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BLUETTI EP900 + 3x B500 – Home Battery Backup System

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BLUETTI EP900 + 3x B500

$13,797.99
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BLUETTI EP900 + 3 × B500 – Home Battery Backup System

Reliable, Modular Power for Your Home

The BLUETTI EP900 paired with 3 × B500 expansion batteries delivers a scalable energy storage solution designed to provide clean, reliable, and cost-effective power for your home. Perfect for reducing electricity costs, ensuring backup during outages, and maximizing energy efficiency, this system lets you store solar power for on-demand use and even sell excess energy back to the grid.

Key Features

  • Energy Independence at Your Fingertips: Harness and store solar energy or utility power to run essential appliances whenever needed. Avoid high electricity bills, prepare for outages, and gain the freedom of on-demand energy for your household.
  • High-Capacity & Powerful Output: The EP900 provides 10–20 kWh of capacity per unit and a 9,000W inverter capable of powering both 120V and 240V devices. Pair two units for up to 18 kW output—enough to run your entire home seamlessly.
  • 100% Modular & Expandable: Connect multiple B500 batteries to achieve up to 19.8 kWh per EP900 (29.7 kWh with three B500s) for a fully customized energy solution.
  • Heavy-Duty Performance: Handles demanding appliances such as power tools, air conditioners, and home workshops without compromise.
  • Safe, Reliable & Long-Lasting: Advanced LiFePO4 batteries and a state-of-the-art Battery Management System (BMS) ensure optimal safety, longevity, and consistent performance. Backed by a 10-year warranty with optional certified installation.

Why Choose BLUETTI EP900 + 3 × B500?

  • Flexible Home Energy: Adaptable for both daily use and emergency backup.
  • Expandable & Scalable: Increase storage as your household energy needs grow.
  • High-Power Output: Perfect for running multiple high-demand appliances simultaneously.
  • Safe & Durable: LiFePO4 battery chemistry combined with advanced BMS ensures worry-free operation.
  • Smart & Efficient: Optimize solar and utility power use while saving on energy costs.

Applications

  • Whole-Home Backup Power
  • Off-Grid Living & Tiny Homes
  • Home Workshops & High-Power Appliances
  • Emergency & Disaster Preparedness

What’s Included

  • 1 × BLUETTI EP900 Energy Storage System
  • 3 × B500 Expansion Battery (14,880Wh)
  • Cables & Accessories for Pairing and Installation
  • 1 × User Manual & Warranty Documentation

Specifications

Parameter Details
BLUETTI EP900 Inverter
ScalabilitySupports 2–4 × B500 batteries (9.9kWh–19.8kWh)
App ControlBLUETTI App via Wi-Fi or Bluetooth
Protection GradeIP65
Noise Level≤ 50 dB(A)
Operating Temperature-4°F to 122°F (-20°C to 50°C)
Relative Humidity5%–95%
Warranty10 years
AC Output (Grid-Tied)
Output Power9kW (240V)
WiringL1 / L2 / N / G
Output Voltage120VAC / 240VAC
Output Current37.5A × 2
Input Frequency60Hz
Grid ↔ Off-Grid Switching Time< 10 ms
Grid-Tied ProtectionsAnti-islanding, output overcurrent, short-circuit, over-temperature derating & shutdown
AC Output (Off-Grid)
Output Power9kW (240V), 7.6kW with 2 × B500
Output Voltage120VAC / 240VAC
Output Current37.5A × 2
Output Frequency60Hz
Off-Grid ProtectionsOutput overcurrent, short-circuit, over-temperature protection
PV Input
Maximum PV Input Power9kW
MPPT Channels1 / 2 (3,000W + 6,000W)
Recommended PV Voc240V–500V
Maximum Input Voltage150V–500V / 360V
MPPT Current (Rated)12.5A / 25A
MPPT EfficiencyUp to 99.9%
PV Inversion EfficiencyUp to 97.0%
PV ProtectionsReverse polarity, insulation resistance detection, arc-fault detection
NotesPV system installed on battery side; no residual current detection
BLUETTI B500 Battery Pack
Battery TypeLithium Iron Phosphate (LiFePO₄)
Rated Capacity4,960Wh
Usable Capacity4,464Wh
Depth of Discharge (DoD)90%
Protection GradeIP65
Noise Level< 25 dB
Operating Temperature – Charging32°F–104°F (0°C–40°C)
Operating Temperature – Grid-Connected-4°F–104°F (-20°C–40°C)
Operating Temperature – Discharging-4°F–104°F (-20°C–40°C)
Storage Temperature-4°F–104°F (-20°C–40°C), ≥1 charge/month; 32°F–95°F (0°C–35°C), ≥1 charge every 6 months
Working Humidity5%–95%
Working Altitude< 2,000 m
Short-Circuit ProtectionYes

Understanding Your Power Needs

Power Calculation Guide

Sizing Metric Formula & Example
Energy Consumption (Wh) Formula: Watts × Hours
Example: 60W × 4 hrs = 240 Wh
Battery Capacity (Ah) Formula: Watt-hours ÷ System Voltage (V)
Example: 240 Wh ÷ 12V = 20 Ah
Inverter Size (W) Formula: Total Watts × 1.25 (safety margin)
Example: 300W × 1.25 = 375W → Use 400W inverter
Total Load Power (W) Formula: Sum of all appliance watts used simultaneously
Example: Light (10W) + Fan (75W) = 85W
Runtime (hrs) of Battery Formula: (Battery Ah × Voltage) ÷ Total Load (W)
Example: (100Ah × 12V) ÷ 240W = 5 hrs

Find Your Power Match

Need / Application System Recommendation
Basic lighting + phone charging Recommended Battery: 50Ah – 100Ah (12V)
Inverter Size: 100W – 200W
Notes: For small backup setups
Home office (laptop, fan, TV) Recommended Battery: 150Ah – 200Ah (12V or 24V)
Inverter Size: 500W – 1000W
Notes: For moderate usage with 4–6 hours of backup
Home backup (fridge, lights) Recommended Battery: 200Ah+ (24V or 48V recommended)
Inverter Size: 1000W – 1500W
Notes: Ideal for longer backups or heavier loads
Business / shop power backup Recommended Battery: 300Ah+ (48V system)
Inverter Size: 2000W – 3000W
Notes: Suitable for commercial setups or extended power outages

Why Shop With Us

  • Authorized & Trusted Dealer: We’re fully authorized for every brand we carry, so you get genuine products backed by full manufacturer warranties.
  • Fast, Reliable Shipping: Shipped from U.S. warehouses with quick, dependable freight options — keeping your project on track.
  • 30-Day Hassle-Free Returns: Changed your mind? Enjoy a simple 30-day return process for peace of mind.
  • Real Human Support, 7 Days a Week: Reach us by phone, email, or live chat — no bots, no overseas call centers, just experts who know off-grid power systems.
  • Expert Energy Guidance: Our solar and backup energy specialists are here to help with system design, product questions, and installation tips.
  • USA-Based Service: Local, knowledgeable, and friendly support right here in the U.S.
  • Secure Payments: Shop confidently with encrypted, secure checkout protecting your personal and payment information.
  • Built for Energy Independence: Whether powering a cabin, prepping for emergencies, or going off-grid, our products are chosen for performance, reliability, and sustainability.

BLUETTI EP900 + 3x B500 – Home Battery Backup System

$13,797.99