5PCS Lipo Battery Low Voltage Alarm Tester with Buzzer and LED for 2S 3S RC Drone Battery Monitoring

How to Use: After the battery is assembled on the model, insert the alarm into the balanced charging socket and fix it. Specification: Item Type: Lithium Battery Low Voltage Alarm Material: PCB Package List: 5 x Lithium Battery Low Voltage Alarm

• Dual Warning System: This lipo battery alarm emits a loud buzzer sound and flashes an LED light when any cell voltage drops below 3.0V providing clear alerts.
• Real Time Voltage Monitoring: Our low voltage alarm continuously monitors each cell in your 2S or 3S lithium battery pack during use to prevent over discharge.
• Compact and Lightweight: The battery voltage tester is small and lightweight so it adds minimal bulk to your RC aircraft car or drone.
• Battery Life Protection: This 2s 3s battery alarm helps extend battery lifespan by alerting you to stop using the pack before it becomes critically low.
• Easy to Use: The rc battery alarm simply plugs into the balance port of your LiPo battery and begins monitoring with no complex setup required.