High Voltage Stackable LiFePO4 Battery | 5kWh-40kWh Modular Home Energy Storage System

Product Features

5kWh-40kWh Flexible Capacity Expansion
High Voltage Stackable Design for Solar Systems
6000+ Cycles with 10+ Years Lifespan
OEM/ODM Customization Available
7-15 Days Sample Delivery, 15-30 Days Bulk Delivery
CE/IEC/UN38.3/MSDS Certified

Product Overview

High Voltage Stackable LiFePO4 Battery is a high-performance DC energy storage system designed for modern residential solar energy storage applications. Covering a wide operating voltage range from 102.4V to 819.2V, this modular battery system adopts a standardized stackable architecture, combining intelligent controllers and battery modules to achieve efficient high-voltage operation.

With a scalable capacity range from 5kWh to 40kWh, the Stackable Home Energy Storage Battery allows homeowners to select the right configuration based on actual electricity consumption. From compact residential solar storage systems to larger home backup power solutions, users can easily expand capacity through additional battery modules for flexible, future-ready energy upgrades.

The system supports high-voltage single-phase and three-phase hybrid inverters, making it suitable for solar self-consumption, peak shaving, and backup power applications. Equipped with an intelligent Battery Management System (BMS) and compatible with high-performance PCS (Power Conversion System), it ensures safe, stable, and efficient energy management.

Featuring premium-grade Lithium Iron Phosphate (LiFePO4) battery cells and a modular stackable design, Anengji high voltage home battery storage system provides easy installation, flexible expansion, and reliable performance, making it an ideal solution for residential users and small commercial energy storage projects.

Key Features & Benefits

High Safety LiFePO4 Battery Technology

Using premium Lithium Iron Phosphate (LiFePO4) cells, the system integrates an intelligent BMS with multiple protection functions, including overcharge, over-discharge, over-current, short circuit, over-temperature, low-temperature protection, and thermal runaway warning, ensuring safety from cell level to system level.

Long Cycle Life Energy Storage Solution

With ≥6000 cycles at 80% depth of discharge (DOD) and a designed lifespan of over 10 years, this high voltage solar battery significantly reduces lifecycle energy costs and provides reliable long-term value.

Flexible 5kWh-40kWh Capacity Configuration

The modular energy storage system supports capacity expansion from 5kWh to 40kWh. Users can select the required battery capacity according to household energy needs and upgrade the system anytime without major additional investment.

Modular Stackable Battery Design

The standardized stackable structure enables quick installation, simple module connection, and flexible system expansion. The plug-and-play design reduces installation complexity, labor costs, and commissioning time.

Smart BMS & Energy Management System

Integrated with an intelligent Battery Management System (BMS) and Energy Management System (EMS), the battery supports remote monitoring and OTA upgrades. Users can check system status through a mobile APP for smarter energy management.

Wide Operating Temperature Range

Designed for reliable operation in various environments, the system supports a working temperature range from -20℃ to 55℃, making it suitable for both indoor and outdoor residential energy storage installations.

High Voltage Inverter Compatibility

Compatible with mainstream high-voltage hybrid inverter brands, the system works with advanced PCS solutions to support solar self-consumption, peak shaving, and backup power operation modes.

International Certifications Compliance

Certified with IEC62619, CE, UN38.3, and MSDS, meeting international standards for transportation, installation, and global residential energy storage markets.

Application Scenarios

Residential Solar Self-Consumption

Stores excess solar energy generated during the day and supplies power at night or during peak demand periods, improving solar utilization and reducing electricity costs.

Peak Shaving & Energy Cost Management

Charges during low electricity price periods and discharges during peak tariff periods, helping users optimize energy costs through time-of-use electricity management.

Home Backup Power System

Automatically switches to battery power during grid outages, maintaining operation of essential household loads such as lighting, refrigerators, internet equipment, and other critical appliances.

Off-grid & Microgrid Energy Storage

Suitable for remote areas, islands, farms, and locations without reliable grid access, helping build independent and sustainable renewable energy systems.

Small Commercial Energy Storage Applications

Provides peak shaving, demand management, and emergency backup power for small factories, offices, retail stores, and other commercial facilities to reduce operating costs.

OEM/ODM Customization Services

Bulk Order Support
The standard minimum order quantity (MOQ) starts from 2 units, supporting sample orders for product testing, quality verification, and market evaluation.

