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. Support all24V/12V/6V lead-acid batteries and lithium batteries(Include LiFePO4 Lithium Battery), work for trucks, cars, motorcycles, boats, energy storage batteries.
