High Charge Discharge Efficiency High Efficiency Wres-L-25-015 Home Stackable Battery

Product Description

Product Description

STACKABLE BATTERY& HIGH-CAPACITYMODULAR BATTERY

Our residential energy storage system is a flexible and efficient solution designed for managing household renewable energy across varied home types and power requirements. It comes in both high-voltage (e.g., 800V) and low-voltage (e.g., 48V) versions, ensuring compatibility with different solar and grid configurations.

Featuring a modular design, the system allows easy capacity expansion from 5 kWh to over 30 kWh by adding battery units. For homes with limited space, it offers wall-mount installation to maximize floor area. Supporting solar, grid-tie, and backup operation modes, it achieves over 95% round-trip efficiency and uses long-life LFP batteries with 8,000+ cycles. An integrated smart management system automates energy optimization and peak-load shaving. This system delivers a customizable, space-efficient, and user-friendly energy storage experience for modern households.

Functions

Our home energy storage system is designed as a central hub for household renewable energy management. It integrates multiple practical functions to optimize energy efficiency and ensure a stable power supply for everyday needs.

PV Energy Storage & Self-Consumption
Seamlessly stores surplus electricity generated by rooftop solar panels, reducing grid dependence and maximizing the use of clean energy.
Peak-Valley Energy Arbitrage
Automatically charges during low-tariff hours and discharges during high-tariff periods, significantly lowering household electricity expenses.
Backup Power During Outages
Provides immediate emergency power to essential appliances—such as refrigerators, lighting, and communication devices—ensuring continuity during grid failures.
Smart Monitoring & Remote Control
Enables real-time tracking of energy generation, storage, and consumption via a mobile app, with remote control over operation modes for personalized energy management.
Together, these functions deliver an efficient, cost-effective, and reliable energy experience for modern households.

Specification

Product Name	WRES-L-25-014	WRES-L-25-021
Total Energy (kWh)	13.82	20.73
Usable Energy (kWh)	12.99	19.48
Nominal Voltage (Vd.c)	51.2	51.2
Voltage Range (Vd.c)	44.8-57.6	44.8-57.6
Rated Capacity (Ah)	270	405
Max.Current (Charge)	200A	300A
Max.Current (Discharge)	200A	300A
Recommend Using DOD	90%	90%
BMS Features	Over-voltage & Over-current Protection Short-circuit Protection Low-voltage Protection Over Temperature Protection/Cell Balance	Over-voltage & Over-current Protection Short-circuit Protection Low-voltage Protection Over Temperature Protection/CellBalance
Standard Features	Bluetooth/Button-Controlled Screen (Wall-mountedtype)	Bluetooth/Button-Controlled Screen (Wall-mountedtype)
Dimension (W*H*D) (mm)	660*404*450	660*556*450
Weight (KG)	138	202
Installation Type	Wall-Mounted&Stackable	Wall-Mounted&Stackable
Communication	CAN/RS485	CAN/RS485
Storage Temperature	-20*C-55℃℃(-4°F-131°F)	-20*C-55℃℃ (-4°F-131°F)
IP Rating	IP20	IP20
CoolingType	Natural	Natural
Operating Environment	Indoor(5%-95%(RH} No Condensing)	Indoor (5%-95%(RH} No Condensing)
Altitude	≤2000m	≤2000m
OperationLife	15+years (25℃/77°F)	15+years (25℃/77°F)

Functional Advantages

Residential energy storage (RES) systems offer compelling benefits for homeowners, blending economic value, energy security, and environmental responsibility.

By integrating with solar panels or grid power, they enable self-consumption of renewable energy, reducing reliance on utility grids and lowering electricity bills through peak-valley tariff arbitrage.

In regions prone to blackouts or unstable power supply, RES serves as a reliable backup power source, ensuring the uninterrupted operation of critical appliances like refrigerators, medical devices, and communication tools.

This energy independence enhances household resilience against grid failures and energy price fluctuations.

Environmentally, RES promotes the adoption of clean energy by storing excess solar power that would otherwise be fed back to the grid, reducing carbon emissions and supporting global sustainability goals.

It also alleviates grid pressure by shifting energy usage from peak to off-peak hours, contributing to grid stability and efficiency.

