High quality 18650 battery 3.7V 8000mAh battery pack for street led light

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FAQ & Our service                                                                             

Q1: Before order, can I have samples for testing?
A: Yes, we can provide you samples for testing firstly. Within 2 pcs samples, batteries are free and

freight cost is at customer's cost. When customers confirm the samples and ready to place order to

us, we will return all the samples cost to you.

Q2: How to proceed an order?
A: 1. Contact our service & let us know your requirements or application.
2. We quote according to your requirements or our suggestions.
3. Customer confirms the samples and places deposit for formal order.
4. We arrange the production and shipping for you.

Q3: What is your payment and delivery items & time?
A: 1. Payment items: By T/T, 30% for deposit, and balance all before shipment. For small amount,

we also accept payment via PayPal.
2. Delivery Items: we can ship the batteries by sea, by air, by UPS, DHL, TNT, FEDEX and some special line.
3. Delivery time: Generally, it will take 7 to 15 days after receiving your advance payment.
Sample : 3-5 days. Big Order: 5-15days.
The specific delivery time depends on the items and the quantity of your order. Pls contact us for details.

Q4: What is MOQ limit for the order?
A: Low MOQ, 1pc for sample checking is available.

Q5: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
 

Q6: What kind of environment should lithium batteries store?
A: The lithium battery should be stored away from direct sunlight, and ensure that the environment is dry

and the temperature changes relatively small. Storing in high temperature, high humidity and contacting

with rain water can affect the battery's performance and life.In order to prevent short circuit in the storage,

kindly avoid the battery's positive and negative contact.

Q7: Can you explain in detail how you match cells for a battery pack before you assembling the pack?
A: We will do the following things before assembling the pack:
a. Select capacity, same capacities cells for one pack
b. Measure the voltage, same voltage cells for one pack(difference is under 0.02v per cell)
c. Measure the inner resistance,same IR cells for one pack (difference is under 1m Ohm)
All above steps are very strict to make sure the pack performance is perfect.

Q8:What's your advantage compared with other suppliers?
A: a. High quality batteries: Our batteries are in enough capacity, and lower in RI,
Before shipment, we will inspect the products and ensure the quality which are well approved by our clients.
b. Better service: We always offer what our clients need. Reply client's questions timely. Supply best battery

solution for clients. We ship out the products on time.

Q9: What company will be used for making the shipments? DHL? UPS or others?
A:Normally, we ship our battery via TNT,UPS and FedEx.

Q10: Can you customize the battery?
A: Yes, we are the battery factory. We can produce the battery core according to the customer's requirement.

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