48V LiFePO4 Solar Battery 5kWh 10kWh 20kWh

Description

Optimumnano 48V LiFePO4 solar battery is designed for residential and commercial energy storage systems.
With high cycle life, Grade A lithium cells and built-in smart BMS, it delivers reliable performance, long lifespan and excellent safety.

This battery pack supports modular expansion and parallel connection, making it an ideal solution for home ESS, off-grid solar systems, backup power and OEM projects.

Product Overview

1. 48V LiFePO4 battery for solar energy storage

2. Energy options: 5kWh / 7kWh / 10kWh / 20kWh

3. High cycle life over 4000 cycles

4. Built-in intelligent BMS system

5. Modular design for easy installation

6. Supports parallel connection

7. Grade A lithium cells only

8. OEM and bulk supply supported

Technical Specifications

Cell Configuration

1. 16S34P of 32700 6Ah cylindrical cells

2. 16S14P of 38121 15Ah cylindrical cells

3. 16S1P prismatic cells (optional solution)

BMS System

Built-in smart BMS provides full protection and monitoring:

1. Overcharge protection

2. Over-discharge protection

3. Over-current protection

4. Short circuit protection

5. High temperature protection

6. Low temperature protection

7. Cell balancing

8. Real-time status monitoring

9. Communication with inverter and EMS

   

Key Features

1. Intelligent BMS ensures system safety

2. Much lighter than lead-acid batteries

3. No heavy metals, eco-friendly solution

4. Low self-discharge rate

5. Service life up to 5–10 years

6. Plug-and-play installation

7. Compatible with most solar inverters

   

Applications

1. Residential solar energy storage

2. Home backup power systems

3. Off-grid solar systems

4. Commercial ESS projects

5. RV and mobile power stations

6. UPS and emergency power

7. OEM energy storage systems

   
   

Our Advantages

1. Optimumnano ISO certified factory

2. Fully automated production lines

3. Grade A lithium cells only

4. High consistency and reliability

5. Flexible OEM / ODM support

6. Strong engineering and R&D team

   

FAQ

1. Q: What capacities are available?
   A: 5kWh, 7kWh, 10kWh, and expandable up to 20kWh.

2. Q: What is the cycle life?
   A: More than 4000 cycles at 60% DOD.

3. Q: Does it include BMS?
   A: Yes, all batteries include built-in smart BMS.

4. Q: Can batteries be connected in parallel?
   A: Yes, multiple units can be connected for higher capacity.

5. Q: Is it compatible with inverters?
   A: Compatible with most mainstream inverter brands.

6. Q: What communication protocols are supported?
   A: RS485, CAN, RS232, Bluetooth (optional).

7. Q: What is the warranty?
   A: 3 years standard warranty.

8. Q: Can I customize logo and casing?
   A: Yes, full OEM/ODM customization is supported.

9. Q: What is the delivery time?
   A: Samples: 7–10 days; mass production: 15–25 days.

10. Q: Is it suitable for home use?
    A: Yes, specially designed for home and commercial ESS.