OEM/ODM Customization Service
We provide comprehensive OEM/ODM lithium battery solutions for global distributors and brand customers, including logo printing on batteries and packaging, customized labels, parameter adjustments, and customized enclosure designs.

Flexible Payment Terms
Standard payment terms: 30% T/T deposit and 70% balance before shipment. Long-term partners can negotiate customized payment solutions based on cooperation requirements.

Warranty & After-Sales Service

Warranty Period:
12 months from the shipment date.

Warranty Coverage:
Covers manufacturing defects and material quality issues under normal operating conditions.

Not Covered:
Damage caused by improper operation, incorrect wiring, overload, unauthorized modification, accidents, or unsuitable installation environments.

Service Commitment:
AnengJI provides lifetime technical support and professional after-sales service. For any product quality issues, our technical team will respond within 24 hours and provide effective solutions.

Contact AnengJI today for pricing, datasheets, and sample testing of our LiFePO4 rack mount battery solutions.

Specifications

Model	THS5	THS10	THS15	THS20	THS25	THS30	THS35	THS40
Nominal Voltage (V)	102.4	204.8	307.2	409.6	512	614.4	716.8	819.2
Rated Capacity (Ah)	50
Rated Energy (kWh)	5.12	10.24	15.36	20.48	25.6	30.72	35.84	40.96
Discharge Cut-off Voltage (V)	≤92.8	≤185.6	≤278.4	≤371.2	≤464	≤556.8	≤649.6	≤742.4
Max. Charge / Discharge Current (A)	50
System Dimensions (mm)	788×388×474	788×388×621	788×388×768	788×388×913	788×388×1058	788×388×1203	788×388×1350	788×388×1497
System Weight (kg)	75	125	175	225	275	325	375	425
Round-trip Efficiency	95%
Design Life (25℃)	10 Years
Cycle Life	≥6000 Cycles (90% DOD, 25℃)
Operating Temperature	Charge: 0℃~55℃; Discharge: -20℃~60℃
Storage Temperature	≤3 Months: -10℃~45℃; ≤6 Months: -10℃~35℃; ≥1 Year: 0℃~25℃
IP Rating	IP20
Protection Class	I

Product FAQs

What is a High Voltage Stackable LiFePO4 Battery?

A High Voltage Stackable LiFePO4 Battery is a modular home energy storage solution that combines multiple battery modules in series to achieve higher voltage operation and flexible capacity expansion.

What capacity options are available for this stackable solar battery?

This high voltage stackable LiFePO4 battery supports flexible configurations from 5kWh to 40kWh, allowing homeowners to select the right capacity according to their energy requirements.

Can this battery work with solar hybrid inverters?

Yes. The system is compatible with mainstream high voltage hybrid inverters and supports solar self-consumption, backup power, and energy management applications.

How long is the lifespan of this LiFePO4 home battery?

The battery provides more than 6000 cycles at 80% DOD and offers a designed service life of over 10 years under proper operating conditions.

Do you provide OEM/ODM services for stackable lithium batteries?

Yes. Anengji provides OEM/ODM customization services including branding, packaging, labels, and product configuration adjustments.

LiFePO4 Home Energy Storage Related Resources

Talk to a Charging Expert

We’re here to help you build a more efficient and resilient energy future—without unnecessary operating costs. Every battery energy storage system we deliver meets strict international standards, including CE, CB, TUV, UL, IEC, and RoHS. Safe, stable, and engineered for long-term performance.

Our energy storage specialists work with you to design the right C&I BESS solution for your project. Whether you’re deploying storage for factories, commercial buildings, EV charging hubs, microgrids, or solar-plus-storage systems, we support you through system sizing, energy strategy planning, and deployment options.

Have questions? Contact us by phone or email, or simply fill out the form on the right. Our team will respond within 24 hours with free professional consultation and technical support.

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AnengJI Power Company is a leading Chinese manufacturer of EV charging systems and Commercial & Industrial (C&I) Energy Storage, Anengji provides a full range of AC/DC chargers and modular BESS for fleets, hospitality, OEMs, government agencies, hospitals, and commercial parking. With a robust footprint across North America, Southeast Asia, Central Asia, and Russia, we empower global clients with high-reliability, intelligent energy infrastructure to accelerate efficiency and the green energy transition.