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The APM power module is a simple way of providing your APM with clean power from a LiPo battery, and of measuring current consumption and battery voltage, all through a 6-position cable. The onboard switching regulator outputs 5.3V.
The module comes completely assembled with connectors and is wrapped in shrink tubing for protection. This listing is for the version with an XT60 plug, suitable for APM 2.8, APM 2.6, APM and Pixhawk flight controllers.
The listing describes the 6-position DF13 cable as plugging directly into the flight controller's PM connector.
6-pos DF13 cable: plugs directly into the PM connector.
Voltage and current measurement: configured for 5V ADC.
Switching regulator: 5.3V output.
Battery support: from 2 cell to 6 cell.
Fully assembled: protected with shrink tubing.
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.
APM 2.6 and 2.8 flight controllers
Pixhawk, PX4 and Naze32 controllers
Battery voltage and current monitoring
Replacing a damaged power module
Multirotor and RC aircraft builds
The page's specification list gives a maximum input voltage of 20V and a maximum current sensing of 90A. It states a regulator output of 5.3V with 2.25A maximum, while a feature line and the title mention 3A, and it also says the module supports 2 to 6 cells. Because these figures differ, check the seller if you need to work close to the limits.
The package contains one APM power module V1.0 with an XT60 plug.
Maximum input voltage: 20V (per specification list)
Maximum current sensing: 90A
Measurement: configured for 5V ADC
Regulator output: 5.3V (2.25A max per specification list, 3A in title and features)
Cable: 6-pos DF13 to the PM connector
Battery connector: XT60 plug
1 x APM power module V1.0 with XT60 plug
APM and Pixhawk builders who want a fully assembled XT60 power module.
APM 2.6/2.8, Pixhawk, PX4 and Naze32.
90A.
5.3V.
A 6-position DF13 cable.
Yes, fully assembled and wrapped in shrink tubing.
The listing quotes 2.25A in the specifications and 3A in the title and features.
| Brand | Generic |
|---|---|
| BEC Output | 5.3V |
| Connector | XT60 |
| Current Sensing | 90 A max |
| Selling unit | PCS |
