Specifications:

• Size: CR123A
  
• Chemistry: Lithium-Ion (Li-Ion)
  
• Voltage: 3.7V (4.2v Peak)
  
• Capacity: 650 mAh
  
• Brand: Tenergy
  
• Qty: 1

Features:

• Long lasting performance
  
• No memory effect
  
• Internal over-charge and over-discharge protection to prevent battery over use. The current will be shut off when the battery voltage drops below 2.5V
  
• Internal voltage regulators modified voltage to achieve average working voltage of 3.0V
  
• Compatible with cameras using CR123A disposable batteries

Note:
Can replace CR123A primary Lithium battery use in most devices, but not good for certain flashlights and cameras due to higher voltage.