10kWh Residential Wall-Mounted LFP Battery Storage System

The SOLARTODO 10kWh Residential Stack LFP is an advanced energy storage system (ESS) engineered to provide homeowners with energy independence, economic savings, and reliable backup power. At its core, the system utilizes Lithium Iron Phosphate (LFP/LiFePO4) battery chemistry, a technology renowned for its safety, longevity, and thermal stability, making it the ideal choice for residential applications. According to the U.S. National Renewable Energy Laboratory (NREL), an energy storage system is defined as a device that converts electricity into a stored form of energy and then converts it back to electricity when needed. This 10kWh unit is specifically designed for seamless integration with rooftop solar photovoltaic (PV) systems, enabling homeowners to store excess solar energy generated during the day for use during evening peak hours or grid outages.

The system comprises a 10.24 kWh battery module, an integrated Battery Management System (BMS), and is designed to pair with a 5 kW hybrid inverter. The BMS is the intelligent core of the battery, continuously monitoring cell voltage, current, and temperature to ensure safe and optimal operation. It performs cell balancing to maximize capacity utilization and protects the battery from overcharge, over-discharge, and thermal events. The stackable, wall-mounted design offers a space-efficient footprint suitable for typical garage or utility room installations. With a minimum order quantity (MOQ) of 10 units, this solution is tailored for distributors, solar installers, and real estate developers aiming to deploy high-performance energy storage solutions at scale.

The technical performance of this system is governed by precise parameters that ensure reliability, efficiency, and a long operational lifespan. The 10.24 kWh energy capacity provides ample storage for a typical household's evening consumption. The 5 kW continuous power rating can handle most household loads simultaneously, while a 10 kW peak power capability allows for starting heavy appliances like air conditioners or well pumps. The LFP chemistry delivers a cycle life of over 6,000 cycles at 90% Depth of Discharge (DoD), which translates to approximately 15-20 years of daily cycling. The round-trip efficiency of 95% or greater, measured according to IEC 61427-2 standards, ensures minimal energy loss during the charge-discharge process.

The primary application of the 10kWh Residential Stack LFP is to enhance the value of a solar PV system through self-consumption and time-of-use (TOU) arbitrage. Solar self-consumption allows homeowners to store surplus solar energy that would otherwise be exported to the grid for low feed-in tariffs. This stored energy is then used in the evening, reducing reliance on expensive grid electricity. A typical household can increase its solar self-consumption from 30% to over 70% with a 10kWh battery, according to BloombergNEF's 2025 Global Energy Storage Outlook. In regions with TOU electricity rates, the system can be programmed to charge from the grid during off-peak hours when electricity is cheapest and discharge during peak hours when it is most expensive, generating significant daily savings.

Backup power functionality is another critical feature. During a grid outage, the system automatically disconnects from the grid (islanding) and powers essential household loads like lighting, refrigerators, and internet routers, providing uninterrupted power and peace of mind. The transition from grid-connected to backup mode typically occurs within 10-20 milliseconds, fast enough to prevent disruption to sensitive electronics. The system's IP65-rated enclosure protects internal components from dust and moisture, ensuring reliable operation in various indoor environments like garages or basements, even in humid climates.

Consider a real-world ROI calculation for a household in California with a 6 kW solar system and average daily consumption of 25 kWh. Under a typical TOU plan, peak rates can reach $0.55/kWh. Assuming 8 kWh of solar energy is stored and discharged during peak hours daily, the daily savings would be 8 kWh multiplied by the difference between the peak rate and the solar feed-in tariff ($0.55 - $0.05 = $0.50), resulting in $4.00 per day. Annually, this amounts to $1,460 in savings. With a system cost of approximately $5,000, the simple payback period would be approximately 3.4 years. This calculation excludes potential state and federal incentives like the 30% Federal Investment Tax Credit (ITC), which can further shorten the payback period to under 2.5 years.

The system is designed and tested to meet rigorous global safety and performance standards. Key certifications include IEC 62619 for the safety of secondary lithium cells, UL 9540 for the safety of energy storage systems, and UN38.3 for transportation safety. These certifications ensure the product is safe, reliable, and compliant for installation in residential properties across major international markets including North America, Europe, and Australia. The CE mark confirms compliance with European health, safety, and environmental protection standards.