AC300+B300K System

BLUETTI AC300 + B300K System

The BLUETTI AC300 + B300K System is a flexible and expandable energy storage solution designed for home backup power, solar energy storage, off-grid living, and emergency preparedness. Combining the powerful AC300 inverter module with modular B300K expansion batteries, this system delivers reliable electricity for essential appliances while supporting clean solar energy integration.

Built with a scalable architecture, the AC300 + B300K system allows users to customize storage capacity based on their power needs, making it ideal for both small and large energy setups.

Powerful AC300 Inverter Module

At the heart of the BLUETTI AC300 + B300K System is the advanced AC300 3kW inverter, designed to efficiently manage energy flow, charging, and power output.

AC300 Inverter Features

• 3,000W power output

• Pure sine wave electricity for stable operation

• Smart energy management

• Multiple charging and output options

The inverter provides dependable power for a wide range of devices and appliances, including:

• Refrigerators and freezers

• TVs and entertainment systems

• Water pumps

• Home office equipment

• Lighting systems

• Kitchen appliances

Its stable output ensures safe operation for sensitive electronics and household devices.

Expandable B300K Battery Modules

The system uses BLUETTI B300K Expansion Battery units for scalable energy storage.

Battery Capacity

Each B300K battery provides:

• 2.764kWh capacity

The modular design supports between 1 and 4 expansion batteries, allowing users to scale the system according to their backup requirements.

Capacity Configurations

Number of Batteries	Total Capacity
1 Battery	2.764kWh
2 Batteries	5.528kWh
3 Batteries	8.292kWh
4 Batteries	11.056kWh

This scalability allows homeowners to start with a smaller configuration and expand later as energy needs increase.

Reliable Solar Charging Support

The BLUETTI AC300 + B300K System supports solar charging, enabling users to generate and store clean renewable energy.

Solar Integration

• Supports up to 2.4kWp solar input

• Compatible with PV solar panel systems

• Ideal for hybrid and off-grid setups

Depending on the battery configuration, the system can support approximately 2 to 4 solar panels, allowing homeowners to recharge batteries efficiently during daylight hours.

Benefits of solar integration include:

• Reduced electricity costs

• Energy independence

• Eco-friendly power generation

• Reliable backup during outages

Long-Lasting LiFePO₄ Battery Technology

The BLUETTI B300K Expansion Battery utilizes advanced LiFePO₄ (Lithium Iron Phosphate) battery chemistry for enhanced safety and durability.

Key advantages include:

• Long operational lifespan

• Stable charging and discharging performance

• Improved thermal safety

• Reliable energy storage over thousands of cycles

This battery technology is ideal for long-term home energy applications.

Real-World Backup Performance

The runtime of the BLUETTI AC300 + B300K System depends on appliance power consumption and the number of connected batteries.

With a 4-battery setup (11.056kWh total capacity), estimated runtimes include:

Appliance	Power Consumption	Estimated Runtime
55" Television	65W	~170.1 hours
Refrigerator	120W	~92.1 hours
Water Pump	480W	~23.0 hours
10 Light Bulbs	10W total	~1,105.6 hours

These runtimes demonstrate the system’s ability to provide dependable backup electricity for essential household devices during outages.

Smart and Flexible Energy Management

The BLUETTI AC300 + B300K System intelligently manages:

• Solar energy storage

• Battery charging and discharging

• Appliance power distribution

• Backup switching during outages

This creates a more efficient and reliable home energy system while helping users optimize power consumption.

Ideal Applications

The AC300 + B300K system is suitable for:

• Home backup power

• Solar energy storage systems

• RV and mobile power setups

• Off-grid cabins and homes

• Emergency preparedness

• Outdoor workstations and events

Its modular flexibility makes it ideal for users with changing energy needs.

Why Choose the BLUETTI AC300 + B300K System?

The BLUETTI AC300 + B300K System delivers a dependable combination of modular scalability, solar integration, and reliable backup power. Whether you're preparing for outages, building a solar-powered home, or seeking portable off-grid energy, this system offers flexible and future-ready performance.

With its expandable capacity, advanced LiFePO₄ battery technology, and efficient solar charging support, the AC300 + B300K system is an excellent choice for modern energy independence and reliable household backup power.