4 pc RC Lipo Battery Monitor Alarm Tester Checker Low Voltage without heat shrnk
Use for 1-8s Lipo / Li-ion / LiMn / Li-Fe battery. Compatible for 1-8S Lipo/ Li-ion/ LiMn/ Li-Fe battery. Straight pin. Alarm set value range: OFF-2.7V-3.8V. Colour Red. Test the working state of lithium battery.