Streamlight Strion Flashlight Battery Stick. These Flashlight Accessories from Streamlight are genuine factory replacements that will work with your Strion flashlight. The Streamlight Strion Flashlight Li-Ion Battery Stick is a rechargeable 3.75V lithium-ion battery that you can recharge multiple times. Get the Streamlight Strion Flashlight Replacement Battery Stick to power your flashlights again and again. Features of Streamlight Strion Flashlight Battery Stick: Genuine Streamlight replacement battery Rechargeable 3.75V Lithium-Ion battery Package Contents: Streamlight Strion Flashlight Battery Stick Streamlight Strion Flashlight Battery Stick 74175