The BLUETTI AC500 + 2×B300K is a modular, high-capacity home battery backup system designed to provide seamless power during outages and support off-grid living. With a powerful 5,000W pure sine wave inverter (10,000W surge) and expandable battery capacity using two 3,072Wh B300K battery modules (totaling 6,144Wh), this system ensures reliable energy for your entire home.
Built with long-lasting LiFePO4 battery cells rated for 3,500+ life cycles, the AC500 system supports solar input up to 3,000W and dual recharging (AC + PV), achieving 0–80% recharge in under 1 hour. It features multiple output ports, including AC, USB-C PD 100W, 12V/30A RV port, and more—ideal for both residential backup and off-grid applications.
Manage and monitor your system in real-time using the BLUETTI App, and rest easy knowing the advanced BMS and UPS functionality protect your appliances during power outages.
Key Features
⚡ 5,000W Pure Sine Wave Inverter (10,000W surge)
🔋 Includes 2×B300K Batteries, each with 3,072Wh (total 6,144Wh)
♻️ Expandable Capacity up to 18,432Wh (with additional B300K units)
☀️ Max 3,000W Solar Input, MPPT-enabled
🔌 Versatile Outputs: AC, USB-C PD 100W, 12V/30A RV port, USB-A, car port
🚀 Dual Charging Support: AC + PV or generator
🔄 Seamless UPS Backup with 20ms switchover
🧠 Smart BMS & App Control via Wi-Fi and Bluetooth
🔒 LiFePO4 Battery with 3,500+ charge cycles to 80%
🏡 Ideal for Home Backup, Off-Grid Power, or RVs
Tech Specs – BLUETTI AC500 + 2×B300K Home Battery Backup
AC500
OUTPUT
AC Outlets
3 x 240V/10A Outlets 2 x 240V/15A 1 x 240V/32A 5,000W In Total
Inverter Type
Pure Sine Wave
Surge Power
10,000W
USB-A Port
2 x 5V/3A USB-A 2 x 18W USB-A
USB-C Port
2 × USB-C 100W Max.
DC Outlets
1 x 12V/30A (RV Outlet) 1 x 24V/10A (Car Outlet) *All regulated.
INPUT
AC Input
3,000W Max. (W/ 1*B300K), 5,000W Max. (W/ 2 or more B300K)
Solar Input
3,000W Max., VOC 12-150VDC, 15A
Car Input
12/24V from Vehicle Cigarette Lighter Port
Maximum Input
4,500W (W/ 1*B300K), 8,000W (W/ 2 or more B300K) with AC and Solar Input Simultaneously
GENERAL
App Control
Yes, WiFi & Bluetooth
Scalability
Expandable W/Up to 6 x B300K Or 6 x B300S
Pass-through Charging
Yes
Weight
66.2lbs / 30kg
Dimensions (L x W x D)
20.5 x 12.8 x 14.1in / 52 x 32.5 x 35.8cm
Charging Temperature
-4°F to 104°F / -20°C to 40°C
Discharging Temperature
32°F to104°F / 0°C to 40°C
Storage Temperature
-4℉ to 104℉ / -20℃ to 40℃
Certification
UL2743, UKCA, TELEC, RCM, FCC ID, CE
Warranty
4 Years
B300K:
Tech Specs – BLUETTI AC500 + 2×B300K Home Battery Backup
BATTERY INFO
Capacity
2,764.8Wh (51.2V, 54Ah)
Type
LiFePO₄ (Lithium Iron Phosphate)
Life Cycles
4,000+ Cycles to 80% Original Capacity
OUTPUT
USB-A Port
12W Max., 5V / 2.4A
GENERAL
Weight
Approx. 29.5kg (65.04lbs)
Dimensions (L x W x D)
525 × 327 × 209mm (20.67 × 12.87 × 8.23in)
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) Up to 6 months: -20°C to 25°C (-4°F to 77°F)
Working Humidity
5% to 95%RH
Charging Current
60A Max. (Current may decrease outside specified temperatures)
Discharging Current
70A Max.
2 × Expansion Port
58.4VDC Max., 90A Max.
Warranty
4 Years
Overview
The BLUETTI AC500 + 2×B300K is a powerful modular home battery backup with 6,144Wh capacity, 5,000W inverter, fast solar + AC charging, and UPS support.
5,000W AC Output: Power most appliances effortlessly（3,000W Max. with 1*B300K, 5,000W Max. with 2*B300K or more）
Expandable Capacity: Tailor your energy storage from 2,764.8Wh to 16,588.8Wh
LiFePO₄ Battery: Deliver over 10 year’s performance and reliability
24/7 UPS Home Backup: Uninterrupted power during unexpected outages
Smart App Control (WiFi & Bluetooth Connection)
16 Versatile Outlets for 99% Devices
Efficient Solar Input: 0-80% capacity in 1.5 Hours with 3,000W input
8,000W Dual Charging: Combine AC and Solar to boost the charging
4-Year Warranty: Enjoy peace of mind with dedicated service
Additional information
Weight
29.5 kg
Dimensions
52.5 × 32.7 × 20.9 cm
In the Box
AC500 Power Station x 1
B300K Expansion Battery x 2
10A AC Charging Cable x 1
AC500 Solar Charging Cable (MC4 to Aviation Cable) x 1
Car Charging Cable (Cigarette lighter-M to MC4) x 1
Battery Expansion Cable (P090A) x 1
P090D To P150D Cable x 2
User Manual x 1
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