11.1V Battery Alarm Buzzer for RC Helicopter

SKU: 35609 (Added on -)
Price:
US$
3.94
Shipping: Free Shipping To UNITED STATES
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Ships within 7-10 business days
Direct: Worldwide US
11.1V Battery Alarm Buzzer for RC Helicopter
This SKU 35609 is available in US direct. US: 901035609
The 11.1V battery alarm buzzer is perfect to protect the battery of your RC helicopter. The alarm buzzer sounds and red lights to warn you when the battery voltage is too low. It can prevent your Lipo battery damaged due to low voltage. The battery alarm buzzer if a necessary for your RC helicopter.

- Prevent your lipo battery damaged due to low voltage
- Detect the voltage of each cell in your lipo battery pack
- Alarm for 11.1V Lipo Batteries
- Required the balance charger plug in the battery
Dimensions: 1.57 in x 0.79 in x 0.39 in (4 cm x 2 cm x 1 cm)
Weight: 0.18 oz (5 g)

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Quantity 3+ units 5+ units 10+ units
Rate USD$ 3.49 shipped USD$ 3.48 shipped USD$ 3.47 shipped

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Average Customer Review (20 customer reviews) 5

100% of customers would recommend this product to a friend (20 out of 20)

  • 5 star: 16 (0%)
  • 4 star: 4 (0%)
  • 3 star: 0 (0%)
  • 2 star: 0 (0%)
  • 1 star: 0 (0%)

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  • cheap, simple, small and useful low voltage indicator

    posted by pezo77 on 15:39:53 G4T 30/04/2013 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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.

    Other: If you use an old transmitter with LiPo (like me), it save from damage your battery. If you hear the signal, switch off the transmitter, and it isn't overdischarge the battery.

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  • Get one

    posted by itsonlyandy on 11:55:09 G2T 20/02/2013 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 socket, it doesn't seem to matter if you get it the wrong way round to start.

    Other: Get one, nice and cheap and it might save you a fortune.

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  • handy gard for lipo batteries

    posted by theo44 on 14:30:19 G2T 14/02/2013 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 in 2 ways, but only one way works . Difficult to place neatly in a dashboard or to attach to something. uses 20 mA when attached too battery . So you have to remove it after use .

    Other: Works great, good price . Excellent for hobby and RC batteries . With some work you can build it in a housing .

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  • It beeps, loud!

    posted by JensaH on 11:10:46 G2T 06/02/2013 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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's not weather proofed

    Other: a must for all lipo applications. If you use 3s lipo it's a must! And the price is making it impossible to say no to!

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  • *BEEEP!*

    posted by LcNessie on 09:30:54 G1T 03/01/2013 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 soldered wires may poke through the shrink wrap after extensive use. I haven't seen that happen yet, though.

    Other: A small investment to prevent damage to an object that is easily 150 to 200 times as expensive as this little gadget.

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  • Effective Lipo buzzer

    posted by imanantariksa on 04:20:00 G11T 15/11/2012 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 one and beep frekwensi become high, its time to charge the Lipo. I use this product for my Rc car drift, 20minutes perday.... yes its sound Loud when the Lipo battery reach Low Voltage. Usefull becaise my rc still used brushed dynamo and Esc without Lipo battery low voltage cutt off.

    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.

    Other: buy it, its cheap and safe your Lipo from over discharge

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  • Usefull not only for helis

    posted by trojanek on 04:21:11 G8T 28/08/2012 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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

    Other: Must have for all electro flyers. Reports voltage drop below about 3.2 volts per cell using flashing red LED and quite loud beeping.

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  • 11.1V Battery Alarm Buzze

    posted by Faliceuta on 10:32:57 G3T 05/03/2012 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 audible alarm.
    - Light indicators compact and small.
    - Protected with a plastic cover.

    Cons: - No instruction manual.
    - There are some smaller market.
    - Connector is easily reversed.

    Other: Essential to prevent descargen lipo batteries fully

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  • Good product

    posted by TimelessNL on 06:31:15 G1T 27/01/2012 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 display with actual voltage
    - connector is easily reversed. there should be a plastic plug around the pins so the battery - and + polarity can't be reversed. and wont damage the device or battery itself.

    Other: Still working after after 5 months or more.

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  • very useful, really good for safe flying!

    posted by josh1e on 17:07:37 G8T 31/08/2011 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 hole in the bottom of the canopy. sooo easy to use, no fuss, no messing about.

    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 batteries much easier... well worth the money.

    Other: definately worth the couple of quid, very useful. nice reassurance when your flying your model and forget flight times / need to remember not to drain the battery too much

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