If you haven't already done so, you should try NiMH rechargeables. Lower stable voltage than alkaline so the rabbit part may move more slowly, while they support higher current levels without reduction in voltage. That should help the internal aspect that probably needs more power to move against greater resistance. Less reduction in voltage with higher current draw may reduce or eliminate that internal on, external slows down effect.
Lithium non-rechargeables are similar in supporting higher currents without voltage drop but their voltage is higher than the NiMH so my guess is that they won't be your preferred option. Also pretty expensive compared to rechargeables. Maybe worth an experiment, though.
Alkalines start out at a slightly higher voltage but can't maintain it as the current draw increases so they end up producing a lower stable voltage that quite rapidly decreases. Either of the other two stays stable at about 1.2v for NiMH or 1.3v for lithium for longer... so you don't get reduced power just when you want more.
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branchandroot
Re: rabbit habbit!
Date: 2008-07-21 12:07 pm (UTC)Lithium non-rechargeables are similar in supporting higher currents without voltage drop but their voltage is higher than the NiMH so my guess is that they won't be your preferred option. Also pretty expensive compared to rechargeables. Maybe worth an experiment, though.
Alkalines start out at a slightly higher voltage but can't maintain it as the current draw increases so they end up producing a lower stable voltage that quite rapidly decreases. Either of the other two stays stable at about 1.2v for NiMH or 1.3v for lithium for longer... so you don't get reduced power just when you want more.