- Smartest 120V/240V Portable Power: Off-grid energy for home backup or outdoor use.
- Grows With You: From 2.7kWh to 58kWh and 3.8kW to 11.5kW, from basics to whole-home backup.
- 17-Year Battery Life: EV-grade LiFePO₄ ensures safe, reliable power for decades.
- Fast Payback: Lower your bills and recoup costs in as little as 2 years.
- Storm-Ready: BLUETTI app alerts you early and preps the system automatically.
- Instant Backup: 0ms UPS switchover keeps essentials running nonstop.
- Handles Heavy Loads: 12kW bypass powers HVACs, EVs, and more.
- Ultra-Efficient: 2–3× lower self-consumption saves more power and money.
- Flexible Generator Charging: Recharge fast with up to 11.5kW input at 120V/240V.
- Massive Solar Input: Capture up to 19.2kW with SolarX 4K for clean, fast charging.
Why settle for just a generator? Apex 300 is more than power — it's the heart of your energy ecosystem. Plug into a home panel, fast-charge your RV, or link with off-grid solar — expand it like building blocks. From blackouts to road trips to wild escapes, Apex 300 keeps every scene connected with power at your command.
Stay powered through storms and outages with the Apex 300. Its modular design lets you build the system that fits your needs. With Extreme Weather Alert, it responds quickly to power cuts. When connected to the AT1 panel, you get full control of every circuit in your home — so you can stay safe and worry-free.
Seamless Power with Your Generator
Generator Backup
Charge with a generator for extended backup and power devices quietly at night.
Home Integration
Plug into your home's inlet box via NEMA 14-50R outlet. Power your home like a generator, no setup needed.
Plug into your home's inlet box via NEMA 14-50R outlet. Power your home like a generator, no setup needed.
Automatic Backup, From Essentials to Full Home
Automatically keep essentials like routers and fridges running during outages.
Full Home Power
RV Generator
Hit the road with Apex 300 — a quiet, clean power solution that can replace or work alongside your generator. Whether it's a weekend getaway or a long haul, enjoy easy AC and DC power* to keep your RV going strong. *Hub D1 is required for DC power.
Power Your RV Journey
Get started instantly with easy plug-and-play power for your RV.
Charge while you drive and power up on the go, seamlessly.
Off-Grid Living
Take your power off the grid — and stay there. The Apex 300 delivers steady, long-lasting energy for remote cabins, outdoor studios, and hunting lodges. From tools to tech, it's built to keep you powered up, anywhere.
Off-Grid Solar Power for Your Home
Harness solar energy, power your essentials day and night — quiet, reliable, and off-grid.
Power Expansion for Every Situation
The B300K、B500K adapts to your life, whether you're safeguarding your home during outages or powering an off-grid adventure. Stack multiple B300K batteries, or mix and match with B300, and B300S models for a customized energy solution that ensures you're never caught without power, no matter where you are.
120V & 240V Power, Do It All at Once
Unlike others stuck with "either-or," Apex 300 lets you power both 120V and 240V devices simultaneously — even while charging. No rewiring, no compromises. Just reliable power, wherever you need it.
Flexible Power, Effortless Expansion
The Apex 300 offers a modular design that grows with your needs. Connect 2–3 units and up to 18 batteries for up to 11.52kW output and 58kWh capacity. Start small, expand as needed, and customize your power system without complicated upgrades or extra hassle.
Your Backup Power That Pays You Back
Turn sunshine into serious savings. With up to 4,000W solar input*, the Apex 300 helps you cut down your energy bills fast — enough to pay for itself in just 2 years. After that, the savings are all yours.
* Requires a SolarX 4K.
Save up to $2,400 Annually on Your Bills
Let Apex 300 handle your energy bills with smart peak-load shifting. Simply enable the mode in the app, and it'll automatically charge using solar and low-rate grid power, then power your home during peak hours — maximizing savings without lifting a finger.
Super-Fast Solar Charging
With BLUETTI's SolarX 4K—the world's first 4,000W solar charge controller, you can harness 3.8kW–19.2kW of solar input. Easily integrate it with existing rooftop solar systems via AC coupling, making it perfect for DIY enthusiasts who want flexible, high-power charging.
Note: Data tested by BLUETTI Labs. Actual charging times may vary.
3 × Apex 300 + 9 × B300K + 3 × SolarX 4K + AT1: Reaches full power in just 1.6 hours, supporting air conditioners, refrigerators, or whole-home backup.
*For homes with ≥11.52 kW solar inverters, this setup delivers full performance. Additional B300K batteries can be added for more capacity.
Multiple Ways to Recharge, All Fast
Smart Control, Made Easy
With the BLUETTI app, you're always in control — from receiving early disaster alerts that automatically prepare your system for outages, to real-time tracking of your energy savings and backup status. Thanks to AI-driven features and quick OTA updates, your system stays up-to-date with the latest functions. Plus, remote access lets you manage your home power anytime, anywhere, making life easier and safer.
Built for Durability and Efficiency
With the EnerBalance AI system, enjoy up to 6,000 cycles with 80% capacity retention. The magnetic-core transformer and five-stage efficiency tech cut idle loss to just 20W. Fast 0ms or 20ms switching keeps sensitive devices like CPAP machines running smoothly. Plus, it's military-grade tested (MIL-STD-810G) for tough, long-lasting performance.
Power That Lasts, Performance That Leads
Dual voltage. More cycles. High-load compatibility. Near-instant UPS switching. All working together for uninterrupted reliability.
Tech Specs
BATTERY INFO
OUTPUT
INPUT
GENERAL
IN THE BOX
Apex 300x 1
AC Charging Cablex 1
Car Charging Cablex 1
Grounding Screwx 1
User Manualx 1
