I just got a batch of DLG 14500 cells today from FastTech.
Got some LG cells from FT today too. No issue with any of my previous battery orders from various places.
I mostly use BG, FT, and WB for battery orders.
Yeah, when I read about battery restrictions, I immediately bought some Panasonic 3400s from FT :bigsmile:
Any good deals right now for 18650? I still have some keeppower right now but I need a few high capacity protected cells.
laptop batteries from american seller on ebay 
if you search enough, you can find 2600mAh samsung or 2200 mAh LG batteries for $10 :bigsmile:
I bought 2 for around $18 from FT. I used to buy them from a seller on ebay who would sell them for 20.65/pair (got them in 2-3 days also) but he raised them to 22-23/pair.
Applied BLF coupon at FT but it was not reflected in total. Anybody experience the same thing?
I think if you try to get 3 or more then it will calculate the bulk rate price and this wil override the BLF coupon.
Just ordered 2 sets of 3400 pannys and 3100 all shipped today from fasttech
I think it only applies to flashlights.
I got the blf discount on my battery orders
Me too.
The BLF discount applies for “light and battery products”. This would include all flashlights, batteries and flashlight parts etc.
The coupon code worked for me and was applied to all the batteries I ordered.
I have bought LOTS of flashlight-related stuff from FT that the discount code didn't do squat for. For me, it works on so few items I don't even bother using it anymore.
You are right. I ordered many time and now then I realized that. 
So it is different from BG calculation.
Oh, 2600 samsung :bigsmile: where did you find those?
Laptop Cells are good for personal usage. Bought 3 more packs of Pannys from FT for resale.
Cautionary: much isn’t yet understood about lithium-ion (and the people making them aren’t disclosing how they’re made or tested)
https://www.ntsb.gov/news/2014/140522.html
—— quote——
… fire event showed evidence not just of an internal thermal runaway but that “unintended electrical interactions occurred among the cells, the battery case, and the electrical interfaces ….” …. there is no standardized thermal runaway test that’s conducted in the environment and conditions that would most accurately reflect how the battery would perform when installed and operated …. might not have adequately accounted for the hazards associated with internal short circuiting.
—-end quote——
———quote——-
… deciding what the safety standards should be has become the pursuit of an ever-moving target.
The more that lithium-ion battery technology develops, the more it appears
that the battery industry doesn’t fully understand the ways in which the technology can fail.
A commonly-used euphemism for this phenomenon is that the technology “is not yet mature.”
…
… a two-day public hearing to track the history of lithium-ion battery development … was openly frustrated by the lack of information …. related to the composition of the membership …. developers and manufacturers of lithium-ion batteries who are … lawyered up and ready to invoke proprietary secrecy and intellectual property rights to protect themselves from competitors. This materially affects what can be revealed about the behavior of batteries during testing….
————end quote——
Testing? What testing?
Just sell them to the electric-cigarette manufacturers.
Their customers will test them.
After all, what’s the worst that could happen?
They can’t be more dangerous than nicotine ….
———
There are two different places you can enter a coupon code on FT. One when viewing the cart and one on check out irrc. Only one of the places actually works with the BLF coupon, but I forget which one.
Something smells fishy here. GS Yuasa li-ion batteries are used on satellites for over two decades without a single catastrophic failure but suddenly their test procedures are not satisfactory for NTSB ?!?
I still think that primary cause of problem was in battery management or wiring of batteries not the cells themselves.
And certainly not to mention (again) catastrophic choice of location for main and backup battery in airplane…