Next generation mobile monitoring

  • Simple, easy to use and a full set of features

  • Always the right settings for every task

  • See what you record

  • Ergonomically designed for a good grip


The BATLOGGER M2 is the new mobile bat detector for transect and active surveys. It’s our newest addition to the BATLOGGER family. Finally a worthy replacement for your BATLOGGER M.

Up and running in seconds and always with the right settings to suit your application.
Record and display ultrasonic bat calls with an easy to use device.

Next generation mobile monitoring


Details matter. Charging with USB, easily changeable microphone, intuitive menu. Everything is a bit better than before.

BATLOGGER M2 ultrasonic bat detector

The ideal tool for bat workers

The BATLOGGER M2 is easy to use and provides all the features you need in a bat detector. You can tag recordings during your survey and make voice recordings with additional information, so that it’s the only tool that you need to have with you.

BATLOGGER M2 bat counter

The right recording mode for your survey

Transect or emergence counts? We have the right settings already built in for all your surveys. Just select the mode before you start and you’re ready to go.
Custom profiles can be created for special situations.

Batlogger M2 Microphone replacement

Replaceable microphone

Replace your microphone without any tools. The microphone caspsule is save inside its housing and survives drops much better than our previous

Rechargeable battery

Don’t worry about replacing batteries or even using disposable batteries.
Want to charge your BATLOGGER M2 in the field using a power bank? No problem.
Use any USB-IF approved USB charger.

Batlogger USB file transfer

Simple file transfer

Copy recordings to your computer while charging your BATLOGGER. Thanks to the USB-C connector, you don’t even have to remove the microSD card anymore. But of course you can still use the microSD card for the file transfer if you want to.


These are just some of the technical specifications, for more information check the manual of the BATLOGGER M2.

Field of applicationActive (mobile) monitoring
Acoustic signal processingReal time 16bit-full spectrum
Sampling rate312.5kHz, 384kHz, 500kHz
Type of microphoneSiSonic
Number of microphones1
Sensitivity range10–192kHz
Live monitoringHeterodyne (automatic or manual), Divider
Trigger functionyes, adjustable
Scheduleryes, adjustable, with sunset/sunrise times
Audio out3.5mm plug / speaker
StoragemicroSD card, 16GB included
DisplayLCD 240x320
SensorsTemperature, humidity, brightness
Size (WxLxD)220 x 70 x 46 mm
Protection classIP40 (except microphone)
Power supplyinternal 3.6V, 2500mAh battery, USB-C charging
Operating timeup to 15h per battery charge


These are accessories and spare parts for your BATLOGGER M2:



Find relevant Downloads for your BATLOGGER M2.