoor Battery Bank: The Battery Your Home’s Been Waiting For

Sol-Ark 40 kWh Indoor Lithium Battery System delivers reliable, high-capacity energy storage for homes and businesses needing uninterrupted power. It features a modular design with advanced lithium-iron-phosphate (LiFePO4) cells for safety, efficiency, and long lifespan. With scalable capacity, intelligent battery management, and quiet indoor operation, Sol-Ark HV 40kWh Indoor Battery outperforms standard systems in performance and durability.

Power your home with energy you can trust. Get the Sol-Ark 40 kWh Indoor Lithium Battery System - L3-HV-40KWH today and enjoy seamless, smart energy independence.

Features

  • Prismatic cells offer maximum reliability, efficiency, and safety.
  • Automatic configuration of batteries and BMS for effortless setup.
  • 5kW packs include built-in fire suppression for enhanced protection.
  • Modular batteries can easily be connected in parallel or series to scale capacity.
  • Advanced LiFePO4 chemistry ensures long life and stable performance.
  • Compact, indoor-rated design saves space while delivering powerful output.
  • Smart monitoring system for real-time performance tracking.
  • Seamless integration with Sol-Ark inverters for complete energy solutions.
  • Backed by a solid 10-year warranty for peace of mind.

Sol-Ark 40 kWh Indoor Lithium Battery System - L3-HV-40KWH is shown open from above, revealing internal battery cells and copper connections inside the module

Specifications

  • Cell Chemistry: LiFePO4
  • Module Energy: 5.12kWh
  • Module Nominal Voltage: 51.2V
  • Module Capacity: 100Ah
  • Battery Module Qty In Series (Optional): 8
  • System Nominal Voltage: 409.6V
  • System Operating Voltage: 332.8 ~ 467.2V
  • System Energy: 40.96kWh
  • System Usable Energy: 36.86kWh
  • Charge/Discharge Current: Recommend: 50A, Nominal: 100A,
  • Peak Discharge: 125A
  • Communication Port: CAN2.0/RS485
  • IP Rating of Enclosure: IP20
  • Dimension (Inches): 23.19 in (W) × 23.2 in (D) × 62.52 in (H) (58.9 cm × 58.9 cm × 158.8 cm)
  • Weight Approximate: 2,192 lb (994.28 kg)
  • Certification: CE, IEC62619, VDE2510-50, UL1973, UL9540A, UN38.3, UL9540
  • Warranty: 10 Years

Product Documents

Sol-Ark 40 kWh Indoor Lithium Battery System - L3-HV-40KWH is displayed from an angled view, highlighting its sleek, industrial metal frame and organized stack of battery drawers

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