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I'm not familure with your device but this is battery charging101. For a battery to charge the input voltage must be higher than the operating voltage of the battery. An example of this is your car. You have a 12 volt battery in your car and the alternator applies 13.4 volts or so to charge it. It is the same with any battery charger be it phone, laptop, chordless drill or small AA,AAA,C,D battery charger, that being said is the Dyson charger a seprat device? If so it can easily be tested at Batteries Plus, Any big box auto parts store, any high school electronics class. Check your owners manual it should give you the operating voltage, check that against what you discover about your charger. The charger only needs higher voltage output than the battery it doesn't have to bee a lot more. If you have further ? Email me at firstname.lastname@example.org good luck. Ps, you can by a reasonably accurate and easy use volt meter at W-mart for under $20. I am attacking video from u tube as to usage it's not difficult and well worth the money.
I also have the CT120-C set, with the 24 V battery, but alas no charger. Been searching web with no luck. Have you found any links where you can buy it? If so, please let me know at email@example.com...
If it is a NiCad or a NMh you should only charge it when it needs it. A lithium can remain on the charger. Your battery packor the bottom of the machine will have the marking of what kind of battery it is.
Try running the battery all the way down by letting the vacume run in a corner or another room and even when it stops leave it on for a hour to drain the battery. Then shut the switch off and try charging the battery. Make sure the charger is putting out enough volts by looking at the rated output of the charger and while it is plugged in check it with a volt meter. If it does not hold a charge and the charger is putting out the right voltage you need to purchase a new battery for the vacume
Find out what voltage is required for the charger and any universal charger with a compatible connector will work. Batteries are rated at 1.2 volts, so if the screwdriver has 3 batteries you need a charger that delivers about 4 volts. A good hardware store should be able to supply you with a suitable charger.
Hello ,this unit has a smart battery charger. This type of charger will charge at a higher voltage to maintain the battery by keeping the plates clean. Have you checked the charging voltage at various times to verify that the voltage is always at 15.7? The voltage should level off at around 14 volts. Also, try another voltmeter just to confirm the voltage. Some meters can read differently. I had a meter that did this for me and it drove me slightly nuts. I hope this helps.
To extend Roomba's battery life and keep Roomba cleaning at peak
• Always keep Roomba plugged in when not in use.
• Recharge Roomba as soon as possible. Waiting several days to
recharge Roomba can damage the battery.
• For storage off the charger, remove the battery from Roomba and store
in a cool, dry place.
• Blue or black batteries should be stored after Roomba has been
• Yellow batteries should be stored after being fully charged.
16-Hour Refresh Charge
If Roomba has been left off the charger for an extended period, Roomba
will initiate a special 16-hour charge cycle. This extensive charge
refreshes Roomba's battery and extends the battery life. While charging,
Roomba's "Clean" button will pulse quickly. Note: For best results, do not
interrupt this Refresh Charge.
My DC16 also had charging problems. I called Dyson and they sent a new charger. The old charger only produced 23.6 volts DC, not the rated 28 volts DC. The new charger has a thicker round wire and produces 28.1 volts DC. Put a volt meter on your charger terminals and see if it is producing enough voltage to fully charge the battery, 28 volt DC. If not you need a new charger.
If you have the old charger, look at the pin and read the output. Many electronics clearance stores sell a generic charger which will match the output in volts and amps as long as you find the identical pin configuration. Volts may exceed the original battery rating by 20%, amps can as well. IE I have a 9.6 volt charger on my 7.2 volt battery pack.