Started using it last night, the batteries arrived almost empty, charged first 4 and were left charged in the "keep topped up" in the charger. Took two out to use today, and also put other 4 in to charge, I noticed when I put the power back in, and it was only out for about a minute, the two batteries left in there which were supposedly charged are still recharging now after 20 minutes. So once charged it doesnt seem to keep them topped up well. It doesnt charge that fast either, but I think its still an ok charger.
Also the batteries can move out of position easily, and I noticed if slightly out of position, it wont charge properly.
Once they have charged I just take them out, you don't need to keep them continually topping up. They will take a few cycles to reach max capacity but these are still cheap batteries so don't expect miracles but hey it beats throwing away AA's once flat.
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