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11-10-2009, 09:27 PM   #16
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I'v used the GP 2700 before in my km and works fine but with the kx it does not work so I bought for around €19 4 varta 2300 battery's with slow charger and works very good but have to put the settings on NiMH otherwise it gives empty after a few shots
I hope Pentax will fix it in the new firmware

11-10-2009, 09:32 PM   #17
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QuoteOriginally posted by Aristophanes Quote
Trickle charging (or soft charging) works fine for NiMh precisely because it keeps the heat down and vastly extends battery life. You do, however, need a good charger. There's too much off-brand el-cheapo stuff out there.
But is horrible for determing an accurate cutoff point. Many battery engineers recommend 0.5C to 1.0C for accurate cutoffs for NiMH or 0.1C for a timed charge. But then you need a specific brand and mAh to get a full accurate non-overcharged battery.

It's -ok- for keeping them charged once they are charged, but most overdo the current and kill battery life.

Most good chargers do not use trickle charging or slow charging as a main means, many actually look for some that do nearly nothing at all after the light goes off.
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