Fogstar Energy 4000 21700 Battery Pair

Unleash Maximum Power with the Fogstar Energy 4000 21700 Battery

Unlock the potential of your high-powered vape kits with the Fogstar Energy 4000 21700 Battery. Designed for demanding devices, this battery offers a substantial 4000mAh capacity and a high discharge rate of 40A, ensuring a powerful and consistent vaping experience. Its flat-top design is perfectly suited for devices requiring non-protected batteries, providing reliability and performance when needed.

Fogstar Energy 4000 21700 Battery Pair Specifications

Manufacturer: Fogstar
Model: FS4000
Size: 21700
Capacity: 4000mAh
Maximum Discharge: 40A
Nominal Voltage: 3.6V
Maximum Voltage: 4.2V
Top: Flat-Top
Protection: None

Please note that these batteries are sold as a pair for £11.99. Hence, you will receive two batteries in plastic cases.

Why Choose the Fogstar Energy 4000?

This lithium-ion powerhouse is more than just a battery; it is the heart of your vaping device. The Fogstar FS4000 ensures that your sub-ohm and high-drain applications perform optimally, maintaining a steady 3.6V nominal voltage that can surge to a maximum of 4.2V when fully charged. Not only does it cater to advanced devices with built-in safety protections, but its robust build quality and rigorous testing also guarantee durability and safety.

Safety First: Maximising Battery Life and Performance

Safety is paramount with the Fogstar Energy series. To ensure the longest lifespan and safest usage, always use a dedicated charger for lithium-ion cells. Regularly inspect battery wraps and insulators for signs of wear or damage. A damaged battery can be a safety risk, so replacing or repairing it immediately is vital. Remember, this battery’s typical cycle life ranges between 200 and 500 cycles, after which it should be responsibly recycled.

Unmatched Reliability in High-Drain Applications

The Fogstar Energy 4000 21700 Battery is reliable in the most demanding setups. Its robust capacity and high discharge rate ensure your device operates at peak efficiency, providing consistent, long-lasting power. Whether exploring sub-ohm vaping or needing a dependable energy source for your high-drain devices, this battery delivers unmatched performance.

Experience the Fogstar difference today. Elevate your vaping to the next level with the Fogstar Energy 4000 21700 Battery, where power meets precision and safety.

Frequently Asked Questions

What makes the Fogstar Energy 4000 21700 unique?

Its high 40A discharge rate and 4000mAh capacity make it ideal for high-powered vaping devices, offering superior performance and durability.

Can the Fogstar 4000 be used in any vape device?

It’s designed for regulated vape kits with flat-top battery requirements. Always check your device compatibility to ensure optimal safety and performance.

How should I charge this battery for the best results?

Use a dedicated lithium-ion battery charger and never leave the battery unattended while charging to prevent potential safety issues. We have a selection of battery chargers to choose from.

What are the signs that my battery needs replacing?

Decreased performance, visible damage to the battery wrap, or reaching the end of its typical cycle life are clear indicators that it’s time for a replacement.