6V 12V 24V Car Battery Monitor Bluetooth Monitor BM7 with Charging Cranking
$33.99
Bluetooth Battery Monitor BM7 works for All 6-24V Lead-Acid & Lithium Batteries + Abnormal Auto Alarm + Charging, Cranking System Test + Temperature. 1pc x Bluetooth Battery Monitor BM7. Search for "Smart Battery 24V" to download the app.
