mike@ufo-battery.com 
What Are The Different Types of Rechargeable Battery Chemistries & Technologies?
Batteries in portable consumer devices (laptops and notebooks, camcorders, cellular phones, etc.) are principally made using either Nickel Cadmium (NiCad), Nickel Metal Hydride (NiMH) or Lithium Ion (Li-Ion) technologies. Each type of rechargeable battery technology has its own unique characteristics.
How to connect a battery in Parallel?
The positive terminal of the first battery is connected to the positive terminal of the second battery, the positive terminal of the second is connected to the positive of the third, etc. and The negative terminal of the first battery is connected to the negative terminal of the second battery
How to connect a battery in Series?
The positive terminal of the first battery is connected to the negative terminal of the second battery, the positive terminal of the second is connected to the negative of the third, etc. The voltage of the assembled battery is the sum of the battery voltages of the individual batteries. So the batteries are connected: + to - to + to - to + to -, etc. The capacity of the battery is unchanged.
How long will my battery last?
The lifespan of a battery will vary considerably with how it is used, how it is maintained and charged, temperature, and other factors.
How do I purchase your goods?
Please contact our official e-mail (mike@ufo-battery.com) or send inquiry according to this website
How long is the lead time?
15-35 days for the samples; 35-45 working days for the mass production
How can I get a sample from you?
After pay, we can send you by express, such as, FedEx, DHL, UPS and so on
How about the Quality Control?
All products are manufactured in accordance with national standards; we have ISO 9001 Certificates ; before delivery, our QC department people will do 3-5 times quality checks
How to install the goods?
We can send installation drawings or video; or our engineers can do the installation for you
How about the after-sales service?
Within the period of warranty, we can send free replacements parts or change new ones
Can you provide R&D service?
Sure. When you are looking for a trustworthy partner to build your custom product, let our experts reduce development risks and bring a high-quality product to make faster for you.
