Crazepony 4pcs Littlebee 20A Mini ESC Oneshot125 Electronic Speed Controller 2-4S Brushless for FPV Multicopter Quadcopter

Specifications:
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

Easy to use - works with any 1-8S Lipo/Li-Ion/LiMn/Li-Fe
Just plug into the balance plug and the LED will cycle through the individual cell voltages as well
You can set the alarm from 2.7 to 3.8V per cell or you can turn the alarm off
Super loud alarm sound
Dimension: 1.5"(L) x 0.4"(H) x 1"(W)
Easy to use - works with any 1-8S Lipo/Li-Ion/LiMn/Li-Fe
Just plug into the balance plug and the LED will cycle through the individual cell voltages as well
You can set the alarm from 2.7 to 3.8V per cell or you can turn the alarm off
Super loud alarm sound
Dimension: 1.5"(L) x 0.4"(H) x 1"(W)

Top WaffleMaker Reviews

SMAKNÂ 1-8S Battery Checker and Low Voltage Buzzer Alarm Plus BlueMart Cable Tie;