4PCS RC 1-8S Lipo Battery Voltage Tester with LED Indicator & Buzzer Alarm - Li-ion/LiMn Battery Checker with Nylon Cable Ties - Perfect for Drone, RC Car, and Airplane Battery Maintenance

Product Description This product is suitable for various kinds of RC battery, When the voltage is below the set value, it will buzzer with red LED light,The alarm voltage can be set by pressing the button on top of the unit. The voltage the alarm will sound is adjustable between individual cell voltages of 2.7v and 3.8v in .1v increments ,pre-set value 3.3V. A very useful RC Tool for your batteries,Test the working state of lithium battery. Protect your battery fromovercharging or overdischarging. 1.ABS material shell, effective anti-slip and improved comfort 2.Larger and clearer font, loud sound 3.Accurate display and easy to connect 4.Compact design and easy to carry Features and Specifications 1.Display: LED 2.Using for the testing of 1S-8S lithium battery 3.Voltage detection precision:+ / - 0.01V 4.1s test range displayed :3.7V-30Vs 5.Group voltage range: 0.5V~4.5V 6.Total voltage range: 0.5V~36v 7.Low voltage buzzer alarm mode: 1S-8S 8.Setting range of low-voltage alarm: OFF~2.7V~3.8V 9.Used for 1 - 8S LiPo / Li-ion / LiMn / Li-Fe battery Usage: When the voltage is below the set value, it will buzzer with red LED Light. Push key whith can change the voltage settings and save. What it shows on the LED Indicator when it lights at the begining: 1.All voltage of the battery 2.The voltage of the first cell 3.The voltage of the second cell 4.Till the last cell. 5.Back the the all voltage of the battery, and repeat again. Package includes: 4 x RC 1-8S Battery Tester 10 x Nylon cable tie

Design Low Voltage Alarm Mode for 1-8S, Function of Checking Your Lipo Cells Voltage, with LED Display, Large and Clear Font with Loud Sound, Compact Design, Easy to Carry and Connect

Features When the Voltage is Below the Set Value,It Will Buzzer with Red LED Light,Pre-set Value 3.3V.Push Key which Can Change the Voltage Settings and Save

High Material ABS Material shell, Protect the Product, and have a Better Appearance, Measuring the Voltage of the Single-Chip Battery is Accurate, High Accuracy, Prevent Over-Charge or Over-Discharge, Anti-Impact and Heat Resistance

Alarm function There is a Low-Voltage Alarm Function, when the Voltage is Lower than the Set Alarm Value, there will be an Audible Alarm to Avoid Over-Discharge of the Battery

Application Batteries Use for 1-8s Li-Po/Li-ion/Li-Mn/Li-Fe Batteries, Automatic Protects Against Reverse Connection