Haisic 4kWh 12.8V Lithium-ion Battery – Reliable, High-Capacity Energy Storage for Homes and Businesses-5yrs warranty Best solar 2025

Power your solar system or backup energy setup with the Haisic HS-LD4000W Lithium-ion Battery, built for reliability, high performance, and long-term durability. With a rated energy of 4019.2Wh (4kWh) and a nominal capacity of 314Ah, this battery offers robust power storage for residential, commercial, and industrial applications. Designed with advanced lithium iron phosphate (LiFePO₄) technology, it delivers stable voltage, faster charging, and greater lifecycle durability compared to conventional lead-acid batteries.

Performance Advantages Compared to Lead-Acid Batteries:

• ✅ Longer Lifespan: Up to 10x the cycle life of lead-acid (typically 3000+ cycles)
• ✅ Faster Charging: Charges at 14.6V with max charge current up to 75A
• ✅ Deep Discharge Tolerance: Can handle continuous discharge of 150A and peak up to 200A–2000A
• ✅ Built-in Safety: Smart BMS with overcharge, short-circuit, and temperature protection
• ✅ Low Maintenance: No water topping or acid leaks – completely sealed unit
• ✅ Higher Efficiency: Over 95percent round-trip energy efficiency, ideal for solar setups
   

Best For:

• ✅ Solar Inverter Systems
• ✅ Backup Power Solutions
• ✅ Telecom/IT Installations
• ✅ Residential & Industrial Energy Storage