I have neither a Technoline or a La Crosse BC 700. When I needed an extra charger, I was looking for these as well. On the end was a decision between Maha C-9000 and the Opus BM200v2.
Technical details:
Technoline and
La Crosse.
For me, it’s seems that the chargers are identical.
The AccuPower is not listed in their website http://www.accucell.de.
And I did a mistake. The iQ328 is not released by Accucell but AccuPower.
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The Opus BM110 looks like the iQ328. I only own one of the “clones”.
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The BM110 was released later as the BC-700. Could be a newer model or a different vendor (here Opus).
BC-700: 200/500/700 mAh per channel.
BM110: 200/500/700/1.000 mAh per channel. 1 or 2 batteries (channel 1 and 4): up to 1.800 mAh.
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The difference between the BM110 & BC-700 is that the buttons for every channels “disappeared”. It’s still possible to configure different program modes / currents for each channel.
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If you can wait, maybe the BT-C3100 Group Buy would be worth waiting, as Flitsmal already mentioned.