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Lithium Battery

Stackable 10kwh 5kwh Lithium Battery 51.2V 200Ah 100Ah Lifepo4 Solar Battery

Stackable 10kwh 5kwh Lithium Battery 51.2V 200Ah 100Ah Lifepo4 Solar Battery

Sail Solar Stackable Lithium Iron Phosphate Battery (LiFePO4) 51.2v 100ah/ 200ah is a solar energy storage battery designed for residential energy storage, providing reliable energy management and good performance.

  • Item No :

    51.2V 100Ah/200Ah
  • Battery Type :

    Lithium Ion/ Lifepo4 Battery
  • Brand :

    Sail Solar
  • Nominal Voltage :

    51.2V
  • Nominal Capacity :

    100Ah/200Ah
  • Warranty :

    10 years
  • Certificate :

    CE/IEC/UL/UN38.3/MSDS
  • Communication :

    RS232/RS485/CAN/BLUEBOOTH/WIFI

This stackable battery delivers over 6000 cycles at 90% DOD with a 10-year design life, supports most 48V(40V-60V) inverters, and adopts a high-efficiency DC-coupled solution. An intelligent BMS provides comprehensive protection,which allows flexible system expansion.

 Stack Lithium Battery

Specification

 

MODEL

51.2V 100AH/200AH

Battery Type

LiFePO4

Nominal Voltage

51.2V

Nominal Capacity

100Ah/ 200Ah

Energy

5.12KWh/ 10.24KWh

Cycle Life

6000 Cycles @ 0.5C 90%D.O.D

Charge Voltage

56V

Max Charge Current

100A/200A(Optional)

Charge Cut-off Voltage

58.4V

Max Discharge Current

100A/200A (Optional)

Discharge Cut-off Voltage

43.2V

Charge Temperature

0℃ to 55℃@60±25% Relative Humidity

Discharge Temperature

-20℃ to 55℃@60±25% Relative Humidity

Storage Temperature

-20℃ to 55℃@60±25% Relative Humidity

Protection Grade

IP20 (IP54 OPTIONAL)

Cell & Method

EVE 3.2V100Ah

Case Material

Metal

Protocol(Optional)

RS232/RS485/CAN/BLUETOOTH/WIFI

Case Type

Mobile Power

Size (mm)

453*288*760(D*W*H)

Net Weight (kg)

90.6KG

Pack Certificates
UN38.3, MSDS
Cell Certificates
UN38.3, MSDS, IEC62619, CE, UL1973

 

Application

 

SAIL SOLAR ESS – Stackable Low Voltage Lithium Battery

Key Features:

51.2V System Voltage – 51.2V LiFePO4 battery for solar storage, available in 100Ah or 200Ah options to match different household energy needs.

Stable Performance – 5kwh/10kwh lithium battery with BMS, which can ensure consistent output across a wide temperature range with low self‑discharge rate.

Easy & Flexible Installation – Ground stacking design allows tool‑free module addition. Parallel connection between units.

Safe & Reliable – Built with LiFePO₄ cells and multi‑layer protection (over‑charge, over‑discharge, short circuit, over‑temp).

Modular Design – Start from 5kWh/10KWH and stack up to 30kWh/50KWH. Add capacity anytime without system redesign.

Smart Monitoring – Remote access via app. Real‑time data on voltage, current, temperature, and state of charge.

 

 

 

 

System Wiring Connection 

 

1. Seamless Hybrid System Integration

This 51.2V 100Ah/ 200Ah lithium battery works well with hybrid inverters, enabling a fully connected solar system. It stores excess energy from your PV array, supports grid-tied use with net metering, and keeps critical loads powered even during outages.

2. Full Home Backup & Load Prioritization

Designed to protect what matters most, the battery powers critical loads like lights, refrigerators, and communication devices during blackouts. When paired with a hybrid inverter, it intelligently manages power distribution between smart loads and non-essential devices, ensuring your home stays operational.

3. Multi-Source Compatibility for Maximum Flexibility

Connect it with solar panels, the utility grid, or a backup generator to build your ideal power setup. The battery stores solar energy for daytime use, pulls power from the grid when needed, and even charges via a generator for off-grid situations. This multi-source compatibility eliminates reliance on a single power input, giving you ultimate control over your energy.

 

Wide Compatibility for Different Brands Inverter

The stackable 51.2v lifepo4 battery delivers safe, stable, and reliable power for a wide array of equipment. Designed for scalability, it supports both capacity and power expansion via multiple parallel connections, effortlessly meeting growing energy needs.

With integrated CAN, RS485, and RS232 communication protocols, it ensures seamless compatibility and control with major PV inverter systems.

Engineered with robust construction and advanced technology, this battery is the ideal energy storage solution for residential, commercial, and industrial applications that demand dependable power and superior efficiency.

Questions&Answers

 

Q1: What is the battery's cycle life? If used daily, will the capacity decrease significantly after a few years?

A1: Under standard design conditions (25℃ environment, 0.5C charge/discharge, 80% depth of discharge), our cells can maintain over 70% usable capacity after 6000 cycles.

Based on a typical household use of one full charge/discharge cycle per day, this equates to over 16 years.

In normal household use, deep cycling is not common every day, so the lifespan will be even longer.

Additionally, the system includes a built-in BMS (Battery Management System) to prevent overcharging, over-discharging, and overheating, effectively slowing down degradation.

 

Q2: Can this battery be used with an existing solar inverter? Or is it necessary to use your inverter?

A2: It has excellent compatibility. SAIL SOLAR ESS supports high-voltage battery communication protocols (such as CAN/RS485) and can be used with mainstream hybrid inverters on the market (such as GoodWe, Growatt, Solis, Deye, Solax, etc.).

However, we recommend providing the model of your existing inverter before purchasing.

We will provide a clear compatibility wiring diagram and parameter configuration.

 

Q3: Is the battery covered by warranty? What happens if it malfunctions after a few years?

A3: We offer a 10-year product warranty (details to be written in the contract).

First 3 years: Full warranty on the entire device (including round-trip shipping and on-site service).

4-10 years: Warranty based on remaining cycle life. If the capacity decreases to below 70% (excluding human-caused damage), the faulty module will be replaced free of charge.

 

After-Sales Service

" 7/24 " After-Sales Support

7 days a week, 24 hours a day: Ready to respond and solve problems immediately—Sail Solar's commitment to worry-free after-sales service.

Service Email: info@sailsolaress.com


Service Process

01

Submit Service Requests

Submit your service requests at any time via email, online customer service, or mobile app.

02

Rapid Response

Our service team will immediately respond to your requests and communicate the details of the issue with you.

03

On-Site Service or Remote Support

Depending on the nature of the problem, provide on-site service or remote technical support.

04

Problem Resolution

Our goal is to completely resolve your issue within 24 hours.

05

Follow-Up

After the problem is resolved, our team will continue to follow up to ensure your satisfaction with the service results.

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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