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Spare 14500 Cell Battery

Spare 14500 Cell Battery

Regular price $6.75 USD
Regular price Sale price $6.75 USD
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Designed for new Maratac® Compact Tri Flood 14500 Flashlight, Mini LEP Cosmos, Reylights & So Much More!

14500 - > AA Size 3.7V 800 MAH 


  • Model:3.7V 800MAH AA ICR 14500 Battery
  • 1.95" x .56mm
  • Do NOT use these batteries in flashlights that require 1.5V batteries.

Charging Output for 14500 Battery 4.2V @ Upto 1A Max

Note only charge at .5A-1A for 14500 Cells to safely prolong the battery life upto 2000 cycles


We have received hundreds of emails asking for a light which uses a 14500 cell battery.  We now have the ReyLight AA/14500 light which works with both cell variants. 

Also works with Maratac® Tasklight

Why use a 14500 Lithium cell? Higher voltage = Much brighter & also rechargeable 


Warning: Dont use this cell in another AA or Maratac® light you have as it will void your warranty and destroy the light. Misusing or mishandling a lithium-ion battery may cause a FIRE or EXPLOSION which can result in INJURY or DEATH. You MUST read the safety warnings and resources before purchasing, using, and/or handling batteries.



  • Misusing or mishandling lithium ion batteries can pose a SERIOUS RISK of personal injury, property damage, or death
  • Only use in a device which as a smart BMS built in
  • Note the length of the cell to ensure it will work in your application as well
  • If your flashlight were the only device into which a buyer might attempt to insert the battery, there’d be no issue. However, since it is a great battery, others may buy it for other purposes. They need to be warned of its limitations.
  • ONLY use with proper protection circuitry
  • ONLY use within manufacturer specification
  • DO NOT store loose in pocket, purse, etc. – always use a protective case
  • KEEP AWAY from metal objects to prevent short circuiting
  • DO NOT short circuit
  • DO NOT use if wrapper or insulator is damaged or torn
  • DO NOT use if damaged in any way
  • DO NOT overcharge or over-discharge
  • DO NOT modify, disassemble, puncture, cut, crush, or incinerate
  • DO NOT expose to liquids or high temperatures
  • DO NOT solder
  • User must be familiar with handling lithium ion batteries before purchase
  • Usage of batteries is AT YOUR OWN RISK

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