Residential Energy Storage Solutions
Commercial & Industrial BESS Solutions
Residential Energy Storage System
Commercial & Industrial BESS
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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.
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Learn MoreRecent News
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Sep 03, 2026 Kowint Energy Secures 8 MWh C&I Energy Storage Order for School Energy Projects
Kowint Energy is proud to announce the successful acquisition of an 8 MWh Commercial & Industrial (C&I) energy storage order designed to support school energy resilience, peak demand managemen···
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Aug 26, 2026 Why Modular BESS Is Ideal for C&I Projects?
As commercial and industrial energy users face rising electricity costs, unstable grid conditions, and growing demand for renewable energy integration, battery energy storage systems are becoming an i···
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Aug 18, 2026 What Is a Turnkey BESS Solution?
For many commercial and industrial energy storage projects, the challenge is not only choosing a battery system. It is also about how the entire project is designed, integrated, delivered, installed, ···
