Description
Overview
The Haisic HS-LD4000W is a compact yet powerful 4.02kWh LiFePO₄ Energy Storage Battery, engineered to deliver dependable energy storage for residential, commercial, marine, RV, telecom, and off-grid solar applications. Built with premium Lithium Iron Phosphate (LiFePO₄) cells, it offers superior safety, exceptional cycle life, and stable performance even under demanding operating conditions.
With a 12.8V nominal voltage and 314Ah capacity, the HS-LD4000W provides reliable backup power while maintaining high efficiency throughout its lifespan. The integrated intelligent Battery Management System (BMS) continuously monitors battery conditions to protect against overcharging, over-discharging, overcurrent, overheating, and short circuits.
Designed with a durable metal enclosure, this battery is ideal for both indoor and outdoor energy storage installations where reliability and longevity are essential.
Key Features
- 4.02kWh high-capacity energy storage
- Advanced LiFePO₄ battery technology
- Long cycle life with excellent durability
- Integrated intelligent Battery Management System (BMS)
- High thermal and chemical stability
- Fast charging capability
- Maintenance-free operation
- Durable metal housing
- High energy efficiency
- Environmentally friendly
- Compact and easy to install
- Compatible with most 12V inverter and solar systems
Applications
The HS-LD4000W is ideal for:
- Residential solar energy storage
- Backup power systems
- Off-grid solar installations
- RV and camper power systems
- Marine battery systems
- Telecom backup power
- UPS systems
- Small commercial energy storage
- Mobile energy solutions
- Remote monitoring stations
Intelligent Battery Management System (BMS)
The built-in Battery Management System provides comprehensive protection by monitoring every charging and discharging cycle.
Protection Functions
- Overcharge Protection
- Over-discharge Protection
- Overcurrent Protection
- Short Circuit Protection
- Over-temperature Protection
- Cell Voltage Balancing
- Battery Status Monitoring
This intelligent system improves battery safety, extends service life, and ensures stable performance under various operating conditions.
Advantages of LiFePO₄ Technology
Compared with traditional lead-acid batteries, LiFePO₄ technology provides significant advantages:
- Longer operational lifespan
- Higher charging efficiency
- Greater usable battery capacity
- Lightweight construction
- Superior safety
- Excellent thermal stability
- Maintenance-free operation
- Eco-friendly battery chemistry
- Deep discharge capability
- Lower total cost of ownership
Why Choose Haisic HS-LD4000W?
The HS-LD4000W combines high-quality LiFePO₄ cells, an intelligent Battery Management System, and a rugged metal enclosure to deliver dependable performance across a wide range of energy storage applications. Whether powering an off-grid solar system, RV, telecom equipment, or providing emergency backup power, it offers outstanding reliability, efficiency, and long-term value.
Package Includes
- 1 × Haisic HS-LD4000W LiFePO₄ Energy Storage Battery
- User Manual
- Installation Accessories
Suitable For
- Homes
- Solar Energy Storage Systems
- RV & Camper Applications
- Marine Power Systems
- Telecom Backup
- UPS Systems
- Off-Grid Solar Installations
- Commercial Backup Power
- Remote Energy Projects
Why Buy from Haisic?
Haisic is committed to delivering premium lithium battery and energy storage solutions that combine innovation, safety, and reliability. Every battery undergoes strict quality control to ensure consistent performance, long service life, and dependable operation for residential, commercial, and industrial energy storage applications.









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