21700 batteries aren’t as commonly used as 18650 sized batteries. Double check what battery-type your device requires before making a purchase!

Features of the Aspire 21700 Battery

• 3800mAh Large capacity 21700 battery with 25A discharge current
  Internal protection sheets to avoid over-discharging and over-charging
  Separated positive pole and negative pole to avoid short circuit
  More powerful, safer and economic to use
  Stable and high performance by extensive test

Specifications

• Size: 21700 Battery (21mm diameter x 70mm long)
• Type: Li-ion INR (Rechargeable)
• Rated Capacity: 3800mAh
• Voltage: 3.7V
• Protected: No
• Style: Flat Top
• Rated storage temperature: 20-60

• Li-ion Batteries may explode if you do not charge or discharge them properly.Users must have knowledge on how to charge and discharge Li-Ion batteries before making Li-Ion BatteryPacks. We are NOT responsible for any damage that is caused by the misuse of Li-Ion Batteries.