BLUETTI AC300 + B300K Home Battery Backup 3000W 2,764.8Wh

£2,999

Introducing the BLUETTI AC300 + B300K Home Battery Backup system, the most powerful and versatile solution for your energy needs. Featuring a 3,000W pure sine wave inverter with a 6,000W surge capacity, this system ensures stable and reliable power for all your essential devices. With a 3,072Wh capacity that can be expanded up to 12,288Wh with four B300 battery modules, you’ll have more than enough power to last through long outages or off-grid adventures. Enjoy up to 2400W of solar input and the ability to recharge using seven different methods—including AC, solar, car, generator, and dual charging (solar + AC)—for maximum flexibility.

With a blazing 5400W maximum input rate and fast dual charging, the AC300 gets powered up quickly. Smart app control lets you monitor and manage your system remotely, while 24/7 UPS home backup keeps your home running seamlessly. The BLUETTI AC300 + B300K is designed to keep you powered whenever and wherever you need it.

  • 3,000W AC Pure Sine Wave Inverter (6,000W Surge).
  • 3,072Wh Capacity (Expandable w/ up to 4 × B300 for 12,288Wh).
  • 7 Ways to Recharge (AC/Solar/Car/Generator/Lead battery/Dual AC/AC+Solar).
  • 2400W Max. Solar Input.
  • 5400W Max. Fast Dual Charging (Solar + AC Adapter Simultaneously).
  • Smart App Control & Monitor.
  • 24/7 UPS Home Backup.

 

 

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Description

Description

The BLUETTI AC300 + B300K Home Battery Backup system is the ultimate solution for reliable, expandable power during emergencies or off-grid living. With its modular design, the AC300 can support up to four B300 battery modules, offering a ground-breaking total capacity of 12,288Wh—enough to power your home for days. The system is equipped with a 2400W solar input, allowing you to harness the full power of the sun and recharge your batteries in as little as 1.5 hours using BLUETTI’s advanced MPPT controller. With a 3000W pure sine wave inverter, the AC300 ensures stable and efficient power delivery, while its 5400W combined input rate (via both AC and solar) means quicker recharges, reducing downtime. Perfect for home backup or outdoor adventures, the AC300 system is ready to power all your essential devices. Plus, with a 4-year warranty, you can rely on BLUETTI for peace of mind and continuous power when you need it most.

Specifications

Category Details
BATTERY INFO
Capacity Work with B300’s, start at 3072Wh
Cell Chemistry Lithium Iron Phosphate (LiFePO₄)
Lifecycle 3500+(to 80%), 6000+(to 50%)
Management System MPPT Controller, BMS, etc.
OUTPUT
AC Outlets 6x 220V-240V, 3,000W in Total
Inverter Type Pure Sine Wave
Surge Power 6000W
USB-C Port 1 x 100W Max.
USB-A Port 2 x 5V/3A USB-A, 2 x 18W USB-A
12V* DC Outlets 1 x 12V/30A (RV Outlet), 1 x 24V/10A (Car Outlet)
Wireless Charging Pad 2 x 15W Max. (For Each)
INPUT
AC Charging Cable Input 3,000W Max.
Solar Input 2,400W Max., VOC 12-150VDC, 12A
Car Input 12/24V from Cigarette Lighter Port
Max Input 5,400W, with AC and Solar Input Simultaneously
GENERAL
App Control Yes, WIFI & Bluetooth
Scalability Expandable W/Up to 4 x B300
Simultaneous Recharge & Discharge Yes
Weight 47.6lbs (21.6kg)
Dimensions (LxWxD) 20.5 x 12.5 x 14.1in (52 x 32 x 35.80cm)
Operating Usage Temp. -4-104℉ (-20-40℃)
Storage Temperature -4-104℉ (-20-40℃)
Certification UL2743, UKCA, TELEC, RCM, FCC ID, CE
Warranty 4 Years

 

How to choose Solar Panels:

Configuration Charging Time with 3 Panels Charging Time with 2 Panels Charging Time with 1 Panel
AC300 + B300 + PV350 4.5 ~ 5 hrs 6 ~ 6.5 hrs 11.5 ~ 12 hrs
AC300 + B300 + PV200 7 ~ 7.5 hrs 10.5 ~ 11 hrs 20 ~ 20.5 hrs

Charge Your Power, Your Way 

From the Wall

Charge Your Power, Your Way 

From the Sun

Charge Your Power, Your Way 

From Dual AC

Charge Your Power, Your Way 

From the Sun & Wall

Delivery

Free UK Delivery
4-year Hassle Free Warranty

Please contact us if you have any problems with the quality of your product or delivery service.

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We have a team of experienced designers/installers who cover the whole of the UK, we also offer an excellent after sales service on all of our installations.

Get in touch to start the journey towards your dream garden…

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