Yes, you can use any of the wind turbines that I sell on 24v or 12v systems. This will mean that the maximum power output is much reduced as the battery will act as a brake. For example, if you use the 500W (36v) turbine with 12 volt systems expect 1/3 of the power, so around 180Watts max, on a 24 volt system the same machine will produce about 365 Watts max. On the other hand your cut in speed is much reduced.
If you were to use a 200 Watt (24v) Navitron wind turbine on a 12v system, its cut in speed will be reduced from around 4.5m/s to around 2.5m/s and on low wind sites, you will get much more power out of it over a week. You have to obtain a new voltage regulator to prevent over-charging of the battery. More.
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