Description














Ultra-High Capacity Power: With 5.12kWh of storage, this lithium battery can power a variety of devices and systems. Additionally, up to 8 batteries can be connected in parallel, offering an impressive total capacity of up to 40kWh, making it ideal for large-scale energy storage needs.
Intelligent Self-Heating Function: Designed to perform optimally in both low and high temperatures, this battery features an intelligent self-heating function that ensures safe charging and efficient operation, even in extreme conditions. Discharge Temperature: -4°F to 131°F.
Space-Saving and Efficient: Replace four 12V 100A batteries with a single REGO 12V 400A, unlocking 5.12kWh of storage. This saves over 30% of installation space and eliminates the need for six cables, simplifying installation while boosting efficiency.
Advanced Cells for Maximum Battery Life: The battery uses lighter, larger capacity cells with reduced internal resistance, resulting in better charge balance, extended lifespan, and superior energy efficiency.
Next-Generation Smart BMS: The innovative Smart Battery Management System (BMS) ensures optimal performance, reliability, and safety by managing charging and discharging processes with precision.
IP65 Waterproof Design: With an IP65 waterproof rating, this battery is protected from dust and water, making it suitable for a variety of outdoor and marine applications, including yachts and outdoor energy setups.
Bluetooth Monitoring via App: Stay in control with Bluetooth functionality, allowing you to easily monitor the battery’s performance from your smartphone through an intuitive app.
Superior Power Density: Thanks to its advanced cell design, this battery offers higher power density, providing more power in a compact package.
Dimensional Reference Guide: For installation, ensure that there is at least 1.97–3.94 inches (50–100 mm) of space above the battery, and 7.87 inches (200 mm) of space on the side with the Anderson Adapter Cables.
Battery Type: Lithium Iron Phosphate (LiFePO4)
Nominal Voltage: 12.8V
Rated Capacity: 400Ah (0.2C, 25°C)
Boost Voltage: 14.4V
Maximum Charge Current:
Maximum Discharge Current: 350A (-20°C ~ 60°C)
Cycle Life: >3800 Cycles (0.2C, 25°C, 80% DOD, 80% EOL)
Charge Temperature Range: 32°F ~ 131°F (0°C ~ 55°C)
Discharge Temperature Range: -4°F ~ 140°F (-20°C ~ 60°C)
Storage Temperature Range:
Operation Relative Humidity: 5% ~ 95%
Self-Discharge Rate: ≤1.5%/Month (Shelf Mode)
Internal Resistance: <10mΩ
Tail Current: 20A
Peukert Exponent: 1.01
Connection Method: Parallel (Up to 8 batteries)
Communication Protocol:
Input/Output Connector: Anderson 350 Connector
Housing Material: Aluminum
Protection Rating: IP65 (Waterproof & Dustproof)
Dimensions: 18.0 x 13.0 x 10.5 inches (457 x 329 x 267.2 mm)
Weight: 112.4 lbs. (51 kg)
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