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Streamlight 22101 SL-B26 18650 2600mAh 3.7V Protected Lithium Ion (Li-Ion) Button Top Battery With Built-In USB Charger

Item #: STREAMLIGHT-22101
Brand: Streamlight
Item #: STREAMLIGHT-22101
Brand: Streamlight

Streamlight 18650 Protected Li-Ion Button Top Battery With Built-In USB Charger

Works in a Variety of Streamlight Flashlights

The Streamlight 18650 Protected Li-Ion Button Top Battery offers 2600mAh of long-lasting reliable power. Specifically constructed with a built-in USB charging port for your charging convenience. This battery is designed to work with any Streamlight product that runs on, or takes, a rechargeable 18650 battery. Additionally, using a rechargeable battery is more environmentally friendly compared to disposable CR123A batteries. Buy your Li-Ion rechargeable battery here at Battery Junction.


  • Comes with Streamlight's Limited Warranty
  • Built-In Micro USB Charging Port
  • Compatible with Streamlight AC/USB adapters or PC USB port
  • Compatible with most other USB sources
  • LED charge status indicators built into the top for monitoring charging process
  • Estimated 5 hour charging time
  • Works with Streamlight products that accept 18650
  • Suggested Streamlight Model use: PolyTac X, ProTac 2L-X, ProTac HL-X, ProTac HL5-X
  • Protected by an on-board safety control circuitry


  • Battery Size: 18650
  • Battery Chemistry: Lithium Ion (Li-Ion)
  • Nominal Voltage: 3.7V
  • Nominal Capacity: 2600mAh
  • Estimated Charge Cycles: 500 cycles
  • Dimensions:
    • Length - 2.75" (69.85 mm)
    • Diameter - 0.744" (18.89 mm)

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