Bluetti AC300+B300K | Home Battery Backup
Description
- 3,000W AC Output: Power most appliances effortlessly.
- Split Phase Bonding: Achieve 240V output for heavy-duty devices.
- Expandable Capacity: Tailor your energy storage up to 22,118.4Wh..
- LiFePO₄ Battery: Reliable performance for over 10 years.
- 24/7 UPS: Uninterrupted power during unexpected outages.
- 2,400W Max. Solar Input: Harness abundant and sustainable solar energy.
- 5,400W Max. Dual Charging: Ensure power is ready in no time.
- 7 Ways to Recharge: Charge at your preference.
- 4-Year Warranty: Enjoy peace of mind with dedicated service.
Why Choose BLUETTI AC300?

Charge Your Power, Your Way

From the Wall
From the Sun
From Dual AC
From the Sun & Wall
Whole-Home Backup

Superpower for Heavy-duty Work

Maximize Savings with Peak-Load Shifting
Instant Backup Protection, Consistent Home Comfort
Power in Hand - App Control
Whether you're indoors or out, the intuitive app lets you gain insights into real-time power consumption, adjust operation modes, and even access firmware updates with just a few taps.

Powering Lives with the BLUETTI LAAF Program

Lighting Homes, Spreading Love
Product Specifications
Bluetti AC300+B300K | Home Battery Backup Product Specifications
AC300
| Category | Specification |
|---|---|
| OUTPUT | |
| AC Outlets | 6 x 120V/20A Outlets<br>1 x 120V/30A TT-30<br>3,000W In Total |
| Inverter Type | Pure Sine Wave |
| Surge Power | 6,000W |
| USB-C Port | 1 x 100W Max. |
| USB-A Port | 2 x 5V/3A USB-A<br>2 x 18W USB-A |
| 12V DC Outlets* | 1 x 12V/30A (RV Outlet)<br>1 x 24V/10A (Car Outlet)<br>*All Regulated |
| Wireless Charging Pad | 2 x 15W Max. (For Each) |
| INPUT | |
| AC Input | 3,000W Max. |
| Solar Input | 2,400W Max., VOC 12-150VDC, 12A (200W x 2, 12-150VDC, 12A x 2) |
| Car Input | 12 / 24V from Cigarette Lighter Port |
| Maximum Input | 5,400W, with AC and Solar Input Simultaneously |
| GENERAL | |
| 240V Split Phase Bonding | Yes. Compatible with 2-8 x B300 |
| App Control | Via WiFi & Bluetooth |
| Scalability | Expandable with Up to 4 x B300 |
| Pass-through Charging | Yes |
| Weight | 47.6lbs / 21.6kg |
| Dimensions (L x W x D) | 20.5 x 12.5 x 14.1 in / 52 x 32 x 35.80 cm |
| Discharging Temperature | -4℉ to 104℉ / -20℃ to 40℃ |
| Charging Temperature | 32°F to 104°F / 0°C to 40°C |
| Storage Temperature | -4℉ to 104℉ / -20℃ to 40℃ |
| Certification | FCC, UL, TELEC, CE, NTC, RCM, LOA ICASA |
| Warranty | 4 Years |

B300K
| Category | Specification |
|---|---|
| BATTERY INFO | |
| Model | B300K |
| Battery Capacity | 2,764.8Wh (51.2V, 54Ah) |
| Battery Type | LiFePO₄ (Lithium Iron Phosphate) |
| Life Cycles | 4,000+ Cycles to 80% Original Capacity |
| OUTPUT | |
| USB-A | 12W Max., 5V / 2.4A |
| GENERAL | |
| Net Weight | Approx. 29.5kg (65.04lbs) |
| Dimensions (L × W × H) | 525 × 327 × 209 mm (20.67 × 12.87 × 8.23 in) |
| Charging Temperature | 0°C to 40°C (32°F to 104°F) |
| Discharging Temperature | -20°C to 40°C (-4°F to 104°F) |
| Storage Temperature | Up to 1 month: -20°C to 40°C (-4°F to 104°F)<br>Up to 6 months: -20°C to 25°C (-4°F to 77°F) |
| Working Humidity | 5% to 95% RH |
| Charging Current | 60A Max.<br>(Current may decrease outside specified temperatures) |
| Discharging Current | 70A Max. |
| 2 × Expansion Port | 58.4VDC Max., 90A Max. |

