Fogstar Energy 4000 21700 Battery

Introducing Fogstar's New 21700 Batteries

Fogstar, the esteemed UK battery supplier, is excited to unveil its own line of branded batteries. These impressive 21700 batteries boast a robust 4000mAh capacity and a substantial 40A discharge rating, making them perfect for high-powered devices such as Sub Ohm or Direct to Lung (DTL) setups.

Product Specifications

• Manufacturer: Fogstar
• Model: FS4000
• Size: 21700
• Capacity: 4000mAh
• Maximum Discharge: 40A
• Nominal Voltage: 3.6V
• Peak Voltage: 4.2V
• Top Style: Flat-Top
• Protection: Unprotected

Safety Advice

• Avoid carrying Lithium-Ion batteries loose in pockets or bags due to potential hazards.
• Use a dedicated charger designed specifically for Lithium-Ion cells. Explore our selection of chargers here.
• Never leave a charging battery unattended.
• Keep out of reach of pets and children.

Maintenance and Inspection

• Regularly check for any tears or damage to wraps and insulators.
• Replace or dispose of batteries with compromised wraps immediately. Discover our extensive range of battery wraps here.

Usage and Recycling Guidelines

• Batteries typically last between 200-500 cycles before a noticeable drop in capacity. Recycle them responsibly at this point.
• Do not crush, incinerate, or alter batteries.
• Use only according to the manufacturer's specifications.

Fogstar's new 21700 batteries are engineered for those who demand power and reliability, ensuring optimal device performance.