How Long Does A 9v Battery Last. We wouldnt recommend waiting that long Energizer says a 10-year shelf life. These 3 9V batteries are the BEST for smoke detectors.
Low demand applications like smoke detectors alkaline batteries last 12 years while lithium batteries can last 510 years. Energizer MAX AA AAA C and D cells last up to 10 years in storage while our 9V lasts up to 5 years in storage. As a side note a handful of AA LR6 batteries will last 4-5X longer than their 9V counterparts.
Just ensure you unplug the inputs when youre finished.
But the utmost nine-volt batteries last up to 5 years. Even with an expensive Lithium 9V battery an Arduino-based project will only last for 1 or 2 days of continuous use. How long will my Energizer batteries last in their packaging. As an example a 9-volt battery can be purchased online for 001 and a charger for 500 which is a tiny fee to pay for your safety.