Product Manual
BLUETTI AC300 Portable Power Station User Manual
BLUETTI B300K Expansion Battery User Manual
Product Warranty
Warranty Policy
Warranty Period
BLUETTI warrants that the product will be free from defect in workmanship and material to the original consumer purchaser.
The warranty period starts on the date of purchase by the original consumer purchaser,
- For the product of portable power station, the warranty period varies from 24 months to 72 months.
- For the product of home backup system, the warranty period varies from 48 months to 60 months.
- For the product of solar panel and accessories as cable, charger etc, 12 months is provided for the warranty service.
No warranty for gifts product and Warranty period may vary by country subject to local laws and regulations.
Please click here for more details.
Warranty Statement
Any defects in material, workmanship of your product will be covered after you provide any valid proof of purchase and information including but not limited to:
- A purchased order number made through BLUETTI official stores.
- Sales invoice or order confirmation email that clearly shows the description of the product, its price, and sales channel.
Note: The limited warranty is restricted to the country of purchase. The warranty will be invalid on the items once they are taken or shipped to other countries.
Exclusions of Warranty
1. Misused, abused, damaged by accident or damaged due to force majeure (e.g. lightning strikes, tornadoes, hurricanes, etc.);
2. Unauthorized modification, repair, dis-assembly or operation not in accordance with the official instructions or manuals;
3. Purchased from unauthorized resellers;
4. Use for special application other than normal consumer use;
5. Lost, stolen or full refunded product;
6. Any defect or damage caused by exposure to excessive heat, cold, liquids or other external causes;
7. Invalid proof of purchase;
8. Warranty period expired
9. The battery model on the warranty certificate does not match the actual item;
10. Unauthorized alteration on the warranty certificate;
11. Product wear and tear through the usage of time.
Disclaimer of Implied Warranties
This limited warranty is in lieu of all other expressed or implied warranties, including any warranty of fitness for a particular purpose or use and any implied warranty of merchantability otherwise applicable to BLUETTI portable solar generators. BLUETTI and its affiliated companies shall not be liable for any special, incidental or consequential damages, including lost profits. There are no warranties extended other than as provided herein.
This limited warranty may be modified only by BLUETTI. Any implied warranties allowed by law shall be limited in duration to the terms of the express warranty provided herein. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.
This warranty gives you specific legal rights. You also have other rights from state to state.BLUETTI’s only liability shall be the repair or replacement as stated above.
Product FAQs
Bluetti AC300+B300K FAQs
Q1: Overview of AC300 & B300K
- AC300 | Power Station Tutorial: Learn More
- B300K | Expansion Battery Tutorial: Learn More
Q2: What can I do with the touchscreen?
Check the AC300 touchscreen guide for details: Link
Q3: What cables come with the AC300 + B300K combo, and how long are they?
Standard:
-
AC300:
- 15A AC Charging Cable: 59 in / 150 cm
- DC Input Cable: 59 in / 150 cm
- Car Charging Cable: 19.7 in / 50 cm
-
B300K:
- P090D Battery Expansion Cable: 31.5 in / 80 cm
Optional:
- 30A AC Charging Cable: 59 in / 150 cm
- Lead-acid Battery Charging Cable: 19.7 in / 50 cm
- 12V/30A RV Cable Kit: 31.5 in + 19.7 in / 80 cm + 50 cm
- P150D to P090D Cable: 31.5 in / 80 cm
- AC Parallel Cable: 59 in / 150 cm
- Cigarette Lighter (24V) to DC5521 Cable: 28.3 in / 72 cm
- Split-phase Charging Cable: 59 in / 150 cm
- Split-phase Output Cable: 78.7 in / 200 cm
- USB-C to USB-C Cable: 78.7 in / 200 cm
Note:
- All measurements are for reference only.
- Package details are subject to change without prior notice.
Q4: Can the AC300 be used alone?
No, the AC300 has no built-in battery. Please use it with the B300 or B300K battery.
Q5: Is the AC300 compatible with batteries from other brands?
No. The AC300 is compatible with B300 or B300K ONLY.
Q6: What cables are required to connect the AC300 to the B300 or B300K?
Check the AC300 Battery Expansion guide for details: Link