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Great, consistent source of Panasonic 2900mah NCR18650
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Read before you buy off-brand lithium batteries.
Ever wonder why off-brand lithium batteries cost 30-70% less than brands like Tesla/Panasonic, LG, and Samsung? They even have cells that read 2600-3400mah upon initial tests right? In this article I will cite studies and educate you on why some batteries are cheaper than others so you can make an informed decision. There are many different forms of Lithium battery chemistries.- Lithium Cobalt Oxide- Lithium Manganese Oxide- Lithium Iron Phosphate- Lithium Nickel Manganese Cobalt Oxide- Lithium Nickel Cobalt Aluminum Oxide (Tesla and Panasonic 3400mah cells)- Lithium Titanate What we want to focus on is the Cathode materials typically used in...
BEWARE Headway Battery Scam Discovered
As many of you know, China is flooding our market with grade B, used, factory reject, and rewrap cells. Unfortunately, even a great company like Headway has to deal with companies that have the same unethical business practices that seems to plague the Chinese marketplace. This epidemic is more complex and much larger than people may think. As a battery recycler that knows the market very well, we are well aware of batteries being offered by competitors that are dishonest and putting us at risk for profit. Batteries that are not genuine and did not pass quality control and UN...
Multi-Million Dollar Scandal - Ultrafire 9800mah 18650 Lithium Ion Batteries
18650 lithium ion ripoff scandal Ultrafire
Many of us in the DIY battery community are well aware of the Ultrafire brand scandal but it is very likely that the vast majority of the public will waste their hard earned money on these garbage batteries when searching and comparing 18650 batteries. I found and will reveal below some ebay listings that are selling these and ripping us off hundreds of thousands of dollars. This is just a few of the 2684 listings on ebay right now (9/25/18) selling just this battery. I purchased 1 order from each listing and I will do a full capacity and internal resistance...
The Chinese marketplace is ripping us off on wire too?
Caution Fake Wire Mislabeled Thin