3.7V 300mAh Battery for 702030 Helicopter Mini Aircraft Spare Parts Air Vehicle Backup Battery Helicopter Accessories
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$15.23
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Product review & video
[Music] ladles and jelly spoons welcome back to badger works today power today we're going to look at something that is of interest and things gonna be of interest a lot of people we're gonna look at how to build a rechargeable power circuit now why would we want to rechargeable system well obviously we could just use normal batteries but the trouble is if you build something like a model and you want it in you put batteries inside you need to have a way to get in to get the batteries out to change them or recharge them which obviously is not simple so what I do in these situations is I tend to use a rechargeable system because it means instead of having to take something apart to get the batteries out you can just plug it in and charge the battery so we never look at some of the components that we're going to use how they go together and then a couple of applications where I've used th
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