Why is my Ryobi charger flashing red light?

If the red LED light is flashing and the green LED light is off, the battery is being tested: This could occur if the battery pack is initially too hot or cold when placed in the charger. When both LED lights are flashing, the battery is defective.

Beside this, why is my Ryobi battery charger blinking red?

The most common cause for your Ryobi 40V Charger showing flashing red and green lights is that the battery has been over-discharged. The problem here with Ryobi 40V chargers, is that they don't incorporate a “boost” feature that would allow a a battery that has entered sleep mode to be woken up again.

Subsequently, question is, why is the light on my battery charger blinking? Fast flashing indicates a poor connection between the battery and charger or a problem with the battery pack. Remove the battery from the charger and then use a dry cloth or cotton swap to clean the metal contact terminals on the battery. Afterwards, try charging the battery again.

Also to know is, why does my Ryobi battery won't charge?

Either way you put your battery in the charger and all you get is a flashing red light, which according to the label on the charger means your battery is defective. It isn't just dead. It's “defective”. You probably left it in the charger too long which weirdly drains the battery.

What does a flashing red light mean on a battery charger?

The label states a red blinking light means "AC POWER APPLIED, BATTERY NOT CONNECTED PROPERLY." However, a red blinking light will also occur if you have completely drained the battery. You need to restore the battery back to at least 4VDC or the Battery Tender will fault and not begin recharging.

32 Related Question Answers Found

How do I reset my Ryobi battery?

How to Fix Ryobi Batteries

Put your Ryobi battery into the charging unit.
Turn off the charger, and remove the battery.
Insert your battery into the appropriate power tool.
Turn off the Ryobi power tool once it stops running, and allow the battery to cool for about 10 to 15 minutes.

What does it mean when your rechargeable batteries are flashing red?

A flashing red LED light indicates that the charger detects abnormal batteries or the battery temperature is abnormal. When the light is a solid green, the batteries have completed their charge.

How do you fix a lithium battery that won't charge?

You'll need to completely drain the battery for this to work, so once it reaches zero percent, keep turning it back on until it doesn't even have enough power to boot. Now, plug in the power cord (to a power outlet) and let the battery charge for at least 48 hours.

Can you leave Ryobi batteries on the charger?

Give the battery a good solid charge by leaving the battery connected to the charger for another hour couple of hours - but keep a good eye on the battery charger in case it begins to overheat.

Is it OK to leave a lithium ion battery on the charger?

While you're charging it back up, you should also avoid pushing a lithium-ion battery all the way to 100 percent. If you do fill your battery all the way up, don't leave the device plugged in. But in the long term, electronics will age faster if they're constantly plugged in while already charged to 100 percent.

How long do Ryobi batteries last?

Ryobi claims that one of these batteries can last longer than 6,000 AA batteries. ?This is a lithium ion battery and will have that "fade free" power that other lithium ion batteries offer. Ryobi also states that their 4V battery will last for around 2,000 full charges before becoming defective.

What do lights mean on Ryobi charger?

Look at the LED light. When the green LED light is flashing and the red LED light is steady, the battery is charging. When the red LED is off and the green LED is steady, the battery is fully charged.

How do I bring my battery back to life?

Bring Dead Lead Acid Battery to Live Again

Step 1: Preparing the Battery. 3 More Images.
Step 2: Fill the Water Inside the Battery.
Step 3: Mix Water With Acid and Charging.
now pull the wasted water from the top of 3 holes by the syringe and let the battery charging.
39 Discussions.

How do you fix a battery that doesn't hold a charge?

How to Fix a Car Battery That Won't Hold a Charge

Prepare the battery. Put on the safety glasses.
Perform a load test. Connect the load tester to the positive battery terminal first and then to the negative post.
Remove the cell covers.
Perform a hydrometer test.
Test the cells.
Add the treatment chemicals (optional).

Does Ryobi have a lifetime warranty?

WHAT THIS WARRANTY COVERS: This warranty covers all defects in workmanship or materials in your RYOBI® power tool for a period of three years from the date of purchase. With the exception of batteries, power tool accessories are warranted for ninety (90) days. Batteries are warranted for three years.

How do you test a rechargeable battery?

2 Answers. Test the battery under load after charging. For AA and AAA, use a resistor of about 10 ohms, or a small incandescent flashlight bulb, in parallel with the multimeter. NiCd or NiMH cells should be ~1.4 volts, though different cell chemistries may give a range of ~1.35 to ~1.5 V.

Does Ryobi replace bad batteries?

To replace a battery that is still under warranty, please contact our customer service at 877-655-5250. For replacement of 4V, 18V, 24V, and 40V batteries that are not under warranty, please visit The Home Depot. For all other RYOBI batteries, please visit Direct Tools Factory Outlets.

Do Ryobi batteries die?

These batteries have a tendency to die if drained too far but especially if you are a lazy POS like me and leave them on the charger. They also don't like cold so don't leave them in garage in winter. Batteries are not dead but need a small charge to jumpstart them.

Is my Ryobi battery under warranty?

Your RYOBI battery is covered under a three year limited warranty. If a battery comes in a kit (with the tool and charger), no receipt is required. Call customer service (1-800-860-4050) with any battery issues and they will be able to assist or direct you to the closest service center.

How do I revive a dead laptop battery?

To revive a laptop battery that isn't holding its charge, start by unplugging your laptop so it's not charging. Then, leave it on until the battery is fully drained. Next, let your laptop sit, unplugged, for at least 3 hours to ensure it's fully dead.