# BLUETTI AC300+4*B300K | Home Battery Backup

**Brand:** Bluetti
**Category:** Home & Garden > Lawn & Garden > Outdoor Power Equipment
**Taxonomy ID:** hg-12-3
**Google Category ID:** 3798
**Price:** $5,497.00
**Compare At:** $7,697.00
**Price Segment:** luxury
**In Stock:** No

## Description

Buying Tips: 1. All orders for purchasing bundles will be shipped by different packages. There will be multiple tracking numbers. All of them may not reach you at the same time. 2. If your credit card is limited to pay for the larger amounts, pls contact our customer service team to pay for products by paypal or bank transfer. *100% modular, accept up to 4xB300. *2400W Unrivaled Solar Input. *3000W Pure Sine Wave Inverter. *5400W Blazing Input Rate. *240V Connection Available. *24/7 UPS Home Backup *4 Years Worry-Free Warranty. Click To Download Bluetti AC300 User Manual Click To Download Bluetti B300 User Manual

## Specifications

### Product Details

| Specification | Value |
|---|---|
| Product Type | power station |
| Model | AC300+4*B300K |
| Brand | Bluetti |

### Technical Specifications

| Specification | Value |
|---|---|
| Modular Design | 100% modular, accept up to 4xB300 |
| Solar Input | 2400W Unrivaled Solar Input |
| Inverter Type | 3000W Pure Sine Wave Inverter |
| Input Rate | 5400W Blazing Input Rate |
| Connectivity | 240V Connection Available |
| System Function | 24/7 UPS Home Backup |

### Warranty & Support

| Specification | Value |
|---|---|
| Warranty | 4 Years Worry-Free Warranty |

### Shipping Information

| Specification | Value |
|---|---|
| Shipping Notes | Orders for bundles will be shipped by different packages with multiple tracking numbers |

## Frequently Asked Questions

**Q: What is the total battery capacity of the BLUETTI AC300+4xB300K system?**
A: The BLUETTI AC300+4xB300K system provides 2,764.8Wh of battery capacity with a single B300K unit attached. Because the AC300 is 100% modular and accepts up to 4 B300K batteries, the maximum expandable capacity reaches approximately 11,059.2Wh when all four battery modules are connected.

**Q: How much solar power can the BLUETTI AC300 accept?**
A: The BLUETTI AC300 accepts up to 2,400W of solar input, making it one of the highest solar input ratings available for home battery systems. Combined with its 5,400W total input rate, it can recharge quickly using solar panels, AC power, or both simultaneously.

**Q: Does the BLUETTI AC300+B300K support 240V appliances?**
A: Yes, the BLUETTI AC300+B300K supports 240V connection, making it compatible with heavy-duty home appliances like dryers, well pumps, and central air conditioning units. Its 3,000W pure sine wave inverter delivers clean, stable power safe for sensitive electronics.

**Q: Can the BLUETTI AC300 work as a whole-home UPS backup?**
A: Yes, the AC300+B300K operates as a 24/7 UPS (Uninterruptible Power Supply) home backup, switching automatically during outages without interruption. This makes it suitable for powering critical loads like medical equipment, refrigerators, and home offices continuously.

**Q: What USB and DC outputs does the BLUETTI AC300+B300K include?**
A: The system includes a 100W USB-C port, two 18W USB-A ports, a 5V/3A standard USB-A port, a 12W legacy USB-A port, a 12V/30A high-current DC output, and a 24V/10A DC output — covering a wide range of devices from laptops and phones to 12V car accessories.

**Q: How many battery modules can be added to the BLUETTI AC300?**
A: The BLUETTI AC300 supports up to 4 B300K battery modules, making it 100% modular. This scalability lets homeowners start with one battery and expand capacity over time, reaching up to approximately 11,059.2Wh total — enough to power a typical home through an extended outage.

**Q: What warranty does the BLUETTI AC300+4xB300K come with?**
A: The BLUETTI AC300+4xB300K includes a 4-year worry-free warranty. Bluetti notes that bundle orders ship in multiple packages with separate tracking numbers, and payments above standard credit card limits can be arranged via PayPal or bank transfer by contacting customer service.

**Q: What is the price of the BLUETTI AC300+4xB300K bundle?**
A: The BLUETTI AC300+4xB300K bundle is priced at $5,497 USD. This premium price reflects the system's 2,764.8Wh base capacity, 3,000W pure sine wave inverter, 2,400W solar input, 240V compatibility, 24/7 UPS functionality, and modular expandability to four battery units.

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Data verified March 2026.

Source: https://bluettipower.com/products/bluetti-ac300-4-b300k-home-battery-backup