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Reliable battery system
Capacity and cycle-life oriented design for home and project backup needs.
K45 Stackable Energy Storage System
K45 Stackable Energy Storage
Built-in capable 7kW EV charger · Dual MPPT · Supports expansion · Minimal footprint · Minimalist design · Ideal for residential and small commercial use.
- 45.21kWh energy capacity
- 12kW output capability
- 230VAC output voltage
- 12kW PV input
45.21kWh
Battery capacity
12kW / 12kVA
Rated output power
230VAC
Voltage platform
7kW optional
EV charging
45.21kWh
Battery capacity
12kW / 12kVA
Rated output power
230VAC
Voltage platform
7kW optional
EV charging
IP21
Protection rating
UN38.3 MSDS IEC 62619
Certification
Core product highlights
K45 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
K45 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
Theoretical single-appliance runtime: nominal capacity divided by appliance power, excluding conversion losses and reserve energy. Actual runtime depends on usable capacity, load cycles and conditions. Confirm inverter capacity and starting loads.
Air Conditioner
(1080 W)
Approx. 42 h
Refrigerator
(800 W)
Approx. 57 h
Washing Machine
(800 W)
Approx. 57 h
Vacuum Cleaner
(1000 W)
Approx. 45 h
Microwave Oven
(500 W)
Approx. 90 h
Rice Cooker
(850 W)
Approx. 53 h
Induction Cooker
(1100 W)
Approx. 41 h
Cooker Hood
(350 W)
Approx. 129 h
Optional accessories
Companion equipment is selected separately. Interfaces and compatibility depend on the model and project configuration.
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 specifications, system structure and applications for your project.
Explore the K45 product brochure
Use the K45 product materials to review core specifications, application scenarios, and optional configurations, then contact Duopudun for a suitable solution.