The BLUETTI Apex 300 is a next-generation freestanding power station built for homeowners, off-grid adventurers, and anyone who refuses to be left in the dark. With 3,840W of pure sine wave output and 2,764.8Wh of LiFePO₄ storage, it delivers clean, reliable power for everything from refrigerators and medical equipment to power tools and EV chargers.
Designed to grow with you, the Apex 300 expands up to 58kWh with B300K batteries and up to 100kWh with B500K batteries. Pair it with the SolarX 4K for ultra-fast solar charging, and enjoy 0ms UPS switchover so your essentials never miss a beat during an outage.
Key Features
3,840W Pure Sine Wave Output: Powers heavy appliances including HVACs, EVs, and power tools.
2,764.8Wh Built-In Capacity: Expandable to 58kWh (B300K) or 100kWh (B500K) for whole-home backup.
17-Year Battery Life: EV-grade LiFePO₄ chemistry built for decades of reliable service.
0ms UPS Switchover: Instant backup keeps your essentials running without interruption.
Fast Solar Charging: Accepts up to 4,000W solar input via SolarX 4K — full charge in as little as 1 hour.
Storm-Ready Smart Alerts: BLUETTI app pre-arms the system automatically when severe weather approaches.
12kW Bypass Mode: Handles HVACs, EV chargers, and other heavy loads seamlessly.
Whether it's your first project or your fifth, our USA-based team is here for you. Lifetime support means you're never on your own.

Inverter Output
3,840W (Pure Sine Wave)
Built-In Capacity
2,764.8Wh
Battery Type
LiFePO₄ (EV-Grade)
Estimated Lifespan
17 Years
Max Expandable Capacity
58kWh (B300K) / 100kWh (B500K)
UPS Switchover
0ms
Max Solar Input
4,000W (with SolarX 4K)
Bypass Power
12kW
Compatible Batteries
B300K, B500K, B300, B300S
Weight
38 kg (83.8 lbs)
Brand
BLUETTI