Our 5kW/10kW hybrid solar power system combines on-grid and off-grid capabilities, providing reliable energy independence with grid backup functionality. The system features high-efficiency monocrystalline and polycrystalline silicon panels for maximum power generation.

KingKong Battery maintains comprehensive stock availability across multiple global locations including China, Poland (EU), United States, Canada, and United Kingdom warehouses.

• 3.2V LiFePO4 cells
• 12V LiFePO4 battery packs
• 48V energy storage systems

With 13 years of battery industry experience, we have served over 12,000 customers across 80+ countries. Our performance metrics include:

• Over 90% repurchase rate
• 99.5% on-time delivery rate
• 98% positive customer feedback

We are direct distributors for leading battery manufacturers including EVE, CATL, LISHEN, CALB, and REPT. All batteries are 100% original Grade A cells with weekly fresh stock replenishment.

Every battery undergoes comprehensive testing before shipment with matched voltage and internal resistance. We welcome third-party QC inspections and online video verification.

Our self-operated overseas warehouses and repair centers in Poland and Germany provide complete product usage guidance and technical support.

Our experienced team of energy storage engineers offers flexible OEM/ODM services, supported by comprehensive marketing solutions for local market expansion.

All Grade A cells are 100% brand new with original QR codes for authenticity verification.

Every single battery undergoes over 3 testing cycles before shipment to ensure:

• Full capacity performance
• Matched voltage levels
• Consistent internal resistance

As official distributors for EVE, HC, and NDSD brands, we supply comprehensive battery management systems and safety accessories tailored to your specific requirements.

Our technical team provides complete BMS and inverter protocol matching to ensure seamless system integration.

We provide a comprehensive 5-year warranty from the date of successful delivery. If single battery capacity falls below 80% of initial capacity, we will replace the unit or provide a satisfactory solution.

• 15-day testing period upon arrival
• Return eligibility requires unused condition with intact electrodes
• Buyers responsible for return shipping costs