We offer 5-year warranty for 51.2v server rack lithium battery,covering non-human-induced battery failure issues.When you buy this solar kit, you are covered by the full manufacturer warranties on each component. Plus, you’ll receive our lifetime customer and technical support.

Our battery communicates via built-in Bluetooth/WiFi with mobile apps; RS485-1 on the front panel communicates with host computer software, mainstream inverters, and Solar Assistant; CAN interface communicates with inverters; RS232 interface communicates with host computer software.

We use 100% brand-new A-grade prismatic cells （UL 9540A and UL 1973 Dual Certification） in our batteries, ensuring up to 6000 cycles at 80% depth of discharge (DOD).

Our battery is equipped with a built-in 100A BMS and pre-charging circuit, and a 63A short-circuit protection switch on the front panel.Providing warning and protection functions, including over-discharge, over-charge, over-current, short-circuit, and high/low temperature.

You will receive your tracking numbers via email as soon as they are available. So please make sure you use a good Email address when ordering that can receive email for your your tracking information. Also, please expect to receive multiple deliveries and packages as we ship from multiple warehouses to keep costs down.

We are committed to providing simple and convenient return and exchange services with no restocking or return fees. If you choose to return an item for personal reasons, you will only need to cover the return shipping cost. In the event of damaged goods during transit, we will fully cover all expenses for a replacement. We stand behind the quality of our products—please contact our customer service if any issues arise, and we will ensure a prompt resolution

We stand behind what we sell and we'll take care of the costs of getting you a new working product. Just reach out to us if this happens and we will get you all taken care of.