Sunsynk SUNSYNK-L5.1

SUNSYNK-L5.1

The SUNSYNK-L5.1 is a lithium iron phosphate (LiFePO₄) battery designed for high power, space-efficient installations, and long cycle life. With a 5.12kWh capacity, it supports scalable energy storage by connecting up to 32 units in parallel (163.8kWh total). Its built-in Battery Management System (BMS) ensures safety by monitoring voltage, current, and temperature while protecting against overcharge, over-discharge, and extreme temperatures. Ideal for residential or commercial use, it features a wall-mounted or rack-mount design, low self-discharge (survives 6 months without charging), and remote firmware updates. Environmentally friendly and maintenance-free, it offers quiet operation and high energy efficiency, making it a reliable solution for backup power and energy storage systems.

Sunsynk SUNSYNK-L5.1 Specifications

general

Capacity

5.12 kWh

Usable Energy

4.61 kWh (90% DoD)

Chemistry

Lithium Iron Phosphate (LiFePO₄)

Scalability

Up to 32 units in parallel

Weight

50 kg

Dimensions

440mm (W) × 620mm (H) × 135mm (D)

electrical

Nominal Voltage

51.2 V

Operating Voltage

43.2–57.6 V

Charge Current

Recommended 0.5C (50A), Max 150A (peak for 2 mins)

Discharge Current

Recommended 0.5C (50A), Max 150A (peak for 2 mins)

Communication Ports

CAN2.0, RS485

solar

N/A

environmental

Operating Temperature

Charge: 0°C to +55°C (optional heating: -20°C to +55°C) | Discharge: -20°C to +55°C

Storage Temperature

-20°C to +35°C

Humidity

5%–95% (non-condensing)

Altitude

≤2000m

Ip Rating

IP65

mechanical

Installation

Wall-mounted or 19-inch rack-mount

Cooling

Passive (self-cooling)

compliance

Certifications

IEC62619, CE, UKCA, UN38.3

warranty

Notes

Warranty excludes damage from misuse (e.g., operating in lead-acid mode, improper storage). Contact SUNSYNK for specific terms.

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