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  • posted byFatal512 on 10/14/2015

    it's useful product to allow us to stay updated with the voltage of the RC battery and prevent it to get down under the limit and die. there are an alarm to nice that.

    Lipo 3cells alarm Lipo 3cells alarm


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  • posted bySFCNZL on 10/01/2014

    I had these (~6 of them) for a few years now, and use them reguarly. The trigger voltages across cells is not accurate but close enough for use. The red lights start flashing about 3.5volts and the buzzer starts at about 3.3volts. The buzzer is loud enough for planes and quads out to 50 meters or... Read more


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  • posted byzoki008sb on 05/28/2014

    Loud enough to hear it on rc plane from cca 100m away. It saved my bixler 2 once when I used damaged 3S LiPo. It was inside the fuselage and I heard it on time. It would be good to somehow disable connecting of connector in wrong way. But it is not so critical as it can't be damaged that way. Too... Read more

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  • posted bycarloskato on 04/23/2014

    If you use 3S battery and needs a simple, small and light buzzer, it is a good choice of the market... Buzzer sound level is good... LED light brigthness is also good... If it came with protection plastic film will be better for Off Road cars when get weat and also avoid dust. But for on road and... Read more

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  • posted bynirionx on 01/02/2014

    It's easy to use. It works at the first time. It doesn't need anything else just plug&play! The sound is loud enough and 3 green leds indicating if there are enough battery and 3 red leds indicating if there are not enough battery. It comes with a protective translucent plastic covering the... Read more

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  • posted bypezo77 on 04/30/2013

    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. Not adjustable level for switch on buzzer/lighter, but it fix 3.3V/cell - its good for save LiPo I... Read more

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  • posted byitsonlyandy on 02/20/2013

    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. Took a while before it started working for some reason, I thought it a... Read more

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  • posted bytheo44 on 02/14/2013

    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 . Beeps evry time when you plug it in . anoying Simple plastic shrink tube around . Plug from can 2... Read more

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  • posted byJensaH on 02/06/2013

    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. Beeps really, really loud when you plug it in. Sometimes it's hard to see the leds Just heatshrinked a... Read more

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  • posted byLcNessie on 01/03/2013

    Very loud and very easy to interpret. 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. Green means "the is... Read more

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