Description
The BLUETTI AC300 + 2×B300K is a fully modular solar-powered home battery backup system designed to deliver reliable, high-capacity energy storage for both on-grid and off-grid applications. Featuring a robust 3,000W pure sine wave inverter (6,000W surge), the AC300 supports power-hungry appliances such as air conditioners, refrigerators, medical devices, and workshop tools with ease.
Paired with two B300K expansion batteries, this setup provides a total 6,144Wh of clean, long-lasting LiFePO₄ energy storage. The system supports solar input up to 2,400W, enabling ultra-fast recharge times—ideal for off-grid homes, RVs, van life, and emergency backup scenarios. You can expand the system up to 12,288Wh (4×B300K) for extended autonomy.
Integrated dual charging allows simultaneous input from solar and AC (or generator), and the smart BLUETTI App gives full remote control and monitoring over Wi-Fi or Bluetooth. With advanced UPS functionality, the AC300 switches to battery power in under 20ms to protect essential devices during blackouts.
Key Features
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⚡ 3,000W Pure Sine Wave Inverter (6,000W surge capacity)
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🔋 6,144Wh Expandable LiFePO₄ Battery Capacity (2×B300K)
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☀️ 2,400W Max Solar Input via dual MPPT
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🔌 13 Output Ports: AC outlets, USB-C, USB-A, RV port, DC5521
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🔄 Dual Charging Support: AC + Solar or Generator
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🧠 Smart App Control: Monitor & manage via Wi-Fi or Bluetooth
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🔒 LiFePO₄ Battery with 3,500+ charge cycles to 80%
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🛡️ 20ms UPS Switchover ensures protection during power loss
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🧳 Expandable Design: Supports up to 4×B300K batteries
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🏡 Perfect for Home Backup, RVs, Off-Grid Living, and Power Security
Specifications – BLUETTI AC300 + 2×B300K
BATTERY INFO
Capacity:
Work with B300K’s, start at 2764.8Wh
Cell Chemistry:
Lithium Iron Phosphate(LiFePO₄)
Lifecycle:
3.500+(to 80%),6.000+(to 50%)
Management System:
BMS, Over Voltage Protection, Short Circuit Protection
OUTPUT
AC Outlets:
6x 220V-240V
3.000W In Total
Inverter Type:
Pure Sine Wave
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 (Car Outlet)
*All Regulated.
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 B300K
Simultaneous Recharge & Discharge:
Yes
Dimensions (LxWxD):
20,5 x 12,5 x 14,1in ( 52 x 32 x 35,80cm)
Operating Usage Temperature:
-4-104℉ (-20-40℃)
Storage Temperature:
-4-104℉ (-20-40℃)
Certification:
UL2743, UKCA, TELEC, RCM, FCC ID, CE
Overview
BLUETTI AC300 + 2×B300K delivers 3,000W output and 6,144Wh capacity, supports solar charging, UPS, and app control—ideal for home and off-grid power needs.
- 3.000W AC Output: Power most appliances effortlessly.
- Expandable Capacity: Tailor your energy storage up to 11.059,2Wh.
- 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.
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