Residential Energy Storage System
Commercial & Industrial BESS
Residential inverter
Let the sun power your home
Be energy independent
Combining solar, storage and EV charging, offers an all-in-one Home Energy Solution that helps you lower utility bill and reliance on the grid.
Simple to install, easy to use, smart & safe all around, our system is versatile and scalable to meet every need.
Illuminate Your Home with Solar Power
Embrace Energy Autonomy
At night
Enjoy Energy
S40K
Rack Mounting Residential Energy Storage.
Redefining energy storage, charging, and utilization.
S40K Single Battery
Nominal Energy：5.12kWh
Nominal Voltage：51.2 V
Enclosure：IP65
Cycle Life：8000 times
Communication Method：CAN、RS485、WiFi
Multiple Stacks, Flexible Deployment
Each battery supports 2-8 modules stacked.
Individual battery capacity: 10.24 kWh - 40.96 kWh.
Supports up to 15 parallel units.
Let the sun power your homeBe energy independent
Combining solar, storage and EV charging, offers an all-in-one Home Energy Solution that helps you lower utility bill and reliance on the grid.
Simple to install, easy to use, smart & safe all around, our system is versatile and scalable to meet every need.
Self-Consumption
Charge, store, and power your home system seamlessly
Peak Shaving
Harness fluctuating rates to reduce your electric bill
Energy Surplus
Sell your excess power back to the grid and earn
Energy Outage
Stay self-reliant during peak times or grid downtimes
At nightEnjoy Energy
Self-Consumption
Charge, store, and power your home system seamlessly
Peak Shaving
Harness fluctuating rates to reduce your electric bill
Energy Surplus
Sell your excess power back to the grid and earn
Energy Outage
Stay self-reliant during peak times or grid downtimes
S40K
Rack Mounting Residential Energy Storage.
Redefining energy storage, charging, and utilization.
S40K Single Battery
Nominal Energy：5.12kWh
Nominal Voltage：51.2 V
Enclosure：IP65
Cycle Life：8000 times
Communication Method：CAN、RS485、WiFi
Learn moreMultiple Stacks, Flexible Deployment
Each battery supports 2-8 modules stacked.
Individual battery capacity: 10.24 kWh - 40.96 kWh.
Supports up to 15 parallel units.
Learn moreKowint Network
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Learn MoreRecent News
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Sep 15, 2025 Kowint Energy Spotlights VPP and LiFePO4 Battery Innovation at RE+ 2025
A Week of Innovation in Renewable EnergyKowint Energy is thrilled to announce the successful conclusion of our participation at RE+ 2025, held in Las Vegas from September 8-11, 2025. The event provide···
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Sep 05, 2025 KOWINT ENERGY Showcases Cutting-Edge ESS Solutions for the Latin American Market
MEXICO CITY – September 5, 2025 Kowint Energy, a leading global manufacturer of lithium battery energy storage systems, successfully concluded its participation at Intersolar Mexico (September 2-···
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Aug 19, 2025 Kowint Energy Ships 20 Units of KS-60A Battery Energy Storage System for U.S. Virtual Power Plant
KS-60A Passes Factory Test, Ready for U.S. DeploymentKowint Energy is proud to announce the successful factory testing and shipment of 20 units of the KS-60A Battery Energy Storage System (BESS). Thes···
