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Cyansky Light issues 3 types of portable Lithium batteries, the BL1607U 700mAh 16340 battery, the BL1826U 2600mAh 18650 battery and the BL2150U 5000mAh 21700 battery. All these Lithium batteries feature outstanding performance and multiple protections.

  • 500-cycle Charging and Discharging
  • Multiple Protections Intelligent Circuit
  • Steel Shell Riveting Processing Technology
  • FCC, CE, RoHS, PSE Certified
  • Charged by USB Cable or Adaptor
  • Dual Gas Expelling Relief Vents

Cyansky Light supports custom battery (like 3500mAh, etc) to power the Cyansky flashlights based on your order quantity. Feel free to let us know.