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5kWh 10kWh Solar Storage Lithium Battery 48V 51.2V - China Factory Suppliers for Home Use and Emergency Power Solutions
Specifications
| Model | FTW48-100 | FTW48-200 | FTW51.2-100 | FTW51.2-200 |
| 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) | 54.75 | 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 | 742*468*275 | 847*542*365 | 742*468*275 | 847*542*365 |
| Weight (kg) | 56.4 | 111 | 56.4 | 111 |
⚠️ 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 a inverter, our solar generator 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 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.
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℃.
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 FTW48 and FTW51.2 series batteries?
The FTW48 series operates at a nominal voltage of 48V with an operating range of 42~54.75V, while the FTW51.2 series operates at 51.2V with a range of 44.8~58.4V. Both series are available in 100Ah and 200Ah capacities. The choice depends on your inverter's compatible voltage range.
Q
How many units can be connected in parallel, and what is the maximum capacity achievable?
Up to 15 units can be connected in parallel, achieving a maximum total capacity of 153.6kWh. This makes it suitable for powering 99% of household appliances and small commercial facilities.
Q
What communication protocols does this battery support?
The battery supports RS485, RS232, and CAN communication protocols as standard. Optional wireless connectivity including Bluetooth and WiFi is also available upon request — please communicate your requirements with our engineers.
Q
What protections does the built-in BMS provide?
The built-in 100A BMS protects the battery from overcharging, over-discharging, over-current, overheating, and short circuits. It also features a high temperature cut-off function that activates above 75℃, ensuring safe and reliable operation at all times.
Q
What is the expected lifespan and cycle life of this LiFePO4 battery?
Using Grade A+ battery cells, these LiFePO4 batteries are rated for 6000+ charge-discharge cycles and offer a lifespan of 10+ years. This is more than 10 times the lifespan of traditional lead-acid batteries, making them a highly cost-effective long-term investment.
Q
Is professional installation required, and what warranty is provided?
No professional installation is required. The battery package includes mounting brackets, fixing screws, and power cables for easy DIY setup. All batteries are backed by a 5-year solution along with dedicated technical support to ensure a seamless experience after purchase.