Product overview
Reliable performance without the guesswork.
Review the product details, specifications and support information below before ordering.
- Whole-home solar backup systems
- Residential hybrid solar installations
- Offices and commercial premises
- Shops and small businesses
- Off-grid homes and properties
- Essential-load backup systems
- Areas experiencing frequent power interruptions
- Solar installations requiring extended backup time
When paired with an appropriately sized inverter and solar array, the battery can support appliances and equipment such as:
- 💡 Household and office lighting
- 📺 Televisions
- 📡 Wi-Fi and networking equipment
- 💻 Computers and laptops
- 🧊 Refrigerators and freezers
- 📹 CCTV and security systems
- 🖨️ Office equipment
- 🏪 Shop and business equipment
- ⚙️ Selected pumps and motor-driven appliances
- 📱 Phones and other electronic devices
Actual backup duration depends on the connected load, inverter efficiency, battery settings and permitted depth of discharge.
The Eastman ES51.2-230LP Lithium Battery is a high-capacity energy-storage solution designed for residential solar systems, commercial backup installations, hybrid power systems and off-grid applications.
According to the product label, the battery is rated at 51.2V and 230Ah, providing approximately 11.78kWh of nominal energy storage. It uses durable LiFePO₄ lithium iron phosphate technology and is designed for compatible 48V solar systems.
Its enclosed design and integrated monitoring screen provide a clean installation while allowing users to check essential battery information.
Important capacity note: A battery rated at 51.2V and 230Ah provides approximately 11.78kWh, not 5.12kWh. Confirm the exact product specifications before publishing it as a 5.12kWh battery.
🔋 Key Features
- 51.2V 230Ah battery rating
- Approximately 11.78kWh nominal energy capacity
- Designed for compatible 48V solar systems
- Advanced LiFePO₄ lithium iron phosphate technology
- Integrated Battery Management System
- Front battery-monitoring display
- Efficient charging and discharging
- High-capacity energy storage
- Low-maintenance operation
- Suitable for compatible hybrid and off-grid inverters
- Ideal for residential and commercial applications
- Clean, enclosed installation design
🧠 Integrated Battery Management System
The built-in Battery Management System helps monitor battery operation and protect against common electrical and operating risks, including:
- Overcharging
- Excessive discharge
- Overcurrent
- Short circuits
- High and low temperatures
- Cell-voltage imbalance
- Abnormal charging or discharging conditions
Suitable external protection devices, including DC breakers and correctly sized cables, should still be installed.
✅ Benefits of LiFePO₄ Technology
- Longer service life than conventional lead-acid batteries
- Greater usable energy capacity
- Efficient charging and discharging
- Stable performance during repeated cycling
- Improved thermal and chemical stability
- Minimal routine maintenance
- Compact storage compared with an equivalent lead-acid battery bank
- Lower long-term replacement costs
⚡ 48V Inverter Compatibility
Although the battery has a nominal voltage of 51.2V, it is designed for compatible systems commonly classified as 48V solar systems.
Before installation, confirm that the inverter supports:
- 51.2V LiFePO₄ batteries
- The correct Eastman communication protocol
- The recommended charging voltage
- Suitable charging and discharging currents
- Correct cable sizes
- Appropriate DC breakers and fuses
- The required inverter power rating
Professional installation by a qualified solar technician is recommended.
Technical details
Specifications
Specification Details
- Brand Eastman Solar
- Model ES51.2-230LP
- Battery Chemistry Lithium Iron Phosphate — LiFePO₄
- Nominal Voltage 51.2V
- Battery Capacity 230Ah
- Calculated Nominal Energy Approximately 11.78kWh
- System Classification 48V low-voltage solar system
- Display Integrated battery-monitoring screen
- Battery Management Built-in BMS
- Application Solar storage, backup and hybrid power systems
Exact charge current, discharge current, cycle life, communication protocol, dimensions, weight and warranty should be confirmed from the official Eastman datasheet.
Questions and answers
Before you order
What is the battery’s nominal capacity?
The product label shows a rating of 51.2V and 230Ah.
How much energy does it store?
A 51.2V 230Ah battery provides approximately 11.78kWh of nominal energy storage.
Is this a 5.12kWh battery?
The visible specifications do not indicate 5.12kWh. A 5.12kWh battery at 51.2V would normally have a capacity of approximately 100Ah. Confirm the correct model before publishing.
What battery technology does it use?
It uses LiFePO₄ lithium iron phosphate technology.
Can it be used with a 48V inverter?
Yes, provided the inverter supports 51.2V lithium batteries and the correct charging and communication settings.
Can it be used for home backup power?
Yes. Its high storage capacity makes it suitable for residential backup when paired with a correctly sized inverter and solar array.
Can it support commercial equipment?
It may support selected office, shop and commercial loads, subject to a professional load assessment.
Can it be charged using solar panels?
Yes. It can be charged through a compatible hybrid or off-grid solar inverter.
Can it also be charged from the grid?
Yes, when connected to a compatible hybrid inverter that supports utility charging.
Is professional installation recommended?
Yes. Correct installation helps ensure safe wiring, proper inverter communication and dependable battery performance.
Not sure this is the right product?
Send us what you need to power, pump or operate and we will help you confirm the best option.
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