I am trying to recharge my 12V lead acid battery with a 12V DC motor. I am using the battery to power the robot when it climbs. When it descends, I notice that I dont need to apply reverse voltage but the dc motor just backdrives instead. This can act as generator to recharge back the battery, am I right?
I know that i need to step up the low voltage that is generated by the backdriven motor to 12V needed to recharge the battery. This is the board that I think can do the job: https://www.pololu.com/product/799
Is this all I need to make it work? With this method, should I be concerned about the 3 stages of battery charging: bulk, absorption and float?
Please advise. Any feedbacks are greatly appreciated.