The TBB-BM500 is a high-precision battery shunt designed for real-time monitoring of battery voltage, current, and state of charge (SoC). With a wide working voltage range of 6V to 95V DC, it is compatible with 12V, 24V, and 48V battery systems. When paired with TBB’s monitoring display, the BM500 provides crucial battery insights, including charge and discharge current, remaining capacity, time-to-go estimates, and temperature readings.

Key Features:

• High Current Rating: Measures up to 500A for precise battery monitoring.
• Multi-System Compatibility: Works with 12V, 24V, and 48V DC batteries.
• Supports Multiple Battery Types: Compatible with AGM, GEL, WET, and Lithium batteries.
• Accurate Measurements:
  • Current Accuracy: ±0.4%
  • Voltage Accuracy: ±0.3%
• Advanced Communication: Supports CAN and RS485 protocols for seamless integration with monitoring systems.
• Durable & Reliable: Engineered for accurate and consistent performance in demanding environments.
• Contact Ratings: 2A @30VDC or 0.5A @125VAC.

Perfect for off-grid solar systems, RVs, marine applications, and backup power systems, the TBB-BM500 ensures efficient battery management and prolonged battery life by delivering accurate and real-time battery status updates.

For more details and technical specifications, click on the Details and Specifications tab.

Specifications:

• Nominal battery voltage: 7 - 95V
• Nominal current: ±500A
• Battery capacity: 10 - 10000Ah
• Operating temperature: from -20°C to +50°C
• Current Accuracy: ±0.4%
• Voltage Accuracy: ±0.3%
• Dimensions: 105 x 105 x 63 mm
• Weight: 0.3kg

This product is covered by a 5 year warranty. For more information please refer to our Terms and Conditions.

This product is supplied with a user manual which explains connection, operation and installation (see Documents tab).

The following documents are available to download:

User manual for the TBB Power 500A 12V/24V/48V battery shunt (TBB-BM500)