Ultimate9 Lithium Bluetooth Battery Monitor

Monitoring the health of your vehicle’s lithium battery has never been easier with the Ultimate9 Bluetooth Lithium Battery Monitor (BBML) and the Ultimate9 BM App. Designed for 12V lithium battery systems, this compact device provides real-time insights into your battery’s voltage, cranking performance, and charging system—all through your smartphone.

Key Features

• Voltage monitoring with real-time updates

• Cranking and charging system tests

• 31-day looped history with trip duration tracking

• Stores and reviews previous data logs

• Dual low-voltage alarm settings via app

• Short circuit and reverse connection protection

• Compatible exclusively with lithium-type 12V batteries

• Monitors up to 4 batteries simultaneously via the Ultimate9 BM App

Simple Installation

The Ultimate9 Bluetooth Lithium Battery Monitor installs easily without removing battery terminals or resetting radio codes. Simply loosen the existing nut or bolt, slide the 8mm forked cable under it, and re-tighten. Perfect for cars, SUVs, motorcycles, boats, caravans, and other 12V lithium battery applications.

Real-Time Monitoring via Ultimate9 BM App

Using the Ultimate9 BM App (available on the Apple App Store and Google Play), you can view real-time battery data, set alerts, and name up to four connected batteries for organized tracking.
Each battery’s performance—voltage, cranking results, and charge state—is continuously logged and displayed in an easy-to-read format.

Ideal For

• Monitoring lithium batteries in vehicles, motorhomes, and marine systems

• Keeping track of auxiliary or stored batteries

• Off-roading, caravanning, and recreational use

*This model is compatible with LITHIUM-type batteries only*

Specifications

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