The SAIL SOLAR 51.2V 100Ah Low Voltage Stackable Lithium Battery is a reliable and flexible energy storage solution designed for residential and small commercial solar systems. Built with high-quality LiFePO4 cells, it offers enhanced safety, long cycle life, and stable performance.
Featuring a stackable design with an integrated support frame, the battery can be installed quickly without the need for additional racks, reducing installation costs and saving space. The modular structure allows easy capacity expansion according to future energy demands.
Brand Name :
SAIL SOLARType :
LiFePo4Rated Voltage :
51.2VBattery Capacity :
5.12KWHNumber of Cycles :
>6000 Cycles @0.2C 80%DoDEfficiency of Charge :
100% @0.2CEfficiency of Discharge :
96~99% @1CCommunication :
RS485/RS232/CANColor&OEM :
White or customizedWarranty :
5 Years
SAIL SOLAR stackable lithium batteries provide a safe, scalable, and cost-effective energy storage solution for maximizing solar self-consumption and ensuring a reliable power supply.
-51.2V 100Ah (5.12kWh) capacity
-Premium LiFePO4 battery technology
-Stackable design with built-in support frame
-No additional rack required
-Easy installation and maintenance
-Long service life with over 6000 cycles
-Intelligent BMS protection system
-Compatible with most mainstream low-voltage hybrid inverters
-Suitable for residential, backup power, and off-grid solar applications

The front panel of the SAIL SOLAR 51.2V 100Ah Stackable Lithium Battery is designed for easy installation, operation, and maintenance. It integrates power terminals, communication interfaces, status indicators, and safety controls in a compact layout.
Component Description
1 B+ Positive Terminal – Battery positive power connection.
2 B- Negative Terminal – Battery negative power connection.
3 Reset Button – Used to reset the battery management system (BMS).
4 ID Switch – Address setting switch for parallel battery operation.
5 Dry Contact Interface – Alarm and control signal output.
6 RS485 Communication Port – Communication with inverter or EMS.
7 CAN Communication Port – CAN bus communication with compatible inverters.
8 Debug Port – For system configuration and maintenance.
9 Parallel Communication Port (OUT) – Connection to the next battery module.
10 Power Indicator – Displays battery power status.
11 SOC Indicator LEDs – Indicates battery state of charge.
12 Grounding Terminal – Protective grounding connection.
13 Battery ON/OFF Button – Enables or disables battery output.
14 DC Circuit Breaker / Main Switch – Main battery protection and isolation switch.
15 RUN & ALARM Indicators – Operating status and fault indication.

The SAIL SOLAR 51.2V 100Ah Stackable Lithium Battery is designed to work seamlessly with low-voltage hybrid inverters, providing reliable energy storage for residential and small commercial solar applications.
In this configuration, the solar panels generate DC power and supply energy to the inverter. The inverter manages power flow between the photovoltaic system, battery storage, utility grid, and electrical loads.
During the daytime, solar energy can directly power the loads while simultaneously charging the battery. When solar generation is insufficient or unavailable, the battery supplies stored energy to the loads through the inverter. If necessary, the utility grid can provide additional power and recharge the battery according to system settings.
Certification

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