Battery Monitor – ANCEL BM300 Pro

Overview

The BreathTrailer is equipped with an ANCEL BM300 Pro Smart Battery Monitor, providing real-time battery health monitoring, charging diagnostics, and historical performance data through a mobile application.

This system allows owners to actively monitor battery condition, helping prevent unexpected power loss during off-grid or campsite operation.

System Capabilities

Real-Time Monitoring

The ANCEL BM300 Pro continuously monitors battery voltage and system health, providing live data directly to your smartphone.

Supports 6V / 12V / 24V battery systems
Measures battery voltage and charge status
Tracks charging and discharging behavior
Logs historical battery data automatically

Mobile Application

Smart Battery App

The system connects via Bluetooth to the Smart Battery mobile application.

Application Features: - Available for iOS and Android - Free download - Supports monitoring multiple batteries - Automatic data synchronization - Alert notifications for abnormal conditions

Diagnostic Functions

Advanced Diagnostics

The ANCEL BM300 Pro provides diagnostic insights beyond simple voltage readings.

Battery health analysis
Cranking system testing
Charging system verification
Historical test records storage

This helps identify weak batteries, charging issues, or system faults early.

Electrical Safety & Protection

Built-In Protection

Designed for permanent installation and continuous operation.

Reverse polarity protection
Short-circuit protection
Ultra-low power consumption (~1mA average)
Safe for long-term connection

Installation Notes

Installation Information

The battery monitor is pre-installed and permanently connected to the battery system.

No user configuration required
Operates automatically when the battery is connected
Designed for DIY users and professional service environments

Supported Use Cases

Off-grid camping
Long-term battery health tracking
Preventative maintenance
Electrical system diagnostics
Multi-trailer or multi-battery monitoring

Summary

Why This Matters

The ANCEL BM300 Pro adds an extra layer of reliability and confidence to your BreathTrailer’s power system by giving you full visibility of battery performance at all times.