4kwh haisic solar battery

The Haisic 4kWh Solar Battery is a high-performance lithium energy storage solution designed for solar power systems, backup electricity, and inverter applications. Built with advanced Lithium Iron Phosphate (LiFePO₄) technology, this battery delivers reliable, long-lasting, and efficient power for homes, offices, shops, and small businesses.
The battery is engineered to provide stable energy output, fast charging, deep discharge capability, and excellent durability compared to traditional lead-acid or tubular batteries. With a storage capacity of approximately 4 kilowatt-hours (4kWh), it can efficiently power household appliances such as fans, televisions, lights, refrigerators, routers, laptops, and small office equipment during power outages or at night when solar panels are not generating electricity.
The Haisic 4kWh battery features a smart Battery Management System (BMS) that protects the battery against overcharging, over-discharging, overheating, short circuits, and voltage fluctuations. This intelligent protection system helps improve safety, battery performance, and overall lifespan.
One of the biggest advantages of the Haisic 4kWh lithium battery is its long service life. Unlike conventional lead-acid batteries that degrade quickly, this LiFePO₄ battery can achieve between 3,000 to 10,000 charge cycles depending on usage conditions, making it a cost-effective long-term investment for solar users. �
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The battery is also lightweight and compact compared to traditional batteries of similar capacity, making installation easier and reducing space requirements. Its sealed maintenance-free design eliminates the need for water refilling or acid maintenance.
Key Features
Lithium Iron Phosphate (LiFePO₄) technology
4kWh energy storage capacity
High efficiency with over 95% energy conversion
Long lifespan and deep cycle performance
Fast charging capability
Built-in smart BMS protection
Maintenance-free operation
Lightweight and compact design
Suitable for solar and inverter systems
Low self-discharge rate
Safe and environmentally friendly
Technical Specifications
Battery Capacity: 4kWh (approximately 4019Wh)
Nominal Voltage: 12.8V or 48V depending on model
Capacity Rating: Around 300Ah–314Ah
Battery Chemistry: LiFePO₄
Cycle Life: 3000–10000 cycles
Charging Voltage: Approximately 14.6V (12V model)
Maximum Charge Current: Up to 75A
Protection Rating: IP55 dust and water resistance
Weight: Approximately 25–27kg
Connectivity: Supports series and parallel connection �
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Applications
The Haisic 4kWh Solar Battery is ideal for:
Residential solar systems
Hybrid inverter setups
Backup power systems
Offices and small businesses
Shops and POS systems
Telecom installations
CCTV and security systems
Rural electrification projects
Performance Benefits
Compared to traditional lead-acid batteries, the Haisic 4kWh lithium battery offers:
Longer backup time
Faster charging speed
Greater energy efficiency
Longer lifespan
Reduced maintenance cost
Better deep discharge performance
More stable voltage output
A fully charged 4kWh Haisic battery can power:
10 LED bulbs for over 20 hours
Fans and televisions for several hours
A refrigerator for extended backup
Small office equipment during outages
Actual runtime depends on the total power consumption of connected appliances.