If the battery is good for a year, how do you know if, when you receive it, you still have the full year left? Does the packaging have an exp date?

There are two thing here. First, the batteries are CR1632 button cells. They are commonly used in computer bios, and are very very common. These cells have an amazing shelf life and as the Robocopp is an on off device, when the device is in the off state there is absolutely negligible loss on the batteries. They should store for 5-6 years before ~5℅ of the stored voltage is lost. After that there some formulas out there to figure out voltage drop.Anyway, the second most important thing.If used in an emergency, the company will 100℅replace and refurbish your device to make sure it will continue being used.I have a few of these devices, just toying around with them as annoying sound grenades probably 10-15, 3-5 minute bursts and they are still loud as ever.

Is the battery replacable and what type is it?

No, the battery is NOT replaceable in a PRACTICAL way. Yes, you can replace the battery if you are willing to resolder the metal retainer holding it in place. I had to rip that apart to get to the battery. There are clips that go through the microcircuit board and bend inwards, so when you take that off, it doesn't retain the battery effectively. You can 'smash' it back in place like I did, but it doesn't make good contact after that, and it is marginally effective. This is a non-starter since they make pretty good trip wire alarms elsewhere for $10 and you can replace the battery on theirs. For $30 plus dollars, it is ridiculous this is not replaceable. Even worse, the description says it is replaceable when in fact is it NOT replaceable unless you are a circuit board technician and have the tools available. UNSAT !!!

Can this be disarmed this *before* it goes off? I want to use it to secure a bag but I don't want the alarm to go off at all when I need to move it.

I have the tripwire attached to the device with caribiner clips at each end. If I want to just disable it, I just unclip one end. If I want to take the device somewhere else I just unclip both ends from the tripwire.

So this thing is not rechargeable and the battery cannot be replaced?

You can open it up and replace the battery but they cant guarentee that it will be waterproof. Its sold as a security device so its a liability if your able to tamper with it

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Description

🔔 Sound the Alarm on Safety!

24 7 SUPPORT - Customer service ready to assist you anytime
VERSATILE PROTECTION - Perfect for camping, hiking, and personal safety
STAY ALERT STAY SAFE - America's #1 Trusted Emergency Alarm
LONG LASTING RELIABILITY - Replaceable lithium battery with 5+ years shelf-life
INNOVATIVE TRIPWIRE TECHNOLOGY - Patented BASU SmartHook for instant alerts

The BASUSound Grenade® is a powerful 130db emergency alarm designed for outdoor enthusiasts and safety-conscious individuals. With TSA approval, patented tripwire technology, and a long-lasting battery, this alarm is your ultimate companion for camping, hiking, and personal security.

Specifications

Number of Batteries	2 Lithium Metal batteries required.
Control Method	Touch
Noise Level	130 dB
Sensor Technology	Motion
UPC	675595999949
Global Trade Identification Number	00675595999949
Manufacturer	BASU
Part Number	RC1BL
Item Weight	0.64 ounces
Product Dimensions	3.4 x 1.22 x 0.51 inches
Item model number	RC1BL
Batteries	2 Lithium Metal batteries required.
Is Discontinued By Manufacturer	No
Style	Original
Material	Metal
Item Package Quantity	1
Number Of Pieces	1
Included Components	Batteries
Batteries Included?	No
Batteries Required?	Yes
Battery Cell Type	Alkaline
Description Pile	Lithium

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