Item #:
017398809559
UPC: #:
017398809559
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NSTICK NS2-BATT 18650 Li-Ion USB-C Rechargeable Battery

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The NSTICK NS2-BATT delivers reliable power for tactical flashlights, weapon lights, and electronic devices with convenient USB-C charging capability. This high-capacity 18650 lithium-ion battery eliminates the need for external chargers while providing consistent performance in demanding applications.

What Makes This Different

Built-in USB-C charging port sets this battery apart from standard 18650 cells that require separate charging equipment. The integrated charging circuit maintains optimal voltage output throughout the discharge cycle, ensuring consistent brightness and performance. Advanced protection circuitry prevents overcharge, over-discharge, and short circuit conditions that can damage both battery and device.

Key Features

  • Integrated USB-C charging port eliminates need for external charger
  • 3.7V nominal voltage with 3400mAh capacity for extended runtime
  • Built-in protection circuit guards against overcharge and over-discharge
  • Compatible with most tactical lights, weapon-mounted systems, and electronic devices
  • Rechargeable up to 500+ cycles with minimal capacity loss
  • LED charging indicator shows power status during charging process
  • Standard 18650 form factor fits existing battery compartments
Field testing demonstrates consistent power delivery across temperature ranges from -10°F to 140°F. The battery maintains voltage stability under high-drain applications like weapon lights and laser systems. Quick 2-3 hour charge time via any USB-C cable keeps equipment operational with minimal downtime. Professional users appreciate the ability to charge from vehicle USB ports, power banks, or wall adapters without carrying dedicated charging equipment.

Technical Specs

  • Battery Type: Lithium-ion 18650 with integrated USB-C charging
  • Capacity: 3400mAh nominal
  • Voltage: 3.7V nominal, 4.2V maximum
  • Dimensions: 18.5mm diameter x 69mm length
  • Weight: Approximately 48 grams
  • Charging Input: USB-C, 5V/1A
  • Charge Time: 2-3 hours from empty
  • Cycle Life: 500+ charge/discharge cycles
  • Operating Temperature: -10°F to 140°F (-23°C to 60°C)
  • Protection: Overcharge, over-discharge, short circuit, thermal
This rechargeable solution reduces long-term battery costs while ensuring tactical equipment remains mission-ready. The combination of high capacity, integrated charging, and robust protection makes it an essential upgrade for professionals who depend on reliable power sources.