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Description
Matek Ultra-Precise 12C Power Monitor 12C-INA-BMThe Matek Systems Ultra Precise I2C Power Monitor, also known as the I2C INA BM, is a highly accurate power monitoring module designed for use in various electronic applications, including drones and robotics. It features the Texas Instruments INA228 chip, which provides detailed current and voltage readouts with high precision. Features Ultra Precise Monitoring: Capable of measuring up to 150A continuous load current and up to 204. 8A peak current.
The Matek Systems Ultra-Precise I2C Power Monitor, also known as the I2C-INA-BM, is a highly accurate power monitoring module designed for use in various electronic applications, including drones and robotics. It features the Texas Instruments INA228 chip, which provides detailed current and voltage readouts with high precision.
Features
- Ultra-Precise Monitoring: Capable of measuring up to 150A continuous load current and up to 204.8A peak current.
- Wide Voltage Range: Measures voltage from 0V to 85V.
- High Accuracy: Voltage accuracy of ±0.1% and current accuracy of ±2%.
- Temperature Range: Operates effectively between -40°C to 125°C.
- Low Power Consumption: Consumes only 1mA of power.
- Plug-and-Play: Requires no calibration and is ready to use out of the box.
- Compatibility: Fully compatible with ArduPilot firmware, making it suitable for various setups.
- Compact and Durable: Its small form factor (27mm x 20mm x 6mm) and robust design ensure easy integration and durability.
Specifications
- INA228 85-V, 20-Bit, Ultra-Precise Power monitor IC With I2C Interface
- Battery Voltage sense input: 0~85V
- Current Sense Range: 0~204.8A
- Load current on current sensing resistor: 150A(Continuous), 204.8A(Burst)
- Voltage accuracy: ± 0.1%
- Current accuracy: ± 2%
- Interface: I2C (Decimalism Address 69 by default, 68 and 65 options)
- Power supply for I2C-INA-BM board : 4~9V @5V pad/pin
- Power consumption: 1mA
- LED Red, 3.3V indicator
- Operating Temperatures: -40~125 °C
- Physical
- Board Size: 27mm*20mm*6mm. 4g
- 3D file : I2C-INA-BM_STEP.zip
- Parameters
- BATT*_MONITOR ->21 (INA2XX)
- BATT*_I2C_ADDR -> 0 (or 69, 68, 65)
- BATT*_I2C_BUS -> 0/1/2 , depends on the FC I2C bus connected
- BATT*_SHUNT -> 0.0002
- BATT*_MAX_AMPS -> 204.8
Includes
- 1x I2C-INA-BM board
- 1x JST-GH-4P to JST-GH-4P 20cm silicon wire
Browse more
- Browse all Matek
- Browse all FC Accessories
- Browse all Flight Controllers
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1702 reviews
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Product Reviews
★★★★★ 4
It's a functional organizational tray
I bought this valet tray for my nephew to be able to organize his go-to items, such as his cell phone, wallet, watch, bracelet, etc. I expected the tray to look more upgraded. The compartments are shallow, but they do the job. It is made of a cardboard-type material ( corkboard would have been nicer), and the black platform is a metal construction, which gives it a more stable and solid structure. Overall, for the price and its functionality, I guess it was worth the purchase.
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Really wonderful
Beautiful and realy convenient to use.
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Good bang for buck
Nice and budget friendly valet tray, would buy again!
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Reviewed in the United States on January 19, 2026
★★★★★ 5
Great organizer! No more lost stuff!
We bought this for a friend who was always misplacing his keys, badge, wallet, etc... This has helped him get his every day carry stuff organized and he has not "lost" anything since.
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Reviewed in the United States on May 13, 2026
★★★★★ 4
Good value, but buyers should be aware that the metal base extends only on edges
I think this tray is a good value compared to other vendor's products that are $100+. I plan to keep it because it is a good value for me. HOWEVER, realize that the metal base does not extend across the full base of the cork liner. Metal pieces are only on the edge of long side of the liner. Also, the metal is lightweight.
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Reviewed in the United States on March 10, 2026
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