TC147 Shunt Based Battery Monitor 1.47 Inch Color Screen 8-80V DC 0-150A

TC147 Shunt Based Battery Monitor Overview

The TC147 is a shunt-based battery monitor featuring a 1.47-inch color TFT LCD screen, designed for real-time monitoring of small battery packs. It measures working voltage from 8V to 80V DC and current from 0 to 150A via an external shunt, with ±1% measurement accuracy. The capacity detection function supports a range from 0.1Ah to 999Ah, making it suitable for various battery pack configurations across 12V to 72V systems.

With compact dimensions of 52.4*29.4*9.4mm and a panel cutout requirement of only 48*26.5mm, the TC147 integrates easily into tight instrument panels. The 1.47-inch color screen presents voltage, current, and capacity percentage on a single interface for quick status assessment.

Technical Specifications

Key Features and Advantages

• Shunt-Based Current Measurement with ±1% Accuracy: The TC147 shunt based battery monitor employs an external current shunt for stable and reliable data acquisition across the full 0-150A range. This measurement method delivers consistent ±1% accuracy for both voltage and current readings, ensuring dependable battery status tracking for small pack applications.
• 1.47-Inch Color LCD Display for Clear Multi-Parameter View: The vibrant 1.47-inch color screen clearly presents voltage, current, and capacity percentage readings simultaneously. The color-coded interface improves data legibility compared to monochrome meters, allowing operators to quickly assess battery conditions including charge level and current draw.
• Wide 8-80V DC Voltage and 0-150A Current Range: Covering battery pack voltages from 12V through 72V, the TC147 accommodates common configurations in small energy storage, mobility, and backup power systems. The 0.1-999Ah capacity detection range ensures compatibility with various battery capacities within these voltage and current limits.
• Compact Panel-Mount Design for Space-Constrained Installations: With a slim 9.4mm depth and minimal 48*26.5mm panel cutout, the TC147 battery monitor fits into tight dashboard and control panel spaces where larger meters cannot be accommodated. The 52.4*29.4mm front face maintains a clean, professional appearance.

Typical Applications

• Small Solar Energy Storage Systems: Monitor 12V or 24V battery banks in off-grid solar setups. The shunt-based current measurement tracks charging and discharging currents, while the capacity display helps users manage energy consumption and charging schedules.
• Electric Scooters and E-Bikes: Suitable for 24V, 36V, and 48V battery packs in personal electric vehicles. The 1.47-inch color screen fits within compact dashboard spaces, displaying remaining capacity and real-time current draw during operation.
• UPS and Backup Power Systems: Track backup battery status in small uninterruptible power supplies. The capacity percentage display provides clear indication of remaining runtime, and the compact dimensions allow integration into UPS front panels.
• Golf Cart and Mobility Vehicle Battery Packs: Monitor 36V or 48V traction battery systems. The 0-150A current range covers typical cruise and peak currents for golf carts and mobility scooters, while the color display is easy to read in outdoor cabin environments.

The image above shows the actual electronics manufacturing environment of Shanghai Capdisp Technology Co., Ltd., covering production workstations, electronic manufacturing equipment and the personnel involved in manufacturing and inspection activities.

The TC147 shunt based battery monitor is produced within this manufacturing environment according to the confirmed product configuration and applicable production requirements. Manufacturing activities may include electronic component assembly, product processing, functional inspection and quality-control procedures applicable to the finished monitor.

For the TC147 shunt based monitor, production and inspection requirements follow the specified product parameters, including its 1.47-inch color display, 8–80V operating voltage range, 0–150A current measurement range, shunt-based measurement system and embedded installation design.

The actual production and inspection processes may vary according to the confirmed product configuration and product requirements. Technical specifications, inspection requirements and applicable supporting documentation can be provided according to the confirmed TC147 configuration.

This real manufacturing environment provides first-hand visual evidence of the production setting behind Capdisp's battery monitoring products and helps customers better understand the manufacturing and inspection environment associated with the TC147 shunt based battery monitor.

The TC147 shunt based battery monitor is built for integration into a variety of battery-powered equipment and energy-storage applications. The application examples shown above cover typical equipment categories where shunt-based monitoring is beneficial.

Typical application scenarios include:

• Small Solar Energy Storage – Monitoring 12V and 24V off-grid solar banks with shunt-based charge and discharge current tracking.
• Electric Scooters and E-Bikes – 24V, 36V and 48V battery packs shown on a compact dashboard display.
• UPS and Backup Power Supplies – Capacity and runtime indication for small uninterruptible power supplies.
• Golf Cart and Mobility Battery Packs – Tracking 36V and 48V traction batteries within the 0-150A current range.

The most suitable monitor model and configuration depend on the equipment design, battery voltage, current range, shunt specification, installation method and the required monitoring functions. Customers should confirm the applicable configuration and electrical parameters before selection and installation.

The images above are included as application references illustrating common battery-powered equipment and battery system layouts. Actual compatibility and installation requirements should be confirmed according to the specific equipment and battery system specifications.

The TC147 is designed for embedded installation in equipment panels. Before installation, prepare the mounting opening according to the specified cutout dimensions.

Required Cutout Size: 48 mm × 26.5 mm

With the opening prepared, insert the TC147 monitor from the front of the equipment panel and position the unit correctly within the opening, as illustrated above.

Check the cutout dimensions before installation to ensure the prepared opening matches the required 48 mm × 26.5 mm. The installation method should be applied according to the confirmed TC147 product configuration and installation requirements.

Required panel cutout: 48 mm × 26.5 mm. The illustration shows the recommended front-side embedded installation method for the TC147 shunt based battery monitor.

Frequently Asked Questions

Q: What battery voltages does the TC147 shunt based battery monitor support?
A: The TC147 operates within an 8-80V DC working voltage range, covering common configurations from 12V to 72V systems. The unit is powered directly from the monitored battery circuit.

Q: How is the external shunt connected for current measurement?
A: The external current shunt connects in series on the negative side of the battery circuit. The TC147 measures the voltage drop across the shunt to calculate current flow within the 0-150A range. The shunt is included with the unit.

Q: How do I configure the battery capacity setting?
A: Navigate to the capacity setting menu using the front-panel buttons, enter your battery pack's rated ampere-hour value within the 0.1-999Ah range, and confirm. The monitor uses this value as the reference for capacity percentage calculation.

Q: Can the TC147 monitor multiple battery packs at once?
A: Each TC147 unit monitors one battery pack. For systems with multiple independent banks, install separate units per pack. The compact 52.4*29.4mm footprint allows side-by-side panel mounting of multiple units.