Do these beep constantly once the voltage setting is reached or will they stop beeping when the cells recover?

The other answers are inaccurate in my experience. This buzzer does NOT stop beeping once the cells recover, and it is *incredibly* frustrating and annoying. I have only tested 2 of them, but 2 of my 5 were set to 3.7v, dropped below that voltage on a punchout, and continued to beep all the way to the ground. When I checked, the beeper was still beeping, despite the batteries being 4.0v per cell on all 3 cells.

Is the alarm loud enough to hear if plugged into you're RC airplanes 👂👂

Not if you are using a1S (3.7V) battery. 3S or more (11.1 or more) it is pretty loud. Although It does measure the 3.7Volts. If you look on YouTube (rcsaylors) he explains how it works.

Is there an answer to 1S not working? Is there a fix?

Just tested mine with a 1s - works fine. I did have to make an adapter to make it work as my battery is off brand for my plane. Was easy to do and quick... Not sure why the OP is saying it won't work...

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CAMWAY 5PCS 2in1 1-8s Lipo Battery Voltage Tester,RC Low Voltage Buzzer Alarm,Battery Monitor Checker Tester for 1-8s Lipo/Li-ion/LiMn/Li-Fe

CAMWAY 5PCS 2in1 1-8s Lipo Battery Voltage Tester,RC Low Voltage Buzzer Alarm,Battery Monitor Checker Tester for 1-8s Lipo/Li-ion/LiMn/Li-Fe

Product ID: 72059150

Details

Brand
CAMWAY
Color
A
Item Weight
45 g
Power Source
Battery
Style
Digital

📊Real-time LED voltage display

🔋1-8S multi-chemistry support

🚨Adjustable low voltage buzzer alarm

R527

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Stay charged, stay ahead — never miss a beat with CAMWAY’s smart battery watchdog!

COMPACT PORTABLE 5 PACK - Five lightweight testers ensure you’re always ready to monitor multiple batteries on the go.
CUSTOMIZABLE SAFETY ALERTS - Set your own low voltage alarm threshold with a push button to protect your batteries from damage.
REVERSE POLARITY PROTECTION - Automatic safeguard against incorrect battery connection keeps your devices safe and hassle-free.
PRECISION VOLTAGE MONITORING - Clear LED display shows individual cell voltages, total voltage, and remaining capacity at a glance.
UNIVERSAL BATTERY COMPATIBILITY - Seamlessly tests 1-8S Lipo, Li-ion, LiMn, and Li-Fe batteries for all your RC and drone needs.

The CAMWAY 5PCS 2in1 Battery Voltage Tester is a compact, versatile tool designed for professional RC enthusiasts and drone pilots. Supporting 1-8S Lipo, Li-ion, LiMn, and Li-Fe batteries, it features a bright LED display for real-time voltage readings, customizable low voltage buzzer alarms, and built-in reverse polarity protection. This 5-pack ensures you can monitor multiple batteries efficiently, preventing overcharge or overdischarge and extending battery life.

Specifications

ASIN	B07DC3LH9C
Best Sellers Rank	#202,318 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #22,440 in Electrical Equipment
Brand Name	CAMWAY
Color	A
Compatible Devices	RC cars, drones, and other remote-controlled devices using 1-8s Lipo/Li-ion/LiMn/Li-Fe batteries
Customer Reviews	4.7 4.7 out of 5 stars (1,826)
Item Dimensions	1.57 x 0.98 x 0.43 inches
Item Weight	45 g
Manufacturer	CAMWAY
Measurement Type	Voltmeter
Minimum Operating Voltage	3.3 volts
Model	CAM001M
Number of Items	5
Number of Packs	5
Part Number	CAM001M
Power Source	Battery Powered
Style Name	Digital
UPC	731717871804

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