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11.1V Battery Alarm Buzzer for RC Helicopter

11.1V Battery Alarm Buzzer for RC Helicopter

3.46

5 (20 Reviews)

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  • 4 Star:204 (20%)
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    • Overall Rating: 4
    • Price: 3
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    cheap, simple, small and useful low voltage indicator

    posted by pezo77 on 04/30/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

    Pros:
    This device is a small, and very lightweight alarm signal stuff (ideal for planes, helis). Indicate all of cells with separeted leds: one green for good voltage, one red for undervoltage - pro cell.
    Cons:
    Not adjustable level for switch on buzzer/lighter, but it fix 3.3V/cell - its good for save LiPo battery cells.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Get one

    posted by itsonlyandy on 02/20/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 day to 1 week

    Pros:
    Saves you from smashing a model to bits when the battery runs out, small and light weight, it has led's as well as a beeper. It measures and displays the status of each cell, Red LED's on one side and Green LED's on the other.
    Cons:
    Took a while before it started working for some reason, I thought it was faulty to start. Plug it into the battery charge socke...
    View Detail » 
    • Overall Rating: 4
    • Price: 4
    • Quality: 4
    • Ease Of Use: 3
    • Usefulness: 4
    2 DXPoints
    earned for this post
    handy gard for lipo batteries

    posted by theo44 on 02/14/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    Very light and small, good for RC helicopter use. I use it for bicycle lighting system. So I don't drain the battery too much . Beep is very loud so you can hear it in traffic well. simple mounting .
    Cons:
    Beeps evry time when you plug it in . anoying Simple plastic shrink tube around . Plug from battery can be mounted i...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    It beeps, loud!

    posted by JensaH on 02/06/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    Loud makes it possible to hear it far away on the quad. At the moment i got a not to good 3s lipo. So it feels safe to have it as a reminder when to land. Shows which cells that are low battery.
    Cons:
    Beeps really, really loud when you plug it in. Sometimes it's hard to see the leds Just heatshrinked casing on the pcb, so it'...
    View Detail » 
    • Overall Rating: 5
    • Price: 4
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    *BEEEP!*

    posted by LcNessie on 01/03/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    Very loud and very easy to interpret.
    Cons:
    It's easy to turn the connector around, but the whole thing is protected against that. Although this hasn't happened yet, the s...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Effective Lipo buzzer

    posted by imanantariksa on 11/15/2012 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    its small, sound loud, beep in first connect to Lipo, green led light show how many lipo cell in good or safe lipo voltage. I used this product with my 2s 7,4 volt lipo. Red led blinking first and when the voltage reach the tresshold, its sound Loud... beep...
    Cons:
    need double tape to mount it to my rc car. When i use this with cheap double tape its fall down but still connect to Lipo.
    View Detail » 
    • Overall Rating: 4
    • Price: 3
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Usefull not only for helis

    posted by trojanek on 08/28/2012 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    - more or less appropriate price - good quality - satisfying dimension and wight - can be used even for 2s, works fine
    Cons:
    - could be louder - can be easily connected with the wrong polarity
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    11.1V Battery Alarm Buzze

    posted by Faliceuta on 03/05/2012 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    - I have used many different batteries and I have always worked well. - Small size. - Prevent your lipo battery damaged due to low voltage. - Detect the voltage of each cell in your lipo battery pack - More Cheap. - Easy to check battery status. - Download ...
    Cons:
    - No instruction manual. - There are some smaller market. - Connector is easily reversed.
    View Detail » 
    • Overall Rating: 4
    • Price: 4
    • Quality: 4
    • Ease Of Use: 4
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Good product

    posted by TimelessNL on 01/27/2012 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    - Cheap - easy to check battery status - laud buzzer - protected with a plastic cover
    Cons:
    - Cant be used on any battery while in flight(will buzzer because the voltage will drop on some batteries) - Should include a d...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    very useful, really good for safe flying!

    posted by josh1e on 08/31/2011 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    I have only tried this on 11.1v 3S Lipo batteries. It works as described. when the voltage gets too low, the alarm sounds and lights change. With a TREX 450 size heli and higher, the buzzer will connect easily to the charging socket and hang neatly from the...
    Cons:
    This is such a cheap lipo protection device and sooooo easy to use. It has made flying time and not dropping the voltage on the...
    View Detail » 
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