Additionally, modern RES solutions feature compact designs, easy installation, and intelligent monitoring via mobile apps, offering user-friendly operation and real-time energy management. 

As a long-term investment, they increase property value and provide a hedge against rising energy costs, delivering both immediate savings and long-term returns.

For homeowners seeking cost-effective, reliable, and eco-friendly energy solutions, residential energy storage is an increasingly indispensable choice.

Core Applications

Our home energy storage system boasts multiple core advantages, providing households with an efficient, economical, and reliable energy solution that stands out in practicality and user value.

Firstly, it delivers significant economic benefits: By storing surplus photovoltaic power and leveraging peak-valley tariff differences, it minimizes reliance on grid electricity during high-tariff periods, drastically reducing monthly electricity bills. Secondly, it ensures a stable power supply: As a reliable emergency backup, it automatically switches to off-grid mode during power outages, safeguarding the operation of critical household appliances and avoiding disruptions to daily life.

Moreover, it supports clean energy utilization, maximizing the consumption of self-generated solar energy and reducing carbon emissions, aligning with low-carbon living concepts. Additionally, it features intelligent convenience—users can remotely monitor and control energy flow via a mobile App for personalized management. 

With flexible compatibility for both high and low-voltage configurations and scalable capacity, it adapts to diverse household needs, making it a versatile choice for different living scenarios.

Transportation

We provide reliable, transparent, and secure transportation services tailored to our core products: residential and C&I energy storage systems, and EV chargers. From dispatch to delivery, we ensure professional handling and safe, on-time arrival.
 
Full-Process Tracking: Immediate tracking number and real-time updates via a dedicated platform allow full visibility of shipment status, location, milestones, and estimated delivery time.
 
Custom Protective Packaging: Products are packed with reinforced, shockproof, moisture-resistant, and anti-collision materials. Large C&I units and high-power EV chargers are secured in sturdy wooden crates or steel frames for transit protection.
 
Rapid Issue Resolution: In case of transport-related damage, we encourage immediate photo documentation of the packaging, product, and waybill. Our customer service team activates a quick-response process to verify and coordinate solutions—such as replacement, repair, or compensation—with minimal delay.
 
With our end-to-end logistics support, you can count on secure and efficient delivery, helping ensure the success of your energy projects.

FAQ

Q1.Who are we?
A: Founded in December 2010, we are one of China's earliest enterprises engaged in the production and R&D of cathode materials for new energy batteries, consistently ranking among the industry's top tier for years.

Q2.What do we do?
A: We primarily produce cathode materials and their precursors for lithium-ion power batteries and energy storage batteries, photovoltaic modules, power batteries, energy storage integration systems, and charging pile products.

Q3.What are the advantages of our production line?
A: State-of-the-art fully automated production line & core processes utilize American IPG lasers and German Blackbird galvanometers to form China's most advanced laser welding system & integrated MES production management system in the workshop tracks real-time data throughout the entire production process, with a comprehensive traceability system ensuring product quality.

Q4. What are our technological innovations and R&D investments?
A: CNAS laboratory accreditation certificate & German Zeiss scanning electron microscope & Agilent ICP & Japanese RIKEN XRD & McBath surface area analyzer

Q5. What is the company's vision?
A: To lead industry development through technological innovation, establish a model for green, circular, and low-carbon practices, and become a global leader in new energy materials.

Q6. How many production lines does our company have?
A: Our charging station factory currently operates two DC charging station production lines and one AC charging station production line. We are capable of mass-producing 7kW AC charging stations, 20-40kW low-power DC charging stations, 60-240kW integrated DC charging stations, 360-800kW split-type air-cooled DC charging stations, and 360-800kW fully liquid-cooled superchargers.

Q7. What is our annual production capacity?
A: We can meet the production capacity of 10,000 DC charging stations and 100,000 AC charging stations per year.

Q8. As a cathode material supplier, who are our partners?
A: CATL, BYD, Ganfeng Lithium, Jiewei Power, A123 SYSTEMS, Chunen, VREMT, BATTERO TECH.

Q9. Where are our overseas warehouses located?
A: Europe (France, Poland), Australia, Central Asia, Africa, and other regions.

