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5kWh 10kWh Solar Storage Lithium Battery - China Suppliers Factory for Home Power Backup & Emergency Use

Introducing our high-performance 5kWh Solar Storage Lithium Battery, designed for reliable and efficient energy storage solutions. This powerful 48V 51.2V 100Ah battery backup is perfect for home solar electric systems, providing an ideal power source for camping, emergency situations, and everyday household use. Manufactured in China, our factory utilizes advanced LiFePo4 technology to ensure maximum safety and longevity. As leading suppliers in the renewable energy sector, we are committed to delivering top-quality storage batteries that meet the evolving needs of modern consumers. Choose our solar storage solutions for a sustainable and efficient energy future

    Product Detailed Drawing
    Specifications
    Model FTR48-100 FTR48-200 FTR51.2-100 FTR51.2-200
    Nominal Voltage (V) 48 51.2
    Nominal Capacity (Ah) 100 200 100 200
    Nominal Energy Capacity (kWh) 4.8 9.6 5.12 10.24
    Operating Voltage Range (V) 42~54.75 44.8~58.4
    Recommended Charging Voltage (V) 51.75 58.4
    Recommended Discharge Cut-off Voltage (V) 40 45
    Charge Current (A) 100
    Discharging Current (A) 100
    Max. Discharge Current 10S (A) 200
    Max Discharge Power (KW) 10
    Operating Temperature (℃) Charge 0~50℃;Discharge -20~60℃
    Communication RS485, RS232, CAN (Optional Bluetooth, WiFi)
    Maximum Size (D*W*H) mm 490*440*160 640*550*235 490*440*160 640*550*235
    Weight (kg) 46 98 46 98
    ⚠️ Note: The above data is for reference only and is subject to change without prior notice. Customized requirements such as Bluetooth and 1C charging and discharging need to be communicated with engineers.
    Applications

    This product is suitable for home emergency, remote areas with insufficient power supply, rural areas and farms, disaster relief and emergency, small commercial and industrial facilities, off-grid tourist facilities, areas with high power costs, remote monitoring and control stations, etc.

    Product Advantages
    Stable And Safe Lithium Battery
    1 Stable And Safe Lithium Battery

    51.2V 100Ah lithium battery adopts the most advanced lithium battery manufacturing technology, more stable performance and greater power. The standard charge-discharge current is 100A, the maximum discharge current is 200A, the maximum output power is 5120W. Notice: This product shall be used with a inverter, our solar generator compatible with mainstream brand inverters available on the market.

    Long Service Life
    2 Long Service Life

    SOLARNO1 Lithium batteries use Grade A+ battery cells, 6000+ cycle times, with 10+ years lifespan, which is more than 10 times comparing with Lead-acid batteries. This 51.2V 100ah LiFePO4 battery has built-in 100A BMS to protect it from overcharging, over-discharging, over-current, overheating and short circuits with excellent self-discharge rate, ensuring the LiFePO4 battery's safety level and optimize the 51.2V battery performance.

    Flexible Expansion OptionsBuilt-in BMS
    3 Flexible Expansion Options

    SOLARNO1 can expand capacity from 5kwh to 10.24*15kwh for battery backup power supply. A single unit packs a 5000W AC output, You can even Maximum Parallel 15 units together to achieve 153.6kWH to power 99% of household appliances. What happens during outages with a reliable power backup, life doesn't have to stop, everyone can enjoy from binge-watching TV shows to late-night gaming, keep your daily routine going, it also can utilizing solar to reduce your electric bills.

    4 BUILT-IN BMS & Low Temp Cutoff

    SOLARNO1 LiFePO4 battery has a built-in BMS. High temperature resistance can reach 75℃. The built-in high temperature cut-off function prevents charging at temperatures above 75℃. Can prevent short circuit, over charge, over discharge, over current. Operating temperature: Charge at -30℃~60℃; Discharge at -25℃~65℃.

    Easy Installation & 5-Year Solution
    5 Easy Installation & 5-Year Solution

    The battery comes with mounting brackets, fixing screws and power cables, you don't need to spend extra money on these accessories, the installation is very convenient and simple. The batteries are covered by a 5-year solution, when you choose our LiFePO4 batteries, rest assured of a seamless and reassuring buying process, backed by our exceptional solution and dedicated technical support.

    Frequently Asked Questions (FAQ)
    Q What is the difference between the FTR48 and FTR51.2 series batteries?
    The FTR48 series operates at a nominal voltage of 48V with an operating range of 42–54.75V, while the FTR51.2 series operates at 51.2V with a range of 44.8–58.4V. Both series are available in 100Ah and 200Ah capacities, offering 4.8–10.24 kWh of energy storage depending on the model selected.
    Q How many units can be connected in parallel, and what is the maximum capacity?
    Up to 15 units can be connected in parallel, achieving a maximum combined capacity of 153.6 kWh. This makes the system capable of powering 99% of common household and small commercial appliances, even during extended grid outages.
    Q What communication interfaces does this battery support?
    The battery supports RS485, RS232, and CAN communication protocols as standard. Bluetooth and WiFi connectivity are available as optional add-ons. Please communicate your specific requirements with our engineers before placing a customized order.
    Q What is the expected lifespan and cycle life of these LiFePO4 batteries?
    SOLARNO1 LiFePO4 batteries use Grade A+ cells and are rated for 6,000+ charge-discharge cycles, translating to 10+ years of service life under normal conditions. This is more than 10 times the lifespan of traditional lead-acid batteries, making them a highly cost-effective long-term investment.
    Q Is this battery compatible with third-party inverters?
    Yes, this product is designed to work with mainstream brand inverters available on the market. However, it must be used in conjunction with a compatible inverter — it cannot power appliances directly without one. If you are unsure about compatibility, please consult our technical support team before purchase.
    Q What safety protections does the built-in BMS provide?
    The built-in 100A Battery Management System (BMS) provides comprehensive protection including overcharge protection, over-discharge protection, over-current protection, overheating protection (cut-off above 75℃), and short circuit protection. It also maintains an excellent self-discharge rate to ensure long-term battery health and safety.