Product overview
Reliable performance without the guesswork.
Review the product details, specifications and support information below before ordering.
- Home solar backup systems
- Whole-home essential-load systems
- Offices and shops
- Hybrid solar installations
- Off-grid properties
- Commercial backup systems
- Areas with frequent power interruptions
- Solar installations requiring extended backup time
When paired with a correctly sized inverter and solar array, the battery can support appliances and equipment such as:
- 💡 Household and office lighting
- 📺 Televisions
- 📡 Wi-Fi routers
- 💻 Computers and laptops
- 🧊 Refrigerators and freezers
- 🌀 Fans
- 📹 CCTV and security systems
- 🖨️ Office equipment
- 🏪 Shop and business equipment
- ⚙️ Other compatible residential or commercial loads
Actual backup duration depends on the total connected load, inverter efficiency, battery settings and usable depth of discharge.
The Yachu 10.85kWh Lithium Battery is a high-capacity energy-storage solution designed for residential solar systems, offices, shops, backup installations and off-grid applications.
Built with LiFePO₄ lithium iron phosphate technology, it offers long cycle life, high usable capacity and intelligent battery protection. With a nominal voltage of 51.2V and an energy capacity of 10.85kWh, it is well suited to compatible 48V solar systems that require reliable daily energy storage and backup power.
🔋 Key Features
- 10.85kWh energy-storage capacity
- 51.2V nominal battery voltage
- Advanced LiFePO₄ lithium iron phosphate technology
- More than 6,000 charging cycles
- Up to 95% depth of discharge
- Integrated smart Battery Management System
- CAN and RS485 communication
- Front LCD monitoring display
- Wall-mounted or rack-mounted installation
- High usable energy capacity
- Efficient charging and discharging
- Low-maintenance operation
- Suitable for residential and commercial solar systems
- Ideal for solar backup and energy-storage applications
⚡ High Usable Energy Capacity
With a depth of discharge of up to 95%, the battery can provide approximately 10.31kWh of usable energy under suitable operating conditions.
Actual usable energy may vary depending on inverter settings, temperature, battery condition and the manufacturer’s recommended operating parameters.
🧠 Smart Battery Management System
The integrated BMS continuously monitors battery operation and helps protect against common electrical and operating risks, including:
- Overcharging
- Excessive discharge
- Overcurrent
- Short circuits
- High temperature
- Low temperature
- Cell-voltage imbalance
- Abnormal charging and discharging conditions
These protections help improve safety, performance and battery lifespan.
🔌 CAN & RS485 Communication
The Yachu battery supports CAN and RS485 communication, allowing compatible inverters to exchange key battery information such as:
- State of charge
- Battery voltage
- Charging status
- Discharging status
- Protection conditions
- Operating information
The inverter must support the correct battery communication protocol.
✅ Benefits of LiFePO₄ Technology
- Long cycle life
- High usable energy capacity
- Efficient charging and discharging
- Stable performance during repeated cycling
- Improved thermal and chemical stability
- Lower maintenance than lead-acid batteries
- Compact installation
- Lower long-term replacement costs
🧱 Flexible Installation
The battery supports both:
- Wall-mounted installation for a clean, space-saving setup
- Rack-mounted installation for organised modular energy-storage systems
The appropriate mounting hardware and installation structure should be confirmed before installation.
⚠️ Inverter Compatibility
Although the battery has a nominal voltage of 51.2V, it is intended for compatible systems commonly classified as 48V solar systems.
Before installation, confirm that the inverter supports:
- 51.2V LiFePO₄ batteries
- CAN or RS485 communication
- The correct Yachu battery protocol
- Appropriate charging and discharging settings
- Correct DC cable sizes
- Suitable breakers and fuses
Professional installation by a qualified solar technician is recommended.
Technical details
Specifications
Specification Details
- Brand Yachu
- Battery Type Lithium Iron Phosphate — LiFePO₄
- Nominal Voltage 51.2V
- Energy Capacity 10.85kWh
- Cycle Life 6,000+ cycles
- Depth of Discharge Up to 95%
- Battery Management Integrated Smart BMS
- Communication CAN / RS485
- Monitoring Integrated LCD display
- Mounting Options Wall mounted / Rack mounted
- Application Solar energy storage and backup power
Questions and answers
Before you order
What is the battery’s energy capacity?
The Yachu battery provides 10.85kWh of nominal energy storage.
What is its nominal voltage?
It operates at 51.2V.
What battery chemistry does it use?
It uses LiFePO₄ lithium iron phosphate technology.
How long is the cycle life?
The battery is rated for more than 6,000 charging cycles, depending on operating conditions and depth of discharge.
What is the maximum depth of discharge?
The stated depth of discharge is up to 95%.
How much usable energy does that provide?
At 95% depth of discharge, approximately 10.31kWh may be usable.
Can it work with a 48V inverter?
Yes, provided the inverter supports 51.2V lithium batteries and the correct CAN or RS485 communication protocol.
Can it be wall mounted?
Yes. It supports both wall-mounted and rack-mounted installation.
Can it be used for home backup power?
Yes. It is suitable for residential backup when paired with a correctly sized inverter and solar array.
Can it support commercial applications?
Yes. It may support offices, shops and other commercial loads when the system is properly sized.
Is professional installation recommended?
Yes. Proper installation ensures correct communication, protection, cable sizing and inverter configuration.
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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