I just bought a Makita BDF452HW about two or three months ago and
having a problem charging the battery. The one battery charges fine,
but when I put the other battery in, the charger lights flash green
and red alternately. From what I can see, this means that the battery
The battery model number is bl1815. I was wondering if there was a
simple way I can "reset" the battery to fix this. I bought the drill
from home depot and I suppose I could go back there, but I doubt they
will do anything to help me. I also could not find a customer service
email on the Makita page. There's service centers, but I would hate
to bring the battery there because it is a drive from my house.
Thanks in advanced for any help!
Battery infant mortality is a fairly common problem. Should be
replaceable under warranty. Normally box retailers don't do warranty
service but you might get them to trade the whole thing out if you try.
Otherwise, whatever Makita says for warranty service rules...
Its easy to kill a battery, a Nicads are discharged just when the
drill slows, running it down more can reverse a cells polarity, it is
also best to let a pack rest a day before recharging constant use is
hard on it.
The charger w/ the Milwaukee has a temperature sensor built in as I
suppose most better/higher-priced units do. Cheaper, probably "not so
much"...so, I stick it on the charger, when it's cool enough, it starts
I have an OLD Makita 9.6v. drill. I have had these things since they were
new, and have used up at least a dozen of them, wearing many of them out
from commercial use. A few died from falls from the top of carports and
second story windows.
I now have one of the survivors with FOUR batteries. It takes two chargers
and four batteries to get a days work done. And a pisser when you have six
screws to go and not a battery in the crew up to the job.
One of these days, I am going to take my long handled ball peen hammer and
have an orgasmic good time killing the whole lot of them. Then I'll drive
to the borg and buy a decent drill.
I guess Granny's on life support, and it's time to pull the plug.
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