BLUETTI APEX 300 + B500K Expansion Combo

Whole-Home & RV Modular Battery Eco-System, 3,840W Split-Phase 120V/240V Inverter Station, High-Capacity Long-Life LiFePO4 Off-Grid Generator Kit

Secure unconditional whole-home emergency backup security, professional off-grid cabin utility, or high-capacity RV shore power infrastructure with the BLUETTI APEX 300 + B500K Expansion Power System. Positioned as a flagship next-generation modular energy ecosystem, this high-performance bundle pairs the cutting-edge APEX 300 master unit with a massive 5,120Wh B500K expansion battery block. Delivering an extraordinary 7,884.8Wh combined capacity straight out of the box, this professional-grade platform gives you the native capability to safely run both standard 120V microelectronics and heavy-duty 240V household appliances simultaneously without complex rewiring, extra transformers, or compromises.

The core inverter architecture leverages an integrated, continuous 3,840W pure sine wave transformer (with a staggering 7,680W short-term surge headroom). Utilizing advanced, premium EV-grade Lithium Iron Phosphate (LiFePO4) chemistry managed by an intelligent EnerBalance AI system, the platform is certified for over 6,000 charge cycles—promising up to 17 years of reliable daily deployment. When grid anomalies or storm blackouts strike, its near-instantaneous 0ms UPS switchover mechanism ensures sensitive network routers, desktop computers, medical CPAP equipment, and refrigerators remain powered seamlessly without a single flicker.

Key Product Features & Core Engineering

• Dual 120V & 240V Output Capability: Native split-phase power distribution drives heavy-load household systems (HVAC elements, well pumps, electric dryers) alongside low-voltage consumer electronics simultaneously.

• Massive 7.8kWh Initial Footprint: Combines the core station's 2,764.8Wh and the expansion battery's 5,120Wh into a high-capacity storage foundation that can scale modularly over time.

• 0ms Seamless UPS Switching: Ultra-fast transfer speed protects data integrity and critical equipment by taking over essential electrical loads instantly when grid inputs drop out.

• Advanced AI-Driven Peak Shifting: Features integrated software-level scheduling via the BLUETTI app to charge using solar or cheap off-peak grid pricing, then power your home during peak hours to maximize monthly utility savings.

• Extreme Weather Smart Prep: Connects via dual-band Bluetooth and WiFi, receiving localized meteorological disaster alerts to automatically top off internal battery reserves before severe storms arrive.

• Ruggedized Structural Engineering: Fully certified and shock-vibration tested to strict MIL-STD-810G military standards, featuring clean magnetic-core transformers that drop idle power loss to a mere 20W.

Technical Specifications Summary

Comprehensive Product Packaging List

• 1 × BLUETTI APEX 300 Master Modular Power Station Unit (2,764.8Wh Built-In)

• 1 × BLUETTI B500K Deep-Cycle Expansion Battery Pack Module (5,120Wh)

• 1 × Heavy-Gauge Dedicated Locking Battery Interconnect Cable

• 1 × High-Amperage AC Ground Wall Outlet Charging Cable

• 1 × Universal Car Cigarette Accessory Socket Charging Adapter

• 1 × Master System Technical Blueprint, Safety Manual, and Initial Configuration Guide

Critical Field Installation & Operational Guidelines

• Secure Interconnect Locking Routine: When linking the heavy B500K expansion battery to the main APEX 300 power station, insert the heavy-gauge interconnect cable firmly until it seats completely into the bay, then engage the structural mechanical slider locks on the plug body. Never attempt to connect or detach this high-current cable while either unit is powered on.

• Solar Open-Circuit Voltage Bounds: The dual solar charging inputs utilize native DC connections accepting 12V to 60V DC up to 20A per port. Ensure that your configured solar arrays do not exceed the 60V max limit under cold morning conditions, as excessive open-circuit voltage (VOC) will instantly trip safety mechanisms. (Note: Higher solar arrays require external accessories like the SolarX 4K).

• Sub-Zero Thermal Safety Rule: While LiFePO4 cells feature superior safety characteristics and the B500K includes structural internal insulation, avoid forcing high-rate charges when internal temperatures fall below 32°F (0°C). Allow the internal system components to warm up naturally inside an insulated cabin or RV compartment before initiating heavy charging currents.