I am charging it for the first time. How can I tell if the battery is charging?

Question 1

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My Roomba sat on charger but it kept saying Charge Roomba. I cleaned the 2 contacts on both charger and the Roomba. Now it's not saying anything. How can I tell if it's charging?

I'm far from a Roomba expert and only clicked on your question out of curiosity given my background and as there was a similar question earlier Id passed.

A little research... Roomba NiMh battery pack is 14.4 v full charge. NiMh charging is a bit complicated, suffice to say it will eventually go well over 16V.

I would expect the charging station to have an initial charge voltage in excess of 12.5V. What I don't know is if its always on or waits to see if a load (roomba) attaches and then turns on its output.

So if you measured the power, contacts on the charger with a voltmeter and you get better than 12V likely its good, but really need to know what the voltage is when Roomba (with nominal battery pack) is docked.

Its likely the battery pack in the Roomba has a bad cell and will need replaced. You could measure the battery voltage but likely its low from not taking a charge. If its 14+ then the charger is working and the Roomba is misreporting.

Jan 30, 2019 • Roomba Vacuums

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Red light flashing very fast and not charging fully

How long is it charging until the light goes from flashing red (no charge) to yellow to finally green (full charge) ? If it's not at least 2 hours, sorry I don't have my Roomba papers available, so I'm guesstimating here, it's not getting a full charge. If you can put a voltmeter on the " fully charged" battery pack, that might tell you if the charger is the problem. Clean off the metal contacts where Roomba meets the two metal contacts on the charger. Also just because a battery pack or set is new doesn't mean it's functional. I had a new Apple battery for my laptop that didn't work when I replaced an older one.

Sep 26, 2014 • iRobot Roomba 530 Robotic Vacuum

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1answer

Dyson DC44 Animal - after recharging battery, motor won't start?

Do not leave it to recharge overnight! Try recharging it again but just for the time it needs, and then unplug. Then try vacuuming.
This worked for me when I had the same problem.

Jun 28, 2014 • Dyson DC44 Animal Cordless Vacuum

1helpful

2answers

Battery for Hoover Linx will not charge. Charger blinks very fast.

Jan,

your battery is Shorted. it is time to buy a new vac or a replacement battery.

sorry that is such a short hand answer but that is what the charger is telling you.

Apr 22, 2014 • Hoover Platinum LiNX Cordless Stick Vacuum

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1answer

I have an Energizer Model CHDC7 battery charger for AA/AAA batteries. I'm not sure how to use it. Specifically, when batteries are inserted and plugged in, it displays flashing green lights over all...

Nickel-Metal Hydride (NiMH) batteries are usually charged in pairs in consumer chargers. The CHDC7 can charge two or four batteries at a time. Their position in the charger is important (see the link at the end of this note). Each battery has a separate pair of green LEDs. There are no other LEDs on this charger. The LEDs light up to show the state of charge. Flashing means it is charging. Solid means it has reached that level of charge (ie, 1 LED = half charged, 2 LEDs = fully charged). The batteries will get warm but not uncomfortably so. After some practice you will be able to tell if they are getting too hot (which may signal a worn-out battery which should then be replaced). Like all rechargeable batteries, NiMH batteries have a finite life (measured in number of times they've been discharged and recharged). IMHO, they should also be used and charged in matched pairs. I mark them when I take them out of the box and keep them paired in use and in charging for maximum life. Yes, the devices that use 3 batteries are a pain to deal with. LOL. All details can be found on this Energiser data sheet: http://data.energizer.com/PDFs/chdc7_instructions_english.pdf

P.S. The CHDC7 remains open for charging. Closing it for storage is optional but minimizes the space it takes up.

Jul 30, 2011 • Vacuums

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1answer

How long i have to charge my Euro-Pro Shark

mcdevito75 here, I believe a full charge would be 4--6 hours, but wait until battery needs the charge, to charge a battery with an already half charge or better could shorten battery life.

Jul 21, 2010 • Euro-Pro Shark SV800VX63 Stick Vacuum

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1answer

Charging error 5 - battery not workiafter 4 calls and 4 different

Generic works fine, and that charger does too. If your charge light and dock light are on then you'll be okay.
Save cash, go generic!

Mar 03, 2010 • iRobot Roomba 560 Robotic Vacuum

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1answer

The green light is on as though the battery is fully charged, however, when I start a cleaning cycle, it beeps and goes to red immediately without moving.

