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The Holybro Power Module PM02 is a precision-engineered power module that supplies clean, regulated voltage and current to a drone's flight controller and onboard electronics. It is built for reliability and accuracy, and it continuously monitors real-time voltage and current data.
The listing describes a compact design with robust connectors that suits many UAV platforms, from hobbyist builds to advanced autonomous drones. It also adds over-current and over-voltage protection.
The listing also states that this PM02 uses an analogue data output and is not compatible with the Pixhawk 5X, which needs a digital power module such as the PM02D.
Stable, regulated power: delivers steady power to the flight controller.
Voltage and current sensing: accurate real-time battery monitoring.
Clean output: reduces electrical noise.
Simpler wiring: combines the power supply and monitoring.
Wide compatibility: works with many flight controllers.
Protection: over-current and over-voltage protection.
A power module sits between the flight battery and the rest of the aircraft. It does two jobs: a built-in regulator (a BEC) converts the battery voltage to a clean 5V-class supply for the flight controller, and a current and voltage sensor reports how much power the aircraft is drawing. The flight controller uses the readings for battery-level warnings, failsafe decisions and flight logs.
For the readings to be trustworthy, the flight controller's battery monitor needs to be set up for the module. Enter the correct voltage and current scaling values, and compare the reported voltage with a multimeter at the battery to calibrate it. A wrong scale factor can make a battery look fuller or emptier than it really is.
Do not use the regulator to power servos or other high-current devices unless the manual says it can, because a heavy load can pull the supply down and reset the flight controller. Keep the module cool and make sure that the solder joints and connectors are secure, because this part carries the full current of the aircraft.
Multirotor builds with analogue power ports
Fixed-wing and professional UAVs
2S to 12S battery systems
Battery monitoring and failsafe
Replacing an older Holybro power module
The specification list gives an item type of module, a UBEC input voltage of 7 to 51V (2 to 12S LiPo), a rated current of 60A, a maximum of 120A for under 60 seconds and a maximum current sensing of 120A. The battery type is listed as 12S.
Because the PM02 is an analogue module, it is not compatible with the Pixhawk 5X, which requires a digital module such as the PM02D.
Item type: module
Input voltage: 7-51V (2-12S LiPo)
Rated current: 60A
Max current: 120A (under 60s)
Max current sensing: 120A
Output: analogue
Compatibility note: not for Pixhawk 5X (use PM02D)
1 x Holybro Power Module PM02
Builders of 2S to 12S aircraft with analogue power-monitor ports.
7V to 51V (2S to 12S).
60A, with 120A for under 60 seconds.
Analogue.
No, that needs a digital module such as the PM02D.
Over-current and over-voltage protection.
One Holybro PM02 power module.
| Brand | Holybro |
|---|---|
| Current Rating | 60 A rated, 120 A max (<60 s) A |
| Current Sensing | 120 A max |
| Input Voltage | 7-51V (2-12S LiPo) |
| Output | Analog voltage and current |
| Selling unit | PCS |
