They don't like hard landings though. Bad things happen. RC fliers have burned up their cars. Jim G. From: roc-chat-bounce@xxxxxxxxxxxxx [mailto:roc-chat-bounce@xxxxxxxxxxxxx] On Behalf Of James Dougherty Sent: Tuesday, July 01, 2014 10:30 AM To: ROC Chat; TCC chat; Aeropac Aeropac Subject: [roc-chat] Re: LiPo/Li-Ion batteries Hi David, Powerstream ... http://www.powerstream.com/thin-lithium-ion.htm PGEB01180270 I've flown the smaller Sparkfun units (x2 for 7.4v) ... https://www.sparkfun.com/products/8483 and they work well, I was just really impressed with the density of the above ... I have a call in to Bob F., let's get his take on these since he has the most experience with them.... More on this later ... but I would be curious to know what other people are using ... :-) -James On Mon, Jun 30, 2014 at 10:27 PM, David Smith <davew6dps@xxxxxxxxx> wrote: Where did you fund those? I need something similar for a video camera package. David Smith NAR 78668, L2 Amateur Extra, W6DPS On Jun 30, 2014 9:20 PM, "James Dougherty" <jafrado@xxxxxxxxx> wrote: Bob Feretich has some great write ups on Lipo batteries you can find on his site. What is everyone using these days? I've recently found some 3.7v 1000ma Li-Ion cells for mobile use which are 25x12x1mm thick! Amazing but needs testing. Curious what people are using which has been flight tested... Sent from my iPhone -- ROC-Chat mailing list roc-chat@xxxxxxxxxxxxx //www.freelists.org/list/roc-chat