Low Voltage Floor-Standing Energy Storage Battery

Grade A LFP(lithium iron phosphate) cells to ensure safety and performance

LFP (lithium iron phosphate) cell to ensure the highest safety

Product Details

Watt Low Voltage Rack-Mounted Energy Storage Battery

The Watt Low Voltage Floor-Standing Energy Storage Battery is a high-capacity, lithium iron phosphate (LFP) energy storage solution designed for residential and light commercial solar systems. Built for long service life, safety, and modular scalability, it enables reliable energy storage for day-and-night self-consumption and backup power needs.

Key Highlights

  • Grade-A LFP Cells – Enhanced safety, thermal stability, and long lifespan

  • Long Cycle Life – Up to 8,000 cycles at 80% Depth of Discharge

  • Low Voltage Architecture – Ideal for residential solar + inverter systems

  • High Energy Density – Supports higher capacity with minimal space usage

  • Modular & Scalable – Parallel connection supported for future expansion

Smart Energy Benefits

  • Maximizes solar self-consumption and reduces grid dependency

  • Ensures uninterrupted power during outages

  • Cost-efficient, eco-friendly, and low maintenance

  • Suitable for indoor installations with compact floor-standing design

Built-In Safety & Intelligence

  • Advanced Battery Management System (BMS)

  • Real-time protection against over-voltage, over-current, temperature, and SoC imbalance

  • Wi-Fi & Bluetooth monitoring for system visibility and control

Applications

  • Residential solar energy storage

  • Villas, apartments, and gated communities

  • Small commercial or hybrid solar systems

  • Backup power for essential household loads

Installation

  • Floor-standing or wall-mounted options

  • Compatible with most low-voltage hybrid and off-grid inverters

General Information
Rated Voltage 51.2Vdc
Rated Capacity 280Ah 300Ah
Rated Energy 14.33kWh 15.36kWh
Output Voltage Range 44.8V – 57.6V
Charging Voltage (MAX) 58.4V
Cut-Off Voltage 40V
IP Rating IP52
Recommended Charging Current 56A 60A
Max. Discharging Current 200A
Efficiency (Round Trip) ≥98%
Physical Information
Dimensions (L × W × H) 819 × 416 × 244 mm
Weight ≈120 kg ≈122 kg
Humidity 5% – 95% Relative Humidity
Charging Temperature 0°C – 55°C
Discharging Temperature -20°C – 55°C
Storage Temperature -10°C – 30°C
Cycle Life (0.2C, @25°C, 80% DoD) ≥8000 Times
Design Life ≥20 Years
Mounting Options Wall or Floor