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Residential

Energy Storage

Power your home, add more value.

1-phase Home Energy Storage Systems

5.12kWh Compatible Lifepo4 Lithium Battery

Polar ESS 5.12kWh lithium home battery is designed for household photovoltaic systems to optimize energy independence and reduce electricity costs. It features the latest LiFePO4 technology and a robust integrated Battery Management System (BMS), providing reliable protection and energy security for your home.


Its compact size and easy installation allow for quick wall mounting or floor standing, seamlessly integrating into any space. Backed by an extended warranty, the Polar ESS 5kWh battery ensures long-lasting performance and peace of mind for your home energy needs.

Our Innovations

Benefits and Advantages

FLEXIBLE INVESTMENT, EASY TO SCALE UP

Smaller size, lighter weight, higher efficiency

PERFECT COMPATIBILITY

Works seamlessly with a variety of other famous inverters.

EASY AND FAST SINGLE -PERSON INSTALLATION

Designed for quick and straightforward installation with two options: bracket mount or floor standing.

IP65 RATING

IP65 rated enclosure protects against water and dust, making it ideal for lofts and outdoor installations.

LiFePO4 Lithium Battery

The Models

ALPS BA5.2-W

  • 93% DoD (Depth of Discharge)
  • Design life of 10+ years
  • IP65 rating
  • Dimensions 505W x 134H x 480D (mm)
  • 5-year warranty
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  • Provides cost-effective energy storage systems without compromising
     on quality.
  • Delivers powerful and reliable solutions suitable for a range of 
    applications, from residential to commercial use.
  • Offers real-time system status updates and intelligent control through
     our proprietary Portal and APP.
  • Makes green energy living more accessible, significantly reducing 
    carbon footprints.
  • Provides cost-effective energy storage 
    systems without compromising on quality.
  • Delivers powerful and reliable solutions 
    suitable for a range of applications, from
    residential to commercial use.
  • Offers real-time system status updates
     and intelligent control through
     our proprietary Portal and APP.
  • Makes green energy living more
    accessible, carbon footprints.
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