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Alright thanks! Is there any major difference between the 6 and 7.2v batteries?
I have been searching for an appropriate battery for my robot fish.Are there any that you recommend.Needs to be small.Needs to be light.High energy density.Thanks
Putting the charger on the robot is an interesting thought
There are also ICs that enable you to power the electronics with the battery and charge it at the same time also.
No, a charger must be purchased or built separately.
For my dual LiPos I use the Microchip MCP73842 chip and a MOFET. These are pretty small so the charge circuit is less than 1/2 x 1/2 inch.One reason I did this is because I always seem to misplace the charger. This way any 12V DC power source can be plugged in. And since the newer charger chips are so small having the charge circuit built into the Bot is very convenient.
So you built your own charger like that? What about battery specifications? will that arrangement work with a 6 volt the same as with a 7.2 or a 12 volt battery? and what about current? Or does the microchip take care of all that?