Notes before buying

Please read carefully all the description before taking orders, the battery is suitable for DIY lovers with experience, people who are not familiar with the safe use of lithium battery knowledge, please go to our shop to buy the finished product.

DIY battery pack must get the cells balanced (same voltage ) before assembly. And we don’t accept refund for buyers who don’t know how to assembled or unbalanced assembly.

Please use the correct BMS during assembly. We don’t accept refund for the problem caused during assembly process or after the assembly. Such as not use the BMS, the BMS connected to the wrong wire lead to battery damage, charger failure, the assembly error or unbalanced assembly, etc.

Before assembling, please make sure use the same capacity cell and use the same brand of the cell. It is forbidden to mix cells with different capacity and brand in the same battery system. Otherwise, we will not be responsible for quality assurance.


Never throw the battery into water, keep it under dry, shady and cool circumstance when not use.

Never keep the battery beside high temperature source examples: fire, heating machine and etc.

Never throw the battery into fire or heating machine.

Never connect the positive and negative of battery with metal.

Never ship or store the battery together with metal

Never knock, throw or trample the battery.


1)The warranty period is 3 years from the date you receive.

2) We will test all the products quality before shipment, make sure the batteries and accessories (like chargers) are working properly. If you find any problems after receiving the items, please contact us. In most cases, we can sort out the issues by providing technical support.

3) We only replace new battery for free due to the failure of manufacturing. And the shipping cost is covered by the buyer.

The following conditions are not covered by the warranty

1) Not responsible for accidents caused by not operating in accordance with the specification.

2) Not responsible for the accidents cause by abuse, neglect, improper use, transportation, unauthorized modification or tampering, improper maintenance, normal wear and tear,disposal in fire, freezing, theft, accidental damage, storage, or other forms of physical damage.

3) Not cover damage to the product caused by accidental submerging of the battery in any body of water (rain, lake, stream, pond, ocean)

4) Not using the correct charger, overcharge, over discharge, short circuit, reverse the positive and negative poles of the battery.

5) Assembly process or after the assembly happen any problem, such as not use the BMS, the BMS connected to the wrong wire lead to battery damage, charger failure, the assembly error or unbalanced assembly, etc.

Contact us at for questions related to refunds and returns.

Frequently Asked

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Is the battery free shipping?

Yes, that's right, all the batteries we offer on our website are shipped sea free and with no additional taxes!
Please contact me if you need to ship by air.


+86 13202568382

Do you ship overseas?

Yes, we ship worldwide. And offer free shipping! We have discounts and promotions throughout the year, so stay tuned for exclusive offers.

When will I receive a tracking number?

Normally, it takes 3-7 working days. Once your order has shipped, we will provide you with a tracking number to track your package. A shipment notification, including the tracking information will be sent to your email address when your order is processed and leaves our warehouse.

Are LiFePO4 batteries safe?

There is no doubt that LiFePO4 batteries are one of the safest lithium-ion batteries out there. Due to its chemical properties and safe internal structure, LiFePO4 batteries will not explode even if they are severely damaged (such as puncture/strong knocks).

How long will it take to get my order?

It depends on where you are. Orders processed here will take 1-5 business days to arrive. Overseas deliveries can take anywhere from 20-30days. Delivery details will be provided in your confirmation email.

What shipping carriers do you use?

We use all major carriers, and local courier partners. You’ll be asked to select a delivery method during checkout.

Can I return my product?

We always aim for make sure our customers love our products, but if you do need to return an order, we’re happy to help. Just email us directly and we’ll take you through the process.

What is Grade A battery cells?

● Class A: Battery performance meets manufacturer's specifications. And new and unused, with factory data sheet.

What if the item(s) I received is defective/incorrect/damaged?

Please contact us within 7 days from receiving your order if you received merchandise that is incorrect, missing, and/or defective. Please include your order number, photographs of the item(s) and all related references upon receiving your package. We will do our very best to resolve your case as soon as possible.

Do you have your own battery warehouse abroad?

Yes, we have our own battery warehouses in European countries and USA with fast shipping service, 5-7 days delivery!