Battery Checker / Low Voltage Alarm 2 in 1

Battery voltage checker

check total voltage and individual cells. 

Can even be permanently mounted in your boat for a loud alarm when voltage is low.

Alarm is loud,  you are warned!

• 2 in 1 Tester - Voltage Checker & Low Voltage Alarm All In One,Battery monitoring alarm tester, low voltage alarm mode: 1S-8S, alarm set value range: OFF-2.5-3.8, voltage detection precision: +/-0.01V.Reads Individual Cell Voltage & Total Pack Voltage.