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Readytosky Lipo Battery Checker RC Battery Low Voltage Buzzer Alarm Voltage Tester Monitor for 1-8S Lipo Life LiMn Li-ion Battery(4PCS)

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$10.89

$ 4 .99 $4.99

In Stock

About this item

  • ★Wide use range - Use for 1-8s lipo/li-ion/limn/li-fe rc drone battery.
  • ★Small Size - 1.57*0.91*0.43 Inch, Weight: 10g/1pc.
  • ★Super loud - Super loud alarm sound makes it easier to find your drone.
  • ★Easy to use -Just plug into the balance plug, the LED will cycle through the individual cell voltages as well as list the total voltage.
  • ★Display Mode: Battery cell voltages, total voltages, lowest cell voltage, Remaining battery capacity.



Product Description

RC 2-8s Lipo Battery Tester Monitor Low Voltage Buzzer Alarm Voltage Checker with LED Indicator for Lipo LiFe LiMn Li-ion Battery

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Specification:

  • Use for 1-8S Lipo/Li-ion/LiMn/Li-Fe
  • Voltage detection precision: +_0.01V.
  • Unit voltage display range: 0.5~4.5V
  • Total voltage display range: 0.5~36V
  • 1S test mode voltage range: 3.7~30V
  • Low voltage alarm mode for 2-8S
  • Alarm set value range:OFF~2.7~3.8V

  • Size: 40mm x 25mm x 11mm
  • Weight: 9g

  • Easy to use - works with any 1-8S Lipo/Li-Ion/LiMn/Li-Fe RC drone battery.
  • Protect the battery from overcharging and overdischarging.
  • Super loud alarm sound makes it easier to find your drone.

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Package includes:

4pcs 2 in 1 RC 1-8s lipo battery tester battery low voltage alarm buzzer and LED indicator


Princess
Reviewed in the United States on August 21, 2024
Two out of the four pack did not work. The other two work just fine.
Michael Slade
Reviewed in the United States on April 26, 2024
Perfect for checking power levels on the fly
Hubbas queen
Reviewed in the United States on March 12, 2023
Wish they came with directions but it doesn’t hurt the product if u mistakingly plug it in backwards so if it doesn’t work one way plug it in the other way & I wish there was a way to calibrateAfter this seller reached out to me & explained that the directions are conveniently located on the items what a great product it has saved my li-po batteries 🔋 10 fold I kept burning cells in my packs from esc’s that don’t cut off properly now I just have to wait for the Li-po alarm to stop running my batteries 🪫 dead 💀
Twin FlaP
Reviewed in the United States on August 31, 2022
Works great & loud AF
Lang
Reviewed in the United States on April 27, 2018
I love these, wish I had gotten them a day sooner because I had to put my quad down in a yard I can't find, but that's ALL on me.Nice and loud, just perfect for my needs.Even with older eyes you can hear the alarm really good ha ha ha ha.
Mike J
Reviewed in the United States on April 18, 2018
Work great at a cheap price. I use them as an affordable loss prevention. I velcro it to the quadcopter and if all else fails when lost, I can wait for the battery to drain and find it quick. Not foolproof, I guess it could take till 2am to drain and then there is a mysterious screaming drone and someone else could find it. In that scenario, I`ve already looked for it and gave up anyway. But, it's something that *may* help. As far as just working to check battery, they work fine but for that usage, it's unnecessarily loud when you plug it in. Overall, I can recommend.
Chuck
Reviewed in the United States on March 28, 2017
These work great for checking cells before and after battery use. I like that you can set an alarm at a specific voltage to let you know when your battery is at that specified voltage. I use them on my airplanes because the alarm is loud enough to hear when the airplane flies by.
Biggins McSauce
Reviewed in the United States on February 16, 2017
Love these things! Worth their weight in gold; VERY useful for goggles and drones! I glued one of these to my FPV goggles to keep from ruining my lipos, works great, lets me know when to change out batteries before they explode (lol)--I did find it a bit too loud to be so close to my ears being mounted to my goggles, so I put a little hot glue over the alarms to make them much quieter--Obviously I did not modify the voltage alarms I keep on my drones; need those to be loud as possible! I merely glued the speakers shut for the voltage alarm I mounted to my goggles to preserve my hearing! Great all around item to have for RC/Paintball enthusiast in your life!
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