Known for superior performance in extreme temperatures (down to -40°C), making it the ideal choice for outdoor Arlo or Nest cameras that must survive the winter. Best Value: Amazon Basics CR123A
A solid performer for everyday electronics like smoke detectors and smart home sensors. It offers a slightly higher capacity than some premium brands at a significantly lower cost. Best for Bulk Stockpiling: Tenergy Propel CR123A cr123a lithium batteries best buy
Ranked as the top pick for 2026 due to its exceptional capacity (measured at 1580 mAh) and stable voltage under high stress. It is widely trusted by first responders for high-intensity gear. Best for High-Drain Gear: SureFire CR123A Known for superior performance in extreme temperatures (down
Based on hands-on performance tests and professional reviews, these are the standout options available: Best Overall: Streamlight CR123A Best for Bulk Stockpiling: Tenergy Propel CR123A Ranked