LiFePO4 51.2V 206ah 10.5kwh All-in-One Inverter Solar Home Energy System Lithium Battery

Product Description

JUST LFP All-in-one 51.2V206Ah Lithium Ion Battery

This battery is for home energy storage and solar power systems.Adopted high-density NMC lithium battery cells and built-in intelligent BMS, it achieves up to 6000 cycle life and comes with a 5-year warranty.Featured with space-saving wall-mounted structure, plug-and-play design, easy installation and maintenance.It supports CAN/RS485/RS232 communication, real-time battery status monitoring via smartphone and PC, with a built-in LCD screen for instant data check.Fully certified with IEC62619 and UN38.3, it is safe, reliable and perfectly compatible with most 24V hybrid inverters, ideal for home solar storage, off-grid power and emergency backup power supply.

Product Info

Key Configurations

Model: 51.2V 206ah

Size: 520*281*850mm

Cycle Life: 6000

Cell Chemistry: LFP

Nominal Energy (wh): 10240

Nominal Capacity (Ah): 200

Nominal Voltage (V): 51.2

Working Voltage Range (VDC): 40~58.4

Max.Charge/Discharge Current (A):200A

BMS Communication: CAN2.0/RS485

Certification: IEC62619/EN61000-6-1/EN61000-3/ROHS/UN38.3

Applications

Home Solar Energy Storage System

Residential Off-Grid Power Supply

UPS Emergency Backup PowerUPS 

RV & Caravan Power System

Marine & Yacht Power Supply

Villa & Household Energy Backup

Small Commercial Energy Storage

Telecom Base Station Backup Power

Outdoor & Remote Area Power Supply

24V Hybrid Inverter Matching System

Key Features

Premium NMC lithium cell, high energy density, compact size

Built-in smart BMS, multiple protection & cell balance

Up to 6000 long cycle life, 5-year warranty support

Wall-mounted design, space-saving and easy installation

LCD screen display, real-time battery data viewing

Remote monitoring & control via mobile phone and computer

CAN/RS485/RS232 multi-communication protocol

Plug-and-play, compatible with most 24V hybrid inverters

Strict IEC62619 & UN38.3 certification, high safety and reliability

Suitable for home solar energy storage, off-grid and UPS backup power

Technical Specifications

Item	JUST LFP All-in-one 51.2V206Ah Lithium Ion Battery
Rated Capacity	200AH
Nominal Voltage	51.2v
Size	520*281*850mm
Type	Lithium Ion
Separator	PE Seperator
Brand Name	your own-brand name available
Flame Retardant Container	PP
Own Brand	Largestar, TNT, Booster,Just
Applications	Home Solar Energy System
Certificate	ISO9001, ISO14001, CE, SASO, SONCAP etc
Dimension	Custom-made Special Dimension
(Custom configurations available upon request.)

Why Choose Us

Our Battery Advantage

Our Advantage

-Calcium-Calcium technology
-Extra long service life
-Better resistance to vibrations
-Reliable and safe performance
-Maintenance-free, leakage and spill proof
-Excellent starting performance at cold temperatures
-Low self-discharge and water consumption

-Battery factory since 1979
-Over 100,000m² manufacturing area ,capability of 3,000,000 pcs/year, value of 80,000,000USD.
-Certificate of ISO9001:2000,ISO14001,ISO/TS16949, SGS,CE,ROHS, SONCAP, Green Production Enterprise

After Sales Service

Standard Warranty: 12 months

About us

Zhejiang Just Electrical Appliances Co.,Ltd.

Founded in 1979, Zhejiang Just Electrical Appliances is a leading Chinese lead-acid battery manufacturer, originating from a state-owned plant in Hangzhou and now one of the country's largest private battery producers. With a 100,000 square meters factory, we have an annual capacity of 5 million batteries and an annual output value of USD 150 million. Supported by advanced equipment, professional technicians and experienced management, our products hold certifications including ISO9001, ISO14001, IATF16949, CE, RoHS and SONCAP. We offer a full range of high-quality dry charged and MF lead-acid batteries for automotive, marine, backup power and various industrial applications.

Packing & Delivery

FAQ

1. Order & Trade Terms
Q: What are your payment terms?
A: 30% deposit in advance; 70% balance against copy of Bill of Lading. We will send photos of products and packages before balance payment.
 
Q: What are your delivery terms and time?
A: Delivery terms: EXW, FOB, CIF, CFR.General lead time: 35 days.
 
Q: Can you accept OEM or custom production?
A: Yes. We can print your logo on the battery case, and produce based on your samples or technical drawings.
 
2. Product Range & Specifications
Q: What types of batteries do you supply?
A: We provide a full range of lead-acid batteries:
2V: 100Ah – 3000Ah
4V: 0.25Ah – 4.5Ah
6V: 1.3Ah – 12Ah
12V: 0.8Ah – 250Ah
 
Q: What is the operating temperature range?
A:
Discharge: -15°C ~ 40°C
Charge: 0°C ~ 40°C
Storage: -15°C ~ 40°C
 
Q: What is the service life of your batteries?
A: Around 5 years under normal usage.
 
3. Quality Control & Warranty
Q: Do you test all products before delivery?
A: Yes, 100% full inspection before shipment.
 
Q: What are the signs of a faulty battery?
A: Poor performance, low voltage, failure to charge, swollen case, or acid corrosion.
 
Q: How to judge whether a battery is good or defective?
A: First check for obvious defects such as open circuit, short circuit, or damaged casing. If no external issues, test battery capacity with professional equipment.
 
Q: What causes zero voltage?
A: Usually caused by open circuit, such as broken electrode column, poor partition welding, or defective terminal welding.
 
Q: What is your warranty policy for defective batteries?
A: Please provide photos and details of the defective units. Once confirmed, we will send replacements in your next order.
 
4. Operation & Maintenance
Q: How to maintain the battery?
A: Store in a clean, dry, ventilated and dark environment. Keep fully charged when not in use, and recharge every 3–6 months.

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