The Streamlight 18650 rechargeable battery delivers dependable, long-lasting performance for compatible flashlights. Designed for convenience and safety, it offers modern charging flexibility and extended service life — making it a smart upgrade over disposable battery options.
18650 Battery Specifications
- Micro-USB rechargeable — no external charger required
- Built-in LED charge indicator for real-time monitoring
- Integrated PTC surge protection for enhanced safety
- Rechargeable up to 500 cycles
- Introduced by Streamlight in 2018
Compatible Streamlight Flashlights
Popular models that support 18650 batteries include:
- PolyTac® X
- ProTac® 2L-X
- ProTac® HL-X
- ProTac® HL5-X
Frequently Asked Questions
Can you use any 18650 battery in Streamlight flashlights?
Many Streamlight models are engineered to accept 18650 rechargeable batteries as an alternative to CR123A disposables. Always confirm compatibility with your specific model.
Can AA batteries replace an 18650 battery?
No. AA batteries differ in size, voltage output, and capacity, and are not compatible.
How long does the 18650 battery last?
Streamlight 18650 batteries are rated for up to 500 recharge cycles under normal use.