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China Suppliers Factory 5kWh 10kWh Rack-Mounted Lithium Battery for Home Solar Storage System – LiFePo4 Backup Power
📋 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
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 an inverter, our solar generator is compatible with mainstream brand inverters available on the market.
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 compared 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 optimizing the 51.2V battery performance.
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 parallel up to 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 utilize 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℃.
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
Q
What is the difference between FTR48 and FTR51.2 series batteries?
The FTR48 series operates at a nominal voltage of 48V (operating range: 42~54.75V), while the FTR51.2 series operates at 51.2V (operating range: 44.8~58.4V). Both series are available in 100Ah and 200Ah capacities. The choice depends on your inverter's compatible voltage input.
Q
How many batteries can be connected in parallel?
Up to 15 units can be connected in parallel, allowing you to achieve a maximum combined capacity of 153.6kWh. This makes the system highly scalable for both residential and small commercial applications.
Q
Does the battery have built-in protection features?
Yes. Every unit includes a built-in 100A BMS (Battery Management System) that protects against overcharging, over-discharging, over-current, overheating, and short circuits. The high-temperature cut-off function activates at 75℃ to ensure safe operation.
Q
What communication protocols are supported?
The battery supports RS485, RS232, and CAN communication protocols as standard. Optional wireless communication via Bluetooth or WiFi is also available — please consult with our engineers for customized configurations.
Q
What is the expected lifespan of these LiFePO4 batteries?
These batteries are rated for 6000+ charge-discharge cycles using Grade A+ LiFePO4 cells, offering a lifespan of 10+ years. This is more than 10 times longer than traditional lead-acid batteries, making them a highly cost-effective long-term investment.
Q
What warranty and after-sales support is provided?
All SOLARNO1 LiFePO4 batteries come with a 5-year solution, including dedicated technical support. The package includes mounting brackets, fixing screws, and power cables for easy installation. Our team is available to assist with any technical questions or customization needs.