here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
Meet Your Seller
AJMRTC 4-Channel Current Voltage Power Monitor HAT for Raspberry Pi 5 4B 3B+ Zero 2 W, I2C SMBus INA219 Sensor, Real-Time Each Channel Voltage Current Power Consumption Data Logging for Battery Solar
- - 4 independent monitoring channels, track voltage, current and power separately
- - Based on INA219 zero-drift high-side power monitor chip
- - I2C / SMBus compatible interface, easy wiring and Python library support
- - Stackable HAT design, fits Raspberry Pi 40PIN GPIO header
- - Ideal for battery testing, solar system, IoT power consumption logging
+
+
Overview
Specs
Reviews
Any questions? Ask CelesteSM will help you find out quickly.
Try me now
AJMRTC 4-channel power monitor HAT is a plug-and-play expansion board built with four INA219 chips. It supports real-time independent measurement of voltage, bidirectional current and power consumption for 4 separate loads. The I2C/SMBus interface ensures stable communication with Raspberry Pi, and you can easily read and log data with common open-source Python codes. Standard HAT stacking structure saves space without extra jumper wires. It works well for solar panel monitoring, battery discharge testing, IoT device power analysis and embedded power inspection projects.
Specifications
- Monitoring Chip: INA219 ×4
- Interface: I2C / SMBus
- Bus Voltage Range: 0 ~ 26V DC
- Max Measuring Current: ±3.2A per channel
- Logic Supply: 3.3V
- Sampling Resistor: 0.1 1% precision
- Compatible: Raspberry Pi 5,4B,3B+,3B,2B,Zero W,Zero 2 W
- Mounting Holes: Standard Raspberry Pi mounting layout
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by ConnectFlow USA Return Policy
Manufacturer Contact Info
- For a directory of all our manufacturers, please click below.
- Manufacturers Directory
LOADING...