Streamlight's 18650 button-top li-ion rechargeable battery is rechargeable up to 500 times.
Specifications:
| Nominal Voltage | 3.7V |
| Rated Capacity mAh | 2600 |
| Configuration | Stick |
| Charge Time | 3.5 hours |
| Style | |
| Includes | |
| ANSI NEDA | |
| Chemical Composition | Lithium Ion (Li-ion) |
| Size | |
| Rechargeable | Yes |
| Quantity | 1 |