10kWh-30kWh LiFePO4 Battery Pack for Off-Grid Hybrid Solar Energy Systems - Home Storage Power Solution
KingKong Battery maintains comprehensive stock availability across multiple global locations including China, Poland EU, US, Canada, and UK for:
- 3.2V LiFePO4 cells
- 12V LiFePO4 battery packs
- 48V energy storage systems
Contact Leo for detailed specifications and expedited shipping options.
With 13 years of battery industry experience, we have served over 12,000 customers across 80+ countries with 4 overseas warehouses. Our exceptional performance includes:
- Over 90% repurchase rate
- 99.5% on-time delivery rate
- 98% positive customer feedback
As direct distributors for EVE, CATL, LISHEN, CALB, and REPT batteries, we guarantee:
- 100% original Grade A batteries
- Brand new cells with weekly fresh stock
- Long-term supply stability for your projects
Every battery undergoes comprehensive testing before shipment, including:
- 100% pre-shipment testing
- Matched voltage and internal resistance
- QC checking and online video verification available
With self-operated overseas warehouses and repair centers in Poland and Germany, we provide:
- Complete product usage guidance
- Technical support services
- Full after-sales service for non-artificial quality issues
Our experienced engineering team offers:
- OEM/ODM solutions
- Energy storage structural and software engineering
- Flexible customization options
- Marketing support for local business expansion
Contact Leo now for guaranteed power solutions and professional support.
Grade A Cells: 100% Brand New with Original QR Code
Verified QR code authentication ensures product authenticity and traceability.
Comprehensive Testing Protocol:
- Each battery tested over 3 times before shipping
- Full capacity verification
- Matched voltage and internal resistance testing
- Professional quality detection for voltage, resistance, and appearance
As official distributors of EVE, HC, and NDSD brands, we supply complete battery pack accessories including:
- Battery Management Systems (BMS)
- Complete installation kits
- All necessary safety components
Contact Leo for customized BMS and accessory recommendations with 100% technical and after-sales support.
Our BMS systems support communication protocol matching with major inverter brands for seamless integration.
DIY battery packs require proper cell balancing (same voltage) before assembly. Professional testing includes voltage, resistance, and appearance verification before every shipment.
5-Year Warranty: From successful delivery date. If single battery capacity drops below 80% of initial capacity, provide test documentation for replacement or solution.
Returns accepted within 15 days for unused batteries with intact electrodes, no welding, no wear, and good appearance. Buyer responsible for return shipping costs.
- Prototype batteries require matching protection boards
- No returns for assembly errors, protection board connection issues, or damage from improper use
- Professional consultation recommended before ordering
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.