I have seen all kinds of complaints about Dewalt batteries. I went with Milwaukee because I had some trouble with Dewalt corded tools and got f'ed on a warranty, I am glad they f'ed me on the warranty because I now have the absolute best cordless tools on the market.
I'm still using Milwaukee batteries from the first set I bought back in 2012.
Paul
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You do know that a flashing light on the DeWalt charging base means CHARGING, right? In fact,the label states such. When charged, you get a solid light.
Out of the 5 DeWalt charging bases I own, none have an indicator for BAD.
Every Dewalt charger has an indicator for "bad"
Yup... As indicated above, I've done this once or 2wice...
When the light flashes red very fast, and the yellow comes on as well, at normal room temperature, that indicates "bad"
Also, when the power check indicator shows 2 lights and the red goes solid indicating charging is complete within a second of a new battery being placed on a charger, according to Dewalt the battery is "bad", and will not take a charge.
Successfully charged both of the latest 4ah batteries tonight...
Hey man, there is something diff with the new batteries that require a newer charger. Even if they charge with the old charger it won’t be to full capacity.
The knock offs are reacting the same way.
It has something to do with the newer “lifepro” or something like that battery type.
Hey man, there is something diff with the new batteries that require a newer charger. Even if they charge with the old charger it won’t be to full capacity.
The knock offs are reacting the same way.
It has something to do with the newer “lifepro” or something like that battery type.
Note in the above image, I stuck with the older style battery packs. The charger that I have came with an XR style battery in the package.
I bought the ones on E-Bay and they work just like the original Dewalt batteries did. I have had them for almost two years with no problems. They are made in the USA also.
probably three or four years ago probably three I bought a Milwaukee 18 volt grease gun. got home unboxed everything hooked up the battery would not charge.
I was further irritated and going to take it back at the first opportunity. I got the digging on the internet and learned about the jump starting these batteries. the theory behind it is it needs so much voltage to indicate to the charger to charge the battery. these batteries actually have a circuit board inside. so I dug out a Kobalt 20 volt battery that's the appropriate positives and negatives and the wires and hooked "bad" Milwaukee battery to the fully charged Kobalt battery and left it hooked up for like 30 seconds maybe a minute. then the battery proceeded to charge just fine after that.
it has been charged and discharged many times since then but lately it has not charging correctly again . so maybe that battery was not quite right to start with anyway I don't know for sure I just wore it out...
How cold was it when you were trying to charge them? If it was below 32F, that could cause problems. Li batteries won't charge in the cold. Some chargers and some batteries will shut down until they warm up.
Outside temps today were in the high 50s, and I only had them outside for maybe 15 minutes, tops. Got them in my place, to charge, and the thermostat is at 68. Store felt like mid 60s or so.
Ok. That eliminates cold as a possible problem.
“In a time of deceit telling the truth is a revolutionary act.” ― George Orwell
It's not over when you lose. It's over when you quit.
I can't say this for sure but check what kind of battery charger you have. Years ago I had a full Craftsman 19.2 volt set and after several years the Nicad batteries started to die. I went to Sears and they now had Lithium-Ion 19.2 batteries. I bought 3 of them but was told I would need a new battery charger as the one I had would only charge Nicad batteries. I bought the new charger and never had a problem. Could it be you are trying to charge Lithium-Ion batteries on a Nicad charger? I'm throwing this out as a possibility but I could be off base.
FYI--I use Ryobi 18V One-plus stuff now (The 20 year old Craftsman stuff was passed onto my son who still has and uses them) and I have never known or heard of any of my friends to have any issues with their batteries--to include the off brand ones bought off of Ebay.
Ive run dewalt for years. Have had 1 battery fail, 6ah battery. Right out of the package. Called dewalt and they processed and sent me out another. Havent had anything but good luck to this point with dewalt
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