• Reviews around battery (1.86 of 5)

    Nulaxy Bluetooth Car FM Transmitter Audio Adapter Receiver Wireless Hands Free Car Kit W 1.44 Inch Display - KM18 Black

    • Sucked my car battery down when I left it plugged
    • Poor volume control, some static especially in overpasses, and stays on draining auto-battery
    • I keep the device plugged in all the time in my car, which is good for picking up where you left off, but in my wife’s car the device stays on and could drain the battery - just a difference is how the car is wired
    • Doesn’t drain battery.
    • n’t using it because if you leave it in, I heard it drains your car battery
    • the battery - broke off after a few months
    • So using my phone as a GPS plus music on a 45 minute drive meant killing my battery
    • Only annoying thing is that you have to take it out when you leave the car or it will drain the battery.
    • Wish I had bought it years ago instead of using a blue tooth speaker that drains the battery quickly
    • That and the idea that it drains the battery if you forget to disconnect it.
    • If you leave this device plugged in your vehicle it will drain your vehicles battery down
    • What I find interesting is that it needs to be removed from 12v outlet to avoid draining the car battery
    • It drained my battery :(
    • My issue was this morning when I woke up to a dead car battery
    • What I don't like about this product is that it stays on so it will drain you car battery
    • This mean that I need to physically remove it fromthr socket every time I leave the car or it will drain the battery.
    • Don't let your battery go dead
    • I do wonder if I need to unplug it so it does not drain my car battery or not
    • If left in 12 V plug in it will drain car battery.
    • One one complaint is that it remains operational even when the vehicle is turned off and possibly may drain the battery overnight
    • I used it for a few hours with my car on and it STILL KILLED MY BATTERY
    • The product drains battery
    • I would also like to add it sucked out my car battery when I left it plugged in
    • That fact should be advertised prominently on the front page so people don't kill their batteries
    • But this version you have to take out every time you park or it will drain your battery.
    • I do have to make sure to pull the device out overnight in case it will drain my battery, but it's such a small
    • Unless you are going to remember to unplug it every time you might end up with a dead car battery.
    • It doesn't drain my car battery when my car is off like some other reviews said, so they must have fixed that issue.
    • my phone and sound quality is pretty darn good, I just wish there was a built in power button, This thing is always on once you plug it into your car so it can kill your battery if you forget to unplug it.
    • The manual does say that "some cars, including many Chevrolets" will require the unit be removed to not drain the battery
    • The one thing I don't like is that I don't see a power button and as some reviewers have said, I'm afraid to just leave it plugged in for fear of it draining my battery, so I pop it out every time (which isn't easy, it fits pretty
    • so I have to be careful to always remove it when I get out of the car so it doesn’t drain my car’s battery.
    • Unfortunately, I should have bought the model with the on/off button because this device drains my battery if I forget to unplug it.
    • Kills your car battery fast.
    • Otherwise, this may drain your battery if you leave it plugged in
    • It also has a feature that shows the input voltage at the charging port when it turns on, which is handy for keeping track of how much I'm draining the battery when I have the radio on with the car off (e.g. to have tunes when I'm working on it), and to see how my alternator is working
    • Quick note - certain older cars will still draw power through the cigarette lighter port even when the car is off, so make sure you unplug it in order to prevent it from draining your car battery.
    • It's a great product all-around, and it's very easy to use, but it kills your battery if you don't disconnect it
    • I also want to note that it does not drain your car battery if left plugged in at all times
    • Do not leave plugged in for too long it will drain the car battery...instructions say this and it is true.
    • My outlet stays on all the time, so I have to unplug as not to drain my battery, but I have zero issues with this....
    • Nulaxy says to unplug it in this case to turn it off to keep from draining the battery
    • Since it never shuts off and will contantly search for a device, I dont fully trust leaving it plugged in to the cigarette lighter in fear of it draining my battery.
    • Cool if I want to change my phone when I go inside a store but other than that I don't need to accidentally drain my battery, which I've never done
    • The recommendation is that you remove it after you turn the car off to not drain the battery, but I noticed that at least in my car, I didn't need to do it as it wasn't draining the battery when the car was off (when starting the car, the unit tells you what your car battery's voltage is)
    • Its also crazy to me that this thing still drains the battery when the car if off
    • so I didn’t know about the lack of on/off button and it drained my car battery when it was sitting one day off too
    • like is that I have to unplug it every time I turn the car off, even if I’m just running in the store for a couple minutes, because it stays turned on and drains the car battery
    • Thus I have to unplug it every time unless I want to drain my car battery.
    • It works great, but needs an on/off switch so that the user doesn't have to unplug it every time so that it doesn't drain your battery.
    • so battery isn’t an issue
    • I can leave mine plugged in and doesn’t drain my battery
    • With my car, it does shut off when I turn off the car, but I'm reading that not all cars do that, and you may drain the battery if you leave
    • Does not have off switch, so if your power outlet or cigarette lighter socket stays on with key off, unit will drain battery in a few weeks if you do not removed unit from socket
    • Completely drained a new battery.
    • Killed my car battery
    • Some reviews mention that it can drain the battery if left plugged in
    • If you forget to remove it (and you will) YOU WILL HAVE A DEAD CAR BATTERY when you return
    • I absolutely hate how you have to pull it out every single time you turn off the car or it will kill your car battery
    • You got an old car whose battery can be a little spotty
    • Killed my battery twice
    • The instructions say to unplug when away from the car because it will drain the battery.