Q10. What does our after-sales service entail?
A: We respond immediately to customer fault reports, provide remote technical support, activate emergency plans for unforeseen incidents, offer 24/7 after-sales service, and conduct regular customer satisfaction surveys.

Q11. What are the advantages of our battery cells?
A: Our owner's other company ranks among the top three suppliers of key cathode materials for new energy batteries, serving leading manufacturers like BYD and CATL. Leveraging this upstream integration, we reduce intermediary costs—our products are 5-10% cheaper than competitors.

Q12. How are our modules constructed?
A: Multiple cells are integrated through series-parallel connections, paired with structural frames, busbars, flexible printed circuits (FPC), and temperature sensors to accommodate customized solutions for diverse clients.

Q13. What application scenarios do our products serve?
A: Integrated solar-storage-charging systems; peak-valley electricity arbitrage; backup power supply; emergency support; low-temperature environments.

Q14. What product categories do we offer?
A: High-voltage stacked residential storage battery packs; Low-voltage stacked residential storage battery packs; Wall-mounted low-voltage residential energy storage; Low-voltage floor-standing residential storage battery packs.

Q15. How do you choose grid-connected/off-grid systems?
A:(1) If you have stable grid access in urban/rural areas (prioritize grid-connected storage)
    (2) If you are in areas without grid coverage (e.g., remote villages, outdoor camps), off-grid storage is the only option.
    (3). If you experience unstable grid power with frequent outages (prioritize "grid-tied storage with off-grid switching capability")

Q17. Are Wanrun batteries compatible with my existing solar inverter?
A: Wanrun batteries offer high compatibility with various solar inverters. They utilize RS485, CAN, or RS232 communication protocols, supported by most major inverter brands (e.g., SMA, Growatt, Solax, Victron, Deye).

If you already own a solar inverter, it's always advisable to confirm the specific model's communication protocol before finalizing your purchase.

Q18. What is the lifespan of Wanrun batteries?
A: Lithium iron phosphate batteries typically offer 6,000-8,000 charge cycles (equivalent to 10-15 years of daily use). Actual lifespan varies based on usage patterns, temperature conditions, and maintenance practices.

Q19. Are Wanrun batteries suitable for solar systems?
A: Absolutely. Wanrun batteries are specifically designed for seamless integration with solar systems. They are well-suited for use with photovoltaic (PV) solar arrays in residential, commercial, and industrial applications. These batteries enable users to store solar energy generated during daylight hours for use at night or on cloudy days. They are also compatible with hybrid inverters, which manage both solar and grid power simultaneously, offering flexibility for various configurations.

Q20. Do Wanrun batteries include protective features?
A: Yes, Wanrun batteries come equipped with a comprehensive Battery Management System (BMS) offering multiple protective functions to ensure safe operation. These include overcharge protection, over-discharge protection, short-circuit protection, temperature monitoring, and overcurrent protection.

Q21. How can I monitor Wanrun battery performance?
A: Wanrun provides a cloud-based monitoring platform via App and Web. You can track real-time battery performance, monitor charging/discharging status, and gain insights into battery health and efficiency through the platform.

Q22. Does installing Wanrun batteries require specialized knowledge?
A: Yes, installing Wanrun batteries requires specialized knowledge. It is essential to hire certified professionals for installation to ensure it is performed safely and correctly, especially when integrating with solar systems or other electrical equipment.

Q23. Can you elaborate on the functionality of the EMS tools?
A: Our EMS tools provide a comprehensive overview of your system's performance. They display current operational status, real-time power metrics, and daily/cumulative energy data. Additionally, these tools support convenient configuration of various system parameters, ensuring a seamless experience when monitoring and managing your energy system.

Q24.Are you a sales company or a source factory?  
A: As a formal source factory with standardized production processes, we can offer both the most competitive prices and top-quality products.

Q25.How can we contact your company for detailed quotations?

A: Simply contact the store staff online directly via the website—they will promptly provide you with a detailed quotation.

Q26.How do you ensure production and delivery timelines?  
A: Equipped with a comprehensive production line and proficient technical personnel, we are capable of guaranteeing both the stable production and on-time delivery of products.