Your fortress of power in uncertain times. The BLUETTI AC300 paired with the B300K Expansion Battery delivers an ultra-reliable, scalable energy solution for emergency backup, off-grid living, vanlife, or long-term resilience planning. With 3,000W pure sine wave output, modular LiFePO₄ battery chemistry, and full app control, this unit powers everything from fridges and routers to power tools and medical gear.
🔌 Note for UK Customers: This model comes with a US plug and requires a UK adapter or step-down transformer for direct AC wall charging. However, it functions flawlessly once connected, and is fully compatible with UK solar charging setups, 12V outputs, and all USB-powered devices.
🔋 Core Stats:
Feature
Specification
Total Capacity
2,764.8Wh (51.2V, 54Ah)
AC Output Power
3,000W (Pure Sine Wave)
Battery Type
LiFePO₄ (Lithium Iron Phosphate)
Cycle Life
4,000+ cycles to 80% capacity
USB-A Ports
2 × 5V / 2.4A (12W Max)
Plug Type
US Standard (Adapter Required for UK use)
Voltage Output
110V AC
Weight
29.5kg (65.04 lbs)
Dimensions
52.5 × 32.7 × 20.9 cm
Warranty
3 + 1 Years (Extended Support)
🧰 Key Features:
Modular Power System: Expandable by adding extra B300K battery modules
Fast AC Charging: Recharge 0–80% in just ~1.5 hours
App-Based Control: Monitor power usage and manage settings via smartphone
Emergency Backup (EPS): Switches to battery in 20ms during outages
Peak Load Shifting: Save on electricity by using stored energy during peak pricing
240V Ready: Link two AC300s via BLUETTI P030A Fusion Box for 240V appliances
🛠 Ideal Use Cases:
Home Backup: Keep lights, fridge, router, and essentials running during blackouts
Off-Grid Living: Solar-compatible, robust enough for full cabin or RV use
Prepping & Resilience: A dependable, long-cycle battery bank for survivalists
Worksite Power: Silent and emissions-free alternative to gas generators
Remote Monitoring: Control and monitor from anywhere with the BLUETTI App
