Low self-discharge - Tenergy 9volt lithium battery features ultra-low self-discharge of only 2% a year and are date stamped for freshness. These batteries will provide power, even after 10 years in proper storage.
Longer runtime 9V - Tenergy's 12 pack 9V Lithium batteries offer 2.5 times more power than traditional 9V batteries. Provides enough power to last up to 10-years as a backup battery in ac-powered smoke detectors.
Tested and certified by UL standards. Included with every purchase is free lifetime support from our local team based in California.
Versatile temperature suitability - Utilize these batteries in your devices both indoors and outdoors, ensuring dependable performance in temperatures as low as -4°F and as high as 140°F.
Rounded fit - Tenergy's non-rechargeable batteries 9 volts is slightly slimmer with rounded edges and corners ensuring a wider fit in 9volt electronics.