i have been to that page in the recent past on your web-site, very good info. i must say that in my previous lurking here i have read a lot of your posts/ reviews and they are all great and unbiased. as many others have said on here, thanks for all your time-consuming hard work to help everybody here make better informed decisions. thanks for letting me know about the 16650 batteries, as i almost bought the 17650, thinking they were better. your reviews of the sanyo UR16650 protected cells from intl-outdoor and keeppower, were great and i am trying to wrap my head around why the keeppower’s have a greater capacity. is this due to a better protection circuit?
There were rumors going around that Intl-Outdoor Store’s version of Sanyo 16650 protected batteries use B-grade rejects from some laptop manufacturer (perhaps Acer?)
I get mine from Intl. Outdoor. (Sanyo) These things slide into anything that will accept a CR123. I use them in all my Quarks and other lights that AW17670 are a hair too fat for. If you don’t like stacking cells, get some of these.
does anybody know where to buy these batteries??
Anyone? I won’t like to get this as well.
It seems from Finland http://www.akkula.fi
I have ordered some 16650’s, I have no connection with the seller,
but this is the first website i have seen selling keeppowers.
Thought i would share the (hopefully) good news.
HKJ: have you confirmed your pack contains 16650’s?
Anybody ever determine if the 16650’s can be had in the HP spare 633805-001 battery packs? I located new one (4200ma) that states 6 cells in it for $24 shipped. I see they have a 5200ma? battery pack also, but it may contain 18650’s for all i know???
No, the guy that using the computer will not let me disassemble the battery pack.
BUMP
http://www.intl-outdoor.com/2-pcs-sanyo-ur16650zt-min-2100mah-liion-battery-p-214.html
Tick "protected". They are made by Keeppower and are almost as good.
Yes but I need another source. 
very interesting…. this would make for a great option in my mini mag mod im planning…
i have one of those cheap chargers from intl outdoor that actually charges to 4.27 volts too LOL. (rated at 4.2 +/- 0.05v)… i guess its plus! lol.
Why?
Let me rephrase, I need another “cheaper” source.
Keeppower is not cheaper than Intl-Outdoor, they are usually more expensive. So far there are no protected budget cells but you can get them unprotected.
Congratulations, you waited one month and saved one dollar. Also, they dont ship to all countries.
This is *budget*lightforum.com :party:
Yeah, and I'm in Germany.. :P
How much would it be to buy the Hp pack, disassemble it, and add your own pcb’s and shrink wrap? IS has them but for $9.25 less BLF discount. Maybe they might organize a GB if prompted.