Tenergy 12-Pack 9V Lithium Battery, 1200mah with 10 Years Shelf Life - [Non-Rechargeable]

Features and Benefits: LONGEST RUN TIME 9V - Tenergy's 9V Lithium batteries offer 2.5 times more capacity than traditional alkaline 9V batteries available. Provides enough power to last up to 10-years as a backup battery in ac-powered Smoke detectors.; RELIABLE POWER - Tenergy 9volt lithium battery features ultra-low self-discharge of only 2% a year and are date stamped for freshness. We confident these batteries will provide power, even after 10 years in proper storage.; DESIGNED FOR BEST FIT - Tenergy's non-rechargeable batteries 9 volts is slightly slimmer with rounded edges and corners ensuring a perfect fit in any 9volt electronics.; OUTDOOR TEMPERATURE PERFORMANCE - Use these batteries in your devices outdoors or inside and receive reliable power whether it's as cold as -40F or as hot as 140F.; CERTIFIED QUALITY - Tested and certified by UL standard for safety. Included with every purchase is free lifetime support from our local team based in California.; Battery Specifications: Type: 9V Li/MnO2 battery; Voltage: 9V; Capacity:1200 mAh; Self-discharge: <2% per Year; Shelf life: 10+ years; Max. Current: 1000mA; Dimension: 48*26*17mm; Operating Temperature: -40 F ~ 140 F; certification: UL, CE;