Strion Repl BatteryReplacement battery for Strion flashlight Capable of up to 300 charge recharge cycles Replacement battery for your favorite Strion flashlight. This battery is made by Streamlight, and it's a brand that's relied on by many law enforcement and military personnel, as well as civilians. This is a lithium ion (li ion) battery in terms of chemistry, and it is rechargeable. Its voltage is 3. 75V, which is more than twice the voltage of an alkaline primary