The Vapcell S41 21700 Battery is a powerhouse lithium-ion rechargeable cell engineered for ultra-high-drain applications. With a robust 4100mAh capacity and a staggering 45A–70A discharge capability (pulse/peak), this battery is designed for demanding setups that require maximum power delivery in short bursts, such as high-performance flashlights, power tools, and hobbyist builds.

Key Features
High Capacity: 4100mAh supports extended operation across a variety of devices.
Extreme Discharge Rate: Up to 45A continuous and 70A pulse discharge for high-drain systems.
21700 Form Factor: Larger cell size offers better energy density and output.
Lithium-Ion Chemistry: Ensures stable voltage, high efficiency, and consistent performance.
Unprotected Cell: Offers maximum output for experienced users building protected systems.

Caution: There is always an inherent risk when using any rechargeable batteries.
When working with Li-ion (Lithium-ion), LiPo (Lithium-ion Polymer) and any rechargeable battery cells, please be cautious and use carefully as they are very sensitive to charging characteristics and may explode or burn if mishandled. Please make sure that you have a good understanding of rechargeable batteries before you use them.
Always charge batteries on a clean and fire-proof surface. Never leave charging batteries unattended, including overnight. Always keep, store and transport the rechargeable cells in a safe, non-conductive container in a controlled environment
Do not use any rechargeable battery as well as any battery charger if any visible damage is present. If the cell or charger has been stressed through mishandling, accidental or otherwise, even if damage may not be visible then do not use it. Please dispose battery cells, chargers or any other electronic devices responsibly.
All the batteries we supply comply with the EU Battery Directive 2006/66/EC and the Waste Batteries and Accumulators Regulations 2009 (Amended 2015)
Vape UK, its parent company and any employees will not be responsible for any damage or injury sustained through improper handling, use and modification of the batteries, chargers and devices they are used with.