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The HOLYBRO PM02 V3.3 is a reliable power module designed for Pixhawk flight controllers. It provides stable 5.2V power and accurately measures battery voltage and current. It supports up to 12S LiPo, which makes it suitable for high-voltage UAV systems.
The listing says it has a wide 2S to 12S LiPo input range and integrated current sensing up to 120A, with a continuous current rating of 60A and a burst rating of 100A for less than 60 seconds.
A clean power output reduces electrical noise, and the durable PCB and compact, lightweight design suit multirotors, fixed-wing aircraft and VTOL drones.
Wide 2S to 12S input: supports up to 12S LiPo.
Accurate monitoring: voltage and current for the flight controller.
Stable 5.2V output: 3A maximum for reliable FC power.
High current handling: 60A continuous and 100A burst.
Current sensing up to 120A: integrated current sensor.
Clean power: reduces electrical noise.
Lightweight: 20g.
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.
Pixhawk flight controllers on high-voltage builds
Multirotors, fixed-wing and VTOL drones
Battery monitoring and failsafe
Replacing older PM02 modules
Professional UAV power systems
The specification list gives an input of 2S to 12S LiPo, a continuous current of 60A, a burst current of 100A for under 60 seconds, a maximum current sensing of 120A, an output of 5.2V at up to 3A, a voltage divider ratio of 18.182, an amperes-per-volt value of 36.364 and a weight of 20g.
Use the voltage divider and amps-per-volt values when you set up the battery monitor in the flight controller software.
Input voltage: 2S-12S LiPo
Continuous current: 60A
Burst current: 100A (under 60 seconds)
Maximum current sensing: 120A
Output: 5.2V, 3A max
Voltage divider ratio: 18.182
Amperes per volt: 36.364
Weight: 20g
1 x HOLYBRO PM02 V3.3
Builders who need a Pixhawk power module that can handle up to 12S.
2S to 12S LiPo.
5.2V at up to 3A.
Up to 120A.
60A continuous and 100A burst for under 60 seconds.
20g.
Voltage divider 18.182 and 36.364 amperes per volt.
| Brand | Holybro |
|---|---|
| Connector | XT60 |
| Current Rating | 60 A continuous, 100 A burst A |
| Current Sensing | 120 A max |
| Input Voltage | 2S-12S LiPo |
| Output Voltage | 5.2V, 3A max |
| Weight | 20.000000 g |
| Selling unit | PCS |
