Fogstar Energy 40A 21700 Battery Cell

The P40A Fogstar Energy 40A Replacement Vape Battery is a great choice and a great all-around performing cell it is the best choice for a regulated mods.

Features:

Manufacturer: Fogstar Energy
Model: FS4000
Size: 21700
Capacity: 4000mAh
Maximum Discharge: 40A
Nominal Voltage: 3.6V
Maximum Voltage: 4.2V
Flat-Top

ALWAYS REMEMBER BATTERY SAFETY!
-Do not overcharge or over-discharge.
-Do not short circuit your batteries.
-Do not let your batteries touch each other or other metallic items.
-Do not dispose of any battery in a fire.
-Do not leave your batteries charging unattended
-Do not use batteries that have damaged wraps
-Never keep batteries in your pocket or a bag without a case