Fogstar Energy FS4000 21700 4000mAh Battery

The Fogstar Energy FS4000 21700 Battery is a top choice for vapers with high-powered vape kits. With 4000mAh capacity and a robust 25A discharge rate, this battery is perfect for advanced vaping devices that demand consistent performance. The FS4000 features a flat-top design and is a non-protected battery, designed for use in regulated vape kits that feature built-in safety protections. This flat-top battery ensures maximum performance and reliability, but always check device compatibility before use.

Part of Fogstar’s renowned Energy series, this battery is rigorously tested to deliver exceptional build quality and safety. For safe operation, use a dedicated Lithium-Ion charger, inspect the wraps and insulators regularly, and replace any damaged batteries immediately.

Additional Information
• Only use according to the manufacturer’s instructions.
• Lithium-Ion cells should be charged on a dedicated charger rated specifically for Lithium-Ion cells.
• Never leave a battery unattended whilst charging.
• Keep away from animals and children.
• Wraps and insulators should be periodically inspected for tears or damage. If a battery has a damaged wrap, it should be repaired or disposed of immediately.
• Batteries usually have a cycle life of between 200-500 cycles (this varies with manufacturer) before noticeable capacity drop-off. Batteries should be recycled at this time.
• Do not crush, incinerate or modify.

Features

Rechargeable
Capacity: 4000mAh
Continuous Discharge Rate: 25A
Battery Size: 21700
Voltage: 3.6V
FlatTop
Non-Protected
Perfect for Sub-Ohm and High-Drain Applications