I have a Porter Cable 9.6V drill. It came with three battery packs.
>I usually use two and switch between them.
>It's in my handyman's bag, and I use it once every few weeks.
>
>Well, when I plugged the battery pack into the carger unit, pack #1
>flashed both red and green LED's. That means the battery's no good. >
>So I charge up the third pack, while using pack #2. So far so good. >
>I recharged #2 and #3 a couple of times. I think.
>
>So now, #2 flashes red and green while charging. So i popped in #3,
>and it too fails. Why would two packs fail at the same time?
>
>It seems like all three failed within two month's timeframe (as I
>said, I don;t use it much).
>
>Is it the battery packs? Or the charger?
>
>It seems strange that all three would fail at about the same time. >
>Since the charger is $80, and two battery packs are also about $80,
>it's expensive to guess wrong. I didn't like the drill, so I'm
>thinking a new one around Cristmas...
>
>I was just wondering if others have seen this (multiple battery packs
>failing at same time), or is it just me?
You might send one of the batteries out to have it refurbished (new cells). It generally costs about half what a new pack costs. I had the cells for my 14.4V Porter Cable drill replaced for about $35, IIRC. They're good as new. You can also do it yourself but I found it didn't save much money.