China Suppliers Factory Lifepo4 High Voltage Battery 100Ah 200Ah 300Ah 5Kw 10Kw 51.2V for Solar Systems
Warranty
Warranty Policy
Q
What's your warranty years?
The warranty period is ten years if the conditions are met. The product shall be free from material or workmanship defects for a period of ten years from the start date of the warranty. The product will be subject to usage restrictions based on the ambient temperature listed in the table below, and will operate in a normal manner according to the guidelines / specifications / warning labels provided by our company. After different years, there will still be 80% remaining usable power.
After-Sale Service
Customer Support
1
What should I do if the product I received is damaged?
If the product is damaged upon receipt, we will provide you with a new item as soon as possible, without delaying your use.
2
What assistance can I get if I encounter difficulties during installation?
Our sales team provides detailed installation videos and instructions, as well as remote installation guidance throughout the entire process. We regularly organize installation guidance meetings in Europe and other places, provide face-to-face technical training, and provide free food and accommodation throughout the entire process.
3
What if I encounter quality issues with the product?
No matter what caused the problem and it is not usable, we will replace the battery with a new one from our warehouse in Europe as soon as possible. Please rest assured that our product has not received any quality complaints for many years, and the probability of quality problems is currently very low.
OEM / ODM & Delivery
OEM / ODM
Q
Can you offer OEM or ODM?
Yes, we are an LFP battery specialized solution provider mainly in the energy storage field. Please inform us of your applications, inverter brand and model name. We will select or customize an LFP battery system for you.
Delivery Date
Q
How long will it take to ship the goods after I make the payment?
🏭 Stock Items
If it is not a customized version, we usually prepare some stock. We have 3 warehouses in Europe for hot-selling items that can be picked up on the same day.
If it is not a customized version, we usually prepare some stock. We have 3 warehouses in Europe for hot-selling items that can be picked up on the same day.
🔧 OEM Orders
We need to ship from China and can dispatch within 7–15 days.
We need to ship from China and can dispatch within 7–15 days.
⚙️ ODM Orders
Design and customization from China, then shipped, with a design cycle of 15–30 days.
Design and customization from China, then shipped, with a design cycle of 15–30 days.
❓ Frequently Asked Questions
FAQ 1
How long is the warranty period for your LFP battery products?
Our LFP batteries come with a 10-year warranty. The product must be used within the ambient temperature restrictions and follow our guidelines. After the warranty period, the battery will still retain at least 80% of its usable power capacity.
FAQ 2
What happens if my battery arrives damaged?
If your product arrives damaged, we will arrange a replacement unit as quickly as possible to ensure your project is not delayed. Please contact our support team immediately upon receipt.
FAQ 3
Do you provide installation support and technical training?
Yes. We offer detailed installation videos, written instructions, and real-time remote guidance. We also host regular in-person installation training events across Europe, with free meals and accommodation provided for attendees.
FAQ 4
Can you provide OEM or ODM battery solutions?
Absolutely. We are a specialized LFP battery solution provider for energy storage applications. Simply share your application requirements, inverter brand, and model, and we will design or customize the right battery system for you.
FAQ 5
How quickly can orders be shipped after payment?
For standard stock items, we have 3 warehouses in Europe where same-day pickup is available. OEM orders ship from China within 7–15 days, while ODM orders (including design) take 15–30 days before shipment.
FAQ 6
What is your quality track record, and how are quality issues handled?
Our products have maintained an exceptional quality record with zero complaints over many years. In the rare event of a quality issue, we will promptly replace the battery with a new unit shipped directly from our European warehouse, minimizing any downtime for your system.









