20 Most Recent Ryobi Multi-Volt Battery Charger - Page 8 Questions & Answers

A roll of duck tape wrap around the case will work quite nicely.

Ryobi Multi-Volt... | Answered on Jul 21, 2009

I hate to say it but the battery is defective. You may be able to get a replacement from the manufacturer if you contact them.

Ryobi Multi-Volt... | Answered on Jul 06, 2009


Just remove the screws from the housing (I had to do it this morning). There are approximately 12 screws that can removed with a flat head screw driver, all from the same side of the housing. The housing readily opens up, but be carefull, there will be some rubber strips that start to fall out. Make sure you keep these; you will need them again for the replacement battery you install. The rubber strips act as a cushion between the battery and the housing's inner ribbing; helps to reduce rattle & vibration.

Next pull the 2 electrical leads (red and black) down and off of the battery terminals, a quick **** will work well.

Lastly, your battery is 12V 8.0Ah and retails for $100 plus shipping. Mine lasted 11.5 years, but finally died (I think). You might however, want to have your battery tested to see if it really is bad, it may be a bad charger which is only $10 - $20 to replace.

Ryobi Multi-Volt... | Answered on Jun 24, 2009

Its likely the batteries will take at least several hours to fully charge, if not more. NiCad batteries are slow charging and usually need 4-6 hours for a full charge. Keep them on longer or even overnight but make sure you remove them in the morning. You will probably find the light turns green after 4-6 hours of charging. If lights stay yellow and green after 12 hours of charging, it may indicate a fault in the battery itself where it will not accept a charge.

Ryobi Multi-Volt... | Answered on Jun 20, 2009

Yes you can replace the inside batteries yourself , just take the old ones out and go to Battery world or a similar shop and get replacements then all you have to do is repack them yourself and put them back into the battery case .

Ryobi Multi-Volt... | Answered on Jun 12, 2009

Absolutely not. The risk of damage to the battery is only a minor concern compared to the fire hazard you would be creating.

Ryobi Multi-Volt... | Answered on Jun 11, 2009

Did you wire them in circuit? (hot lead to positive on 1st batt, which jumps to the neg on 2nd batt, and neg lead going to neg post on 1st batt, then to positive on 2nd batt) That would be for a 24v system, for a 36v you would continue to the opposite posts again.

Ryobi Multi-Volt... | Answered on Jun 05, 2009

your NG3 should have been preprogrammed for the type of batteries you are charging. The NG3 has the 3 wires from the power cord. Here is what I have done:
Brown from charger goes to black wire
Blue goes to white wire
yellow green goes to green ground.

Ryobi Multi-Volt... | Answered on May 30, 2009

Negative partner, you can try all day everyday but 12 v is 12v and 18 v is much more. its just not gonna supply enough juice to charge the battery. the most youll ever charge it is 12 v... sorry.

Ryobi Multi-Volt... | Answered on May 02, 2009

i have a manul that you can fix all your batterys ,very easy email me i will send you the file cheers at pfcatering@optusnet.com.au

Ryobi Multi-Volt... | Answered on May 01, 2009

Had the same problem with some makita batteries, Was going to throw them away so decided to take apart and see what was happening. The are made up of 1.5 volt cells soldered together, found that many had .9 volts or less and others had 1.5 or more. This means that some of the cells had gone bad (probably due to lack of chemical reaction). Found that if I collected all of the 1.5 volt together could charge just fine. Problem is it is very hard to get them all soldered back together and even harder to enclose them. If a mfg. could come up with some way to change cells individually they could make a lot of money and save us a lot. So the answer to your question is buy you at least one more battery and recycle your old one.

Ryobi Multi-Volt... | Answered on Apr 24, 2009

Then unfortunatly your battery charger is faulty and has to be replaced. If the unit is under warranty a Ryobi service center will be able to supply on free of charge.

Ryobi Multi-Volt... | Answered on Apr 23, 2009

you need to go to a **** smith store and bye a kit to do this cheers peter

Ryobi Multi-Volt... | Answered on Apr 12, 2009

you can fined it here cheers peter ,,http://www.ferret.com.au/c/Locks-Galore/Ryobi-door-closer-range-available-from-Locks-Galore-n665613

Ryobi Multi-Volt... | Answered on Apr 12, 2009

email me i will send you the instructions ,,its easy and it works ,,,to pfcatering@optusnet.com.au cheers peter

Ryobi Multi-Volt... | Answered on Apr 12, 2009

Either the battery is hot from use or has been in the sun, let it cool down, then try again.

Ryobi Multi-Volt... | Answered on Mar 22, 2009

you need to open up you battery and check each on for voltage. take out the ones that have no voltage and resolder it with the good battery from your other non working one. you need to ruff up the top and bottom of the battery to solder a wire to it. make sure you dont touch the battery to the wrong polarity or you will get a spark or fire.

Ryobi Multi-Volt... | Answered on Mar 08, 2009

Just got a reply from Ryobi tech service and it says that "all Ryobi 18V platform power tools can accept and use the lithium batterys, but you must use the charger for the lithium to recharge them. Hope this helps. Dave

Ryobi Multi-Volt... | Answered on Feb 16, 2009

You don't need help, you need patience. That charger is on a timer. You can probably use it now anyway. If this is helpful, please post as such. TY

Ryobi Multi-Volt... | Answered on Jan 27, 2009

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