Renogy REGO 12.8V 400Ah Lithium Iron Phosphate Battery

  • 5.12kWh Ultra-High Energy Capacity
    Delivers a massive 5120Wh of power storage, making it ideal for large-scale solar systems, off-grid homes, and backup energy applications.
  • Self-Heating Function for Cold Weather
    Automatically activates safe internal self-heating technology to allow charging in low temperatures, ensuring year-round performance in cold climates.
  • 62 Built-In BMS Protections
    Offers comprehensive battery management system (BMS) safeguards against overvoltage, short circuit, overcharge, over-discharge, and more.
  • Durable, Vibration-Resistant Aluminum Casing
    Engineered with a rugged aluminum housing that resists shock, vibration, and harsh environmental conditions—perfect for mobile and marine setups.
  • Fully Compatible with Renogy ONE Core
    Seamlessly integrates with the Renogy ONE Core monitoring system for remote tracking, automation, and real-time energy insights.

£2,399.99

Description

Power Anything with Ultra-High Capacity

Up to 8 batteries can be connected in parallel, offering a total capacity of up to 40KWh.

Intellgent Self-Heating Function

Optimal performance in both low and high temperatures. Discharge Temperature-4-131F

Save Over 30% Installation Footprint and cut 6 Cables

Replace four 12V 100A batteries with one REGO 12V 400A, unlocking 5.12kWh of storage, saving 30% on installation space, and eliminating 6 cables. Streamlined, powerful, efficient.

Advanced cells for maximum battery life

Lighter weight, larger capacity battery cells provide less internal resistance and improved charge balance

New Generation Smart BMS

Innovative smart BMS ensures absolute reliability and safety of the battery

Advanced cells for maximum battery life

Lighter weight, larger capacity battery cells provide less internal resistance and improved charge balance

IP65 Waterproof Design

Applicable to More Scenarios,such as yacht, marine and outdoor, etc.

Monitor Your Battery With APP

Bluetooth equipped for easy and convenient monitoring from your smart phone.

ADVANCED CELL DESIGN PROVIDES SUPERIOR POWER DENSITY

Lighter weight, larger capacity battery cells provide less internal resistance and improved charge balance Other Lithium Battery

Power Anything with Ultra-High Capacity

Dimensional Reference Guide
Before installing the battery, please note that you need to leave 1.97-3.94 in (50-100 mm) for the top of the battery; the side with Anderson Adapter Cables needs to be left at least 7.87 in (200 mm).

Package Includes

12V 400Ah REGO Lithium Iron Phosphate Battery

12V 400Ah REGO Lithium Iron Phosphate Battery

1 x

Specifications

Renogy REGO 12V 400Ah Lithium Iron Phosphate Battery
Electrical Specifications Electrical Specifications
Battery Type Lithium Iron Phosphate Nominal Voltage 12.8V
Rated Capacity 400Ah (0.2C, 25°C) Energy 5120Wh
Boost Voltage 14.4V Tail Current 20A
Max Charge Current 5A (-20°C~0°C), 200A (0°C~15°C / 50°C~55°C), 300A (15°C~50°C) Max Discharge Current 350A (-20°C~60°C)
Cycle Life >3800 Cycles (0.2C, 25°C, 80% DOD, 80% EOL) Internal Resistance <10mΩ
Peukert Exponent 1.01 Self-Discharge Rate ≤1.5%/Month (Shelf Mode)
Environmental Specifications Environmental Specifications
Charge Temp Range 32°F~131°F (0°C~55°C) Discharge Temp Range –4°F~140°F (–20°C~60°C)
Storage Temp Range Up to 1 Week: –22°F~140°F (–30°C~60°C)
Up to 6 Months: –4°F~113°F (–20°C~45°C)
Relative Humidity 5%–95%
Mechanical Specifications Connectivity & Communication
Dimensions 18.0 x 13.0 x 10.5 in (457 x 329 x 267.2 mm) Weight 112.4 lbs (51 kg)
Housing Material Aluminum Protection Rating IP65
Input/Output Connector Anderson 350 Connector Connection Method Parallel (Up to 8)
Communication Protocols RV-C (CAN), MODBUS (via Bluetooth Module)
Certifications & Warranty Certifications & Warranty
Certifications MSDS, UN38.3, FCC
Warranty 5-Year Material & Workmanship Warranty