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Reliable battery system
Capacity and cycle-life oriented design for home and project backup needs.
K15 Stackable Energy Storage System
All-in-one Home Solar Energy Storage System K15
Built-in capable 7kW EV charger · Dual MPPT · Supports expansion · Minimal footprint · Minimalist design · Ideal for residential and small commercial use.
- 15kWh energy capacity
- 10kW output capability
- 230VAC voltage platform
- IP21 protection rating
15kWh
Battery capacity
10kW
Rated output power
230VAC
Voltage platform
7kW
EV charging
15kWh
Battery capacity
10kW
Rated output power
230VAC
Voltage platform
7kW
EV charging
IP21
Protection rating
UN38.3 MSDS IEC 62619
Certification
Core product highlights
K15 is built for backup power, solar energy storage, and daily energy management, combining battery storage, inverter output, and system protection in an easy-to-deploy solution.
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Stable output capability
Supports common appliances, lighting, communication devices, and critical loads.
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Solar-ready usage
Can work with solar input and local energy-use strategies to improve self-consumption.
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Deployment friendly
Clear parameters help distributors, installers, and end customers evaluate configuration quickly.
Application scenarios
K15 is designed for practical energy storage applications including backup power, solar energy use, and project-based power support.
Home Backup
Rooftop Solar Storage
Stackable Expansion
Small Shop Backup
EV Charging Backup
Project Power System
Common home appliances running time
The estimates below use one formula based on product energy capacity and appliance wattage. Actual runtime varies by load, temperature, and system efficiency.
Air Conditioner
(1080 W)
Approx. 14 h
Refrigerator
(800 W)
Approx. 19 h
Washing Machine
(800 W)
Approx. 19 h
Vacuum Cleaner
(1000 W)
Approx. 15 h
Microwave Oven
(500 W)
Approx. 30 h
Rice Cooker
(850 W)
Approx. 18 h
Induction Cooker
(1100 W)
Approx. 14 h
Cooker Hood
(350 W)
Approx. 43 h
Optional accessories
Extend the system with solar input, EV charging, and backup generation options for a more complete energy solution.
PV Modules
Pair with solar input to support daily self-consumption and off-grid supply.
EV Charging Option
For projects that need home energy storage and EV charging coordination.
Backup Generator
Adds another backup source for long outages or remote sites.
Product materials and technical overview
Review key selling points, system structure, application scenarios, and core configuration details for project evaluation.
Explore the K15 product brochure
Use the K15 product materials to review core specifications, application scenarios, and optional configurations, then contact Duopudun for a suitable solution.