Remove the battery, hold down the POWER button for ten seconds, then put the battery back in and charge overnight. If it still tells you it's out of power as soon as you start it, it's time for a new battery. http://store.irobot.com

Aug 23, 2009 • iRobot Roomba 4210 Bagless Robotic Vacuum

1helpful

2answers

Scooba not working after full recharge

NiCD and LiOn batteries have this tendency. They work great for a year, then slowly die off. The problem is you. When new, the device MUST be charged for 14hr nonstop, then every 2-3 months run dead, and recharged again 14hrs nonstop. This is done so the CPU of the Roomba (cool toy) KNOWS what DEAD is and what FULL is. It does this by measuring the amount of currrent flowing thru a very precise resistance. If you do hit and miss charge cycles of the roomba or leave it charging too long, it either develops a flase memory of the above two conditions, or gets HOT and the electrolyte paste dries out. Fix is to wear it out, charge 14hrs, wer it out againand repeat 3-4x. Then recharge and use. If that doesn't fix it, the batteries are too dried and need to be replaced.

Apr 08, 2009 • iRobot 5800 Scooba Vacuum

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1answer

Roomba scheduler

Probably have a bad battery pack, your owner manual should tell you how to replace it.

Feb 11, 2008 • Vacuums

Question 2

ADMIN Andrew

Black & Decker Master 66,827 Answers
Posted on Feb 27, 2021

ADMIN Andrew

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Joined: Nov 14, 2009

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Is it a 'Computer (laptop - Notebook - Chrome Book)', the Category you posted to, or a phone, or a car battery or a Drill Battery Pack, or......................

All questions must have make model (what it is)

_Most_ chargers have lights, Red flashing for charging, Green for full. _Most_ batteries take about 8 hours to fully charge. You can see _some_ charge in an hour.

Vague answers to a vague question. Click COMMENT under my post and fill in the blanks, and we will tell you the _CORRECT_ answer :>)

4 more comments
Hebe Colon Feb 27, 2021

It's a Black and Decker cordless Lithium Ion Hand Vaccuum HHV1315JO42
Hebe Colon Feb 27, 2021

I have the manual and have followed instructions for charging. I guess I will wait 16 hours to see if it has charged. There is no way
to tell if it is charging. The manual that came withe product seems to be for other models.
ADMIN Andrew Feb 27, 2021

Great thanks. so it was wrong category. I don't think I can change it now.

Anyway, here is the answer, 24 hours, and make sure the vacuum switch is in the OFF position. You should see a charging light?

Charging the battery

From new, the rechargeable cells of the product need a minimum charge time of 24
hours to ensure full power.

We suggest you fully discharge the product when it is used for the first time as this will
help the cells recharge faster.

• The switch must be in the off (“O”) position, the product will not charge if it is in any
other position.

• Figure F - Plug the jack plug of the charger into the charging socket of the tool. Plug the charger into any standard 120 Volt 60 Hz electrical outlet.

The charging indicator will be lit.

While charging, the charger may get warm, this
is perfectly normal and safe. It can remain on
charge indefinitely without damage or danger. It
is not possible to “overcharge” the battery cells
with the charger provided.

• The charging indicator will be lit as long as
the appliance is connected to the plugged-in
charger.
ADMIN Andrew Feb 27, 2021

Manual Page 4 refers
https://www.manualowl.com/m/Black%20%26%...

..
ADMIN Andrew Feb 27, 2021

Thanks for changing the Category Steve, Larry will thank you :>)
ADMIN Andrew Feb 27, 2021

If the light is on, it is charging. If there is no light, it is because the vacuum is switched on or something is faulty.

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I am charging it for the first time. How can I tell if the battery is charging?

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ADMIN Andrew

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My Roomba sat on charger but it kept saying Charge Roomba. I cleaned the 2 contacts on both charger and the Roomba. Now it's not saying anything. How can I tell if it's charging?

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I am charging it for the first time. How can I tell if the battery is charging?

1 Answer

ADMIN Andrew

Add Your Answer

Attachments: Added items

Related Questions:

My Roomba sat on charger but it kept saying Charge Roomba. I cleaned the 2 contacts on both charger and the Roomba. Now it's not saying anything. How can I tell if it's charging?

Red light flashing very fast and not charging fully

Dyson DC44 Animal - after recharging battery, motor won't start?

Battery for Hoover Linx will not charge. Charger blinks very fast.

I have an Energizer Model CHDC7 battery charger for AA/AAA batteries. I'm not sure how to use it. Specifically, when batteries are inserted and plugged in, it displays flashing green lights over all...

How long i have to charge my Euro-Pro Shark

Charging error 5 - battery not workiafter 4 calls and 4 different

The green light is on as though the battery is fully charged, however, when I start a cleaning cycle, it beeps and goes to red immediately without moving.

Scooba not working after full recharge

Roomba scheduler

Not finding what you are looking for?

Vacuums

My Roomba sat on charger but it kept saying Charge Roomba. I cleaned the 2 contacts on both charger and the Roomba. Now it's not saying anything. How can I tell if it's charging?

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