Online shop
- Flexible CIGS solar panels
- Semi-flexible Solar Panels
- Rigid Frame Solar Panels
- Folding Solar Panels
- Semi-flexible Solar Kits
- Rigid Frame Solar Kits
- Dual Battery Solar Kits
- Solar Charge Controllers
- Wind Power
- Inverters
- Batteries
- Battery Chargers & Monitors
- Portable Power Stations
- Vehicle Power Management
- Complete Renewable Systems
- UPS Systems
- Solar Lighting Systems
- Cable
- Accessories
- Discounted Items
TELL A FRIEND ABOUT THIS PRODUCT
Testimonials:
As described . Excellent . Quick delivery. A delight. Thanks!
Mark (Melton Mowbray, Leics, UK)
We are a trusted supplier to thousands of UK clients

Battery Monitors
TBB Power MBM battery monitor kit with BM500 battery shunt
Phone order?
0203 150 1111
and quote the product code below
The TBB Power MBM Battery Monitor Kit combines the TBB-MBM battery monitor and the TBB-BM500 high-precision battery shunt into one complete package, providing everything you need for accurate, real-time battery monitoring. This kit is designed for 12V, 24V, and 48V battery systems, offering precise readings of voltage, current, state of charge (SoC), remaining capacity, and time-to-go estimates.
The TBB-MBM monitor displays key battery parameters on a clear screen and allows you to switch views using simple button controls. Users can access settings to configure battery type, capacity, buzzer alarms, and more. The monitor also displays warning codes to help identify battery or system issues quickly.
The TBB-BM500 shunt is rated for up to 500A and ensures accurate readings with ±0.4% current accuracy and ±0.3% voltage accuracy. Its wide operating voltage range of 6V–95V DC makes it suitable for a wide variety of applications, including AGM, GEL, WET, and Lithium battery systems. It also supports CAN and RS485 communication for system integration.
With Bluetooth connectivity, this kit works with the TBB BM500 App (available on the Google Play and Apple App Store), allowing you to monitor your battery status remotely from your phone or tablet.
Key Benefits:
-
Complete monitoring solution – includes MBM display and BM500 shunt
-
Accurate readings for voltage, current, SoC, capacity, and temperature
-
Works with 12V, 24V, and 48V battery systems, including lithium
-
Easy-to-use interface with customizable settings and alarms
-
Bluetooth app connectivity for remote monitoring
-
Ideal for off-grid solar, RVs, marine, and backup power systems
The TBB-MBMKIT is perfect for anyone who needs precise, reliable, and easy-to-read battery monitoring to ensure optimal performance and longer battery life in demanding applications.
For more details and technical specifications, click on the Details and Specifications tab.
TBB-BM500 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
TBB-MBM specifications:
- Dimensions: 110 x 78 x 32 mm
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 MBM battery monitor for BM500 battery shunt (TBB-MBM)