18650 Batteries

XTAR 18650 Rechargeable Li-ion Batteries

The 18650 is the gold standard of rechargeable lithium-ion cells — and XTAR's lineup covers every use case. From high-drain applications demanding 20A–30A continuous discharge to everyday devices needing reliable, long-lasting power, our 18650 collection offers a carefully curated range of capacities, chemistries, and form factors.

What's in This Collection

  • Raw Cell Options (Unprotected): XTAR 3.6V 18650 4000mAh and 3500mAh bare cells — ideal for experienced users building battery packs or powering devices with built-in protection circuits
  • USB-C Rechargeable: XTAR 3.6V 18650 3500mAh with built-in USB-C charging port — charge anywhere without a dedicated charger
  • High-Capacity Protected Cells: 2600mAh, 3300mAh, 3500mAh, 3600mAh, and 4000mAh options with built-in protection for safe everyday use
  • High-Drain INR Cell: XTAR INR 18650H 2600mAh rated at 20A continuous / 30A peak — engineered for high-performance flashlights, power tools, and vaping devices
  • NCR Chemistry: XTAR NCR 18650-GA 3500mAh — premium Panasonic-grade chemistry for maximum energy density and cycle life

Key Specifications at a Glance

  • Nominal Voltage: 3.6V – 3.7V
  • Capacity Range: 2600mAh – 4000mAh
  • Chemistries: INR, NCR, standard Li-ion
  • Form Factor: Standard 18650 (compatible with most 18650 flashlights, chargers, and devices)

Perfect For

High-performance flashlights, vaping mods, power banks, laptops, e-bikes, RC vehicles, and any device requiring a reliable, high-capacity 18650 cell. Whether you're a professional, hobbyist, or everyday user, XTAR has the right 18650 for your needs.