Aspire 21700 Battery (4000 mAh)



Aspire 21700 Battery (4000 mAh)

The Aspire 4000 battery is a 21700 battery used for powering vaping mods and other electrical devices. The Aspire 4000 is an INR 4000 mAh battery. Aspire 4000 batteries have been tested extensively and can handle some serious current for long periods of time.

Aspire 4000 Safe Vaping Standard Chart:

Aspire’s new safe vaping chart shows Aspire’s battery testing for continuous discharge and also for vaping 10secs then resting battery for 5 seconds. Our safety chart recommends discharge conditions that result in the battery temperature reaching 70 degrees Celsius or less. Continuously discharging your battery for several minutes without resting it will result in higher temperatures and Aspire does not recommend continuous discharge of the Aspire 4000 while it is in vaping devices. Safe Vaping Standard Chart is below:


  • Intermittent Discharge (Pull 10s, rest 5s)
  • Continuous Discharge
  • Aspire 4000 Specs:
    • Size: 21700 (21mm diameter x 70mm long)
    • Type: Li-ion INR (Rechargeable)
    • Rated Capacity: 4000mAh
    • Max Discharge Current (Continuous): View Chart
    • Max Discharge Current (Pulse): View Chart
    • Voltage: 3.7V
    • Protected: No
    • Style: Flat Top
    • Rated storage temperature: 20-60℃