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Funny how just a week ago “BS” had their 10440’s listed as 350 mAh and now they are 300. Interesting my receipt from the test cells I purchased clearly states 350mAh too but a close look at the cells shows that the capacity has been scratched off, hate that. They are also clearly surplus cells since if you look close you can still see the original 2005 manufacturers label even though an attempt has been make to wash it off too. Oh well what can you say they are after all from “BS” dot com, but hey they are what they are and I have never expected more from a discount battery reseller no matter what they try to imply on their webpage, and if a tad expensive their shipping and delivery is still good. Maybe they ran out of the supposed 350’s.
The 10440’s I received from BS, 350 or not, are working ok as a 2s but as I said the pack heats up and the car slows down, due to an internal safety device called a PTC that lithium ion cells have. It’s not a bad option, since with the mod this thread is/was about, I can swap out battery packs in seconds, especially with Velcro holding the body on. Unlike LiPo cells the discharge rates for lithium ion cells are not going to vary significantly.
Back to the point, the Micro-Flyer uses a 150mAh LiPo. So far the best LiPo option in my opinion for a stock chassis is a 250 10C pack made by E-Tec I believe, that can fit with work and a little chassis modification, search the net for Viperdout’s car.
As far as NiMH packs go Cheapbatterypacks.com sells Kan 160’s that fit but as yet they don’t have Micro-T connectors, OnlyBatteryPacks.com sells a Gold Peak 160 pack that comes with a Micro-T connector. The problem with both of these options is that they are only 10mAh more than the stock packs which hardly seems worth the effort, and it’s looking like the stock 150’s deliver a good deal of current for their size, so they might not even be much of an improvement at all. One thing you have to be careful about with an unmodified chassis is the 1/3 AAA designation, it is only a ball park reference so some 1/3 AAA’s like the 195 cells I use are too long to fit in an unmodified chassis, although they are well worth modifying a chassis for.
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