Streamlight USB Batteries – 1 Pack: small part, working light
A duty light is a system: the light, its power, and the parts that keep it mounted and running. The Streamlight USB Batteries – 1 Pack is the piece that keeps a SL-B50 in service instead of in a drawer.
Why it earns its place
- Up to 6 hours of runtime. Power budgeted for a shift, not a demo.
- Li-Ion power. The battery logistics your agency already stocks.
Who runs it
Officers and quartermasters keeping issued Streamlights in service — the cheapest insurance on gear that has to work at 3 a.m.
Specifications
| Type | Accessory |
|---|---|
| Runtime | up to 6 hours |
| Power | Li-Ion |
| SKU | STRE-22111 |
Common questions
How does it charge?
USB charging per Streamlight’s spec for this model — top it off in the cruiser between calls.
Will it fit my light?
It’s the factory part for the models named in the listing title — check your light’s model against it before ordering.
Which batteries does it take?
Li-Ion — per Streamlight’s spec for this model.
About Streamlight
Streamlight has been building lights in Eagleville, Pennsylvania since 1973 — a family business that grew into one of the world’s leading duty-light makers by pioneering the rechargeable flashlight. Not sure which output, battery, or mount fits your shift? Ask the Network — we spec Streamlight for officers and agencies daily.