    • So far I unplug it whenever I get out the car, so no battery issues
    • Works very well, no batteries required.
    • Even better is that it came with an aux cord if you don't want to drain your battery with bluetooth
    • I'm worried it will drain my car battery if I forget to unplug it.
    • I was concern about ruin my car battery if it will keep running all the time as some comments say, but with my Camry car, the device turns off itself once I turn off my car.
    • n’t drain my battery over night or
    • I love the product, but taking the device in and out everyday to avoid draining my battery has become a hassle
    • Sucks all the battery from car if you don’t disconnect !!
    • otherwise this will deplete your car battery.
    • I think it is really cool that the KM18 reads the voltage of my battery, could be used as an early indicator for a bad battery.
    • I forgot to pull out the device when I stopped for the night, and the next day my battery was dead, so just check to see if it turns off with your ignition
    • Only problem is that you have to take it out every time you turn off the car because it will stay on and drain the battery
    • One thing I would say is that it could drain your car battery, but other than that great product
    • Also, I decided to disconnect it when out of the car to make sure it is not draining the battery.
    • This device does not drain your battery when the car is off, but sometimes I unplug it when I know I won't be driving for a week or so
    • As a side note, it doesn't have an off switch so making sure its not plugged in when leaving the car after each use so it doesn't drain the car battery is quite a hassle
    • I ended up draining my battery.
    • drained my car battery though
    • I left it in the car overnight and battery was dead
    • It drains the battery to leave it in for any length of time
    • I left it plugged in over night and it killed my car battery.
    • I had hopes and was not disappointed.update: it killed my car battery and then was stolen after it was towed to a shop
    • Not that I think it will drain the battery or anything, but it'd be nice to be able to say "trust this device" for Android unlocking, but I can't because it's on all the time, and I may not be in a place that it makes sense to have my phone never lock due to its distant presence.
    • NO problem draining my battery when left plugged in all day & night, had it for 2wks now.2.
    • otherwise it drains the battery which happened to me once before
    • so if you forgot to unplug it, it wouldn’t drain the battery like other models do
    • Just picky with that sort of thing cause he and me can get a little forgetful and might forget to unplug and drain his car battery
    • It's probably vehicle specific, but i have to unplug this each time I turn the car off so it doesnt drain the battery
    • and I've never actually had a dead battery
    • This is totally fine for me because I don’t like having my bluetooth on anyway as it drains my phone’s battery
    • Too much static and it drained my car battery.
    • The user guide says to not leave it plugged in when the car is off as it may drain your battery
    • Just that it works as it should no connection problem, good quality.
    • Works as it says
    • It’s just as loud as if I’m playing
    • Overall it does seem to work for me as I am not too particular about audio quality over functionality.
    • I previously owned a wired one that started dying out on me and the music quality was suffering a
    • Once that was done, I could stream my music fairly well however the quality is not as good as if I was listening to the radio
    • This transmitter works as it should, but I don't like the design
    • I am actually really surprised that it works as perfectly as it does
    • I'm using it to get Bluetooth connectivity in my 2006 Honda Odyssey and it works as it should.
    • He has a system so we were worried it wasn't going to work as
    • Works as it is expected.
    • Device works as I need it to, there is a bit of static but very small amount, and the audio is good, just wish it could be a bit louder to not get drown out by driving on highway sometimes.
    • Works as it should very happy would recommend to anyone
    • It's frustrating as it's a pretty tight fit, so pulling it out isn't the easiest
    • I was not expecting this device to work nearly as good as it does
    • The Bluetooth transmitter worked as it was supposed great sound paired with my iPhone with no problems the volume was loud as my radio would let it
    • n’t had any issues with it.
    • n’t have to worry abt connecting it every time u get in the car.
    • Other than that, its perfect t!
    • n’t be happier since the alternative was to buy a new stereo.
    • n’t drain my battery over night or
    • n’t annoying me enough to change the station yet)
    • n’t sway from this product being perfect for me
    • n’t buy total rip off and also has no Bluetooth
    • n’t be that easy
    • n’t work right
    • n’t recommend it.
    • n’t have to fumble around with a bunch of cords!
    • n’t interfere with my driving since I
    • n’t had any issues with it.
    • n’t have to worry abt connecting it every time u get in the car.
    • Other than that, its perfect t!
    • n’t be happier since the alternative was to buy a new stereo.
    • n’t drain my battery over night or
    • n’t annoying me enough to change the station yet)
    • n’t sway from this product being perfect for me
    • n’t buy total rip off and also has no Bluetooth
    • n’t be that easy
    • n’t work right
    • n’t recommend it.
    • n’t have to fumble around with a bunch of cords!
    • n’t interfere with my driving since I
    • Calza perfecto y parece muy solido y durable al tacto.
    • Otherwise it can sound static-y
    • The sound quality was a bit static-y and the 9 jack cord that came with it was already pulling away from the product when i pulled in
    • So for the past 7 years or so we have used all different types of FM transmitters and they we static-y and always had interference.
    • it's kinda static-y
    • I used this as an aux and the sound is super static-y
    • Even the guy's voice announcing pairing/waiting for pairing is cool (James Earl Jones-y).
    • I’ve never had an issue with the FM radio station being static-y, and it always connects automatically to my phone via Bluetooth when I hop into my car
    • It can get a little static-y but not the big of an issue, just adjust the volume on either the device, car radio, or phone, or change the stations
    • Some blank channels are better than others, most are somewhat static-y