Aspire 21700 Battery 4000mAh

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

Aspire 4000mAh Specs:

Size: 21700 (21mm diameter x 70mm long)
Type: Li-ion INR (Rechargeable)
Rated Capacity: 4000mAh
Voltage: 3.7V
Protected: No
Style: Flat Top
Rated storage temperature: 20-60℃

Aspire 4000 Battery Safety

Battery safety is very important. Mistreated batteries can get extremely hot and/or vent which may cause injury. Always follow the following rules to make sure this doesn’t happen. We are not liable for misuse of or for mistreated batteries.
A – Do not use batteries if the wrapper is in any way torn or otherwise damaged (this includes even tiny little nicks or tears in the wrapper in ANY part of the battery)
B – Never keep batteries loose in a purse or pocket etc., any contact with any other metallic object such as keys or coins may cause a short circuit and be very dangerous. Always use protective cases for loose batteries.
C – Never expose batteries to extremes of temperature.
Further cautionary advice
*Never completely discharge batteries (below 2.5V under load or 3V unloaded).
*Charge fully (to 4.2V) before first use.
*Never use force to install the battery.
*Use only high quality battery chargers.
*Do not connect the positive contact to the negative contact without an appropriate load.
*Be mindful of the current limits in the specifications of the battery and never exceed them.
*Never charge battery 4.3V or above.
*Do not leave unattended while charging.
*Do not store your Li-ion batteries fully charged for an extended period of time (weeks or more)
*If you must store battery then do it in a case or individual box in cool and dry place at approximately 3.6V – 3.7V.
*Never try to charge or discharge Li-ion batteries with battery chargers that are not specifically made for Li-ion batteries.