25kwh Household Stacked Energy Storage Batteries with CE, CB, UL Certification

Q: What is your Quality Assurance and Technical Support Policy?
A: We guarantee reliable, top-quality products. Each battery undergoes meticulous design and rigorous testing to adhere to the highest standards, reducing maintenance needs and minimizing potential risks.
For assistance, reach out to an authorized dealer in your vicinity for prompt support and replacements. In areas without local dealers, we provide remote support through Zoho Lens, utilizing AR (Augmented Reality) technology for expert diagnostics, troubleshooting, and repairs.

Q: How compatible are the batteries with different inverters?
A: Our batteries are compatible with most leading inverter brands via CAN or Modbus communication. If your specific inverter brand is not listed, share its communication protocol with us, and we will accommodate by upgrading our system. The protocol selection is available on the LCD screen.

Q: Are LeFu ESS lithium batteries safe?
A: LeFu ESS incorporates LiFePO4 battery cells, renowned for their superior safety and thermal stability compared to other lithium variants. In situations of overcharge or short-circuit, these batteries are designed to neither catch fire nor explode. With a remarkable cycle life of over 6,000 cycles at 25°C and a 0.5C charge rate, they exhibit low self-discharge and stable output.

Q: Are there any special requirements for installation and maintenance?
A: LeFu ESS's LiFePO4 batteries are engineered for straightforward installation. Leveraging years of expertise in off-grid inverter setups, we've streamlined the process to be user-friendly, requiring no special tools.

Q: Do you offer OEM and ODM customization services?
A: Absolutely, our accomplished technical team is equipped to deliver custom product designs, encompassing hardware, software, and structural engineering. Final testing is conducted by our team to ensure excellence. Customization generally requires a minimum order of 300 units, with mold, certification, and associated costs covered by the customer.