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Originally Posted by jagboy
Yes... the AAs are alkaline. I know NiMhs are better and I really wish I had some, but I dont have $20 for a pack. And yea, I ran it w/ the BEC because the manual said it was good to do that.
JB
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The manual does says it's ok to hook an Rx pack to the BEC, but I'm not sure if they meant Alkaline Rx packs. Most of the time, people use NiCD/MH batteries for their Rx pack. If the BEC voltage exceeds the battery voltage (even by a little) on your Alkalines, the BEC will try to charge those batteries simply because there is a difference in voltage between the two. When the Alkalines were new, they probably measured a little over 6v so the BEC was fine since it was at 6v. As soon as the batts dropped below 6v, it probably tried to charge the batts. As you know, you aren't supposed to charge Alkalines (unless they are specifically meant to be recharged). According to
Wikipedia, recharging non-rechargeable batteries can cause cell explosion. Although, if the current is low enough, it might just heat up. Either way, it's "bad". Is it possible that your BEC component became overheated in this scenario? I don't know how this would effect the other components or cause something to come loose...