There is a battery door on one side of the headphones.
Peltor does not provide information on the water resistance of these 100 Electronic Hearing Protection Ear Muffs. Although, in light rain these muffs should perform as intended without issue. I would recommend reaching out to the manufacturer directly for more information.
The Peltor Tactical 100 Electronic Hearing Protection Ear Muffs will most likely not fit under an ACH.
You should be able to use the PELTOR Accessory Rail Headset Connectors to mount these to a helmet.
https://www.opticsplanet.com/peltor-accessory-rail-headset-connectors.html
Yes, it should. The HY79 hygiene kit fits a variety of 3M Peltor Products, including ProTac, Tactical XP, FM-Radio, Alert and LiteCom.
3M Peltor does not state the country where these are made.
The allow a maximum decibel of around 95 decibels.
No, just battery powered. No Bluetooth capability
These do not have any static when turned up. Sound is very clear