Description
The BLUETTI AC300 + B300K + Alternator Charger is a fully modular, ultra-reliable home battery backup and off-grid energy system, built for high-demand usage in homes, RVs, or remote setups. The AC300 features a 3,000W pure sine wave inverter (with a 6,000W surge), paired with the B300K expansion battery, delivering 3,072Wh of LiFePO₄ storage—expandable up to 12,288Wh with up to 4× B300K units.
This bundle includes an Alternator Charger 1, allowing users to safely and efficiently charge their B300K battery from a vehicle’s alternator—ideal for mobile energy needs during road trips, van life, and long-distance travel. The system supports dual input charging (AC + solar or generator), and offers MPPT solar input up to 2,400W, enabling a full recharge in under 2 hours with optimal sunlight.
With smart app control via Wi-Fi/Bluetooth, integrated UPS functionality (20ms switchover), and advanced battery management protection, this all-in-one energy kit provides power security, flexibility, and performance wherever you need it most.
Key Features
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⚡ 3,000W Pure Sine Wave Inverter (6,000W surge)
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🔋 3,072Wh Expandable Battery Capacity with up to 4× B300K
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🚗 Alternator Charger Included: Charge directly from vehicle
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☀️ 2,400W Max Solar Input via dual MPPT
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🔌 Multiple Outputs: AC, USB-C 100W, USB-A, 12V RV port
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🔄 Dual Fast Charging: AC + Solar or Generator
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🧠 Smart App Control via Wi-Fi & Bluetooth
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🔒 LiFePO₄ Battery: 3,500+ charge cycles (80% capacity)
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🛡️ Seamless UPS Functionality (<20ms switchover time)
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🧳 Ideal for Homes, Vans, RVs, Cabins, Off-Grid Power
Specifications – BLUETTI AC300 + B300K + Alternator Charger
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
The BLUETTI AC300 + B300K + Alternator Charger delivers 3,000W power, 3,072Wh capacity (expandable), solar/vehicle charging, and smart control for mobile and home backup.
- 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.
Charger 1
- High-Speed Charging: Delivers Max. 560W of power—6 times faster than traditional car cigarette lighter chargers.
- Wide Compatibility: Works with all BLUETTI power stations and most brands on the market.
- Safety Features: Protect your vehicle battery and power station from short circuit, reverse connection, under-voltage, over-temperature, etc.
“As a Senior Surveyor at Aurecon, I found Jamie and Alison from the Green Sky Team were extremely helpful and rapidly responded to our short notice request.
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