Question about Roomba Robotic Floor Bagless Vacuum
Hello, I found a roomba discovery without a battery and charger, just the robot. I made a battery package with 12 x 2450 AA NiMH energizer cells that I had and connected them to the roomba it's alive! but now I want to charge the batteries using the roomba. I have a 24 volts 1.3 amps power supply and I connected it to the roomba. When it is connected the roomba doesn't start (I thing this is normal please confirm) but the problem is that when i messure the battery contacts tho check if the batteries are receiving charge, there is no voltage. Also there is no indication of any led that the roomba is charging.
I was thinking that the roomba is not sending charge to the batteries because it is not receiving the temperature sensor signal (can be this possible?)
This voltage it's ok to supply the roomba an charge the batteries?
Do I have to see any indication when the batteries are charging?
Can I simulate (with a resistor or someting) the temp sensor?
1. Battery configuration is incredibly important and must be matched to the requirements of the device.
2. Battery charging is as much an art as a science. Just slapping any old power supply on a battery pack to charge it is essentially technical sue-ee-side.
Yes, the car battery folks make it look easy; but many, many millions of dollars and development hours went into that simple-looking technology just for that reason: to make it look easy.
You may have damaged the batteries and probably damaged the circuit board as well. There is a reason that companies spend millions in development. Unless you have a Master's Degree in Electrical Engineering, you should stick to factory-designed and -authorised parts.
Posted on Nov 28, 2015
When charging roomba will show a pulsing red power led and if the battery does not have a feed back wire it wont charge
Posted on Aug 18, 2009
You should not make your own battery and use it with roomba, or try charging it with a charger not meant for roomba, i suggest you buy the APS battery on ebay for $30 - $40. and buy a new charger from the company for $30. You can do some serious damage to the motherboard on the robot and your roomba might not work at all after that.
Posted on Jul 15, 2009
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