Description
Vapcell S41 21700 Battery – Extreme Discharge Lithium-Ion Power Cell for High-Drain Devices
Overview
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.
Specifications
| Specification | Details |
|---|---|
| Brand | Vapcell |
| Model | S41 |
| Battery Type | 21700 |
| Capacity | 4100mAh |
| Nominal Voltage | 3.7V |
| Full Charge Voltage | 4.2V |
| Discharge Cutoff Voltage | 2.5V |
| Continuous Discharge Rate | 45A |
| Pulse Discharge Rate | Up to 70A (with cooling) |
| Rechargeable | Yes |
| Protected | No (Unprotected Cell) |
| Cycle Life | ~500+ charge cycles |
| Diameter | 21.5mm |
| Length | 70.5mm |
| Weight | ~70g |
Applications
The Vapcell S41 is built for serious performance where raw power and high current delivery are essential:
🔋 High-Power Flashlights – Pushes ultra-bright LEDs to their full potential.
🔋 Power Tools – Delivers instant torque and runtime for demanding equipment.
🔋 RC & Hobby Builds – Ideal for electric skateboards, drones, and race cars.
🔋 Battery Mods & Custom Packs – For professionals and enthusiasts building performance battery packs.
🔋 Emergency Power Devices – Reliable for high-drain backup or survival gear.
Safety Guidelines & Warnings
⚠️ IMPORTANT SAFETY NOTICE ⚠️
Due to its extreme power output, this battery is intended only for users with advanced knowledge of lithium-ion safety practices.
General Safety Guidelines
✔ Use with proper battery management systems and protection circuits.
✔ Charge only using compatible smart chargers on fire-resistant surfaces.
✔ Never leave the battery unattended while charging.
✔ Store in a dedicated case to avoid accidental short circuits.
✔ Keep away from conductive materials like keys, coins, or tools.
✔ Only use in devices rated to handle this level of discharge.
✔ Resellers must provide all warnings and safety materials to customers.
🚫 Prohibited Uses & Handling
⛔ DO NOT use in vaporizers, e-cigarettes, or unprotected mechanical mods.
⛔ DO NOT mix old and new, or used and unused batteries.
⛔ DO NOT short circuit, crush, puncture, incinerate, or disassemble.
⛔ DO NOT use if the battery wrapper is damaged or compromised.
⛔ DO NOT exceed the rated discharge—damage or injury may result.
⛔ DO NOT expose to liquids, extreme temperatures, or direct sunlight.
⛔ DO NOT solder directly—only use spot welding for pack assembly.
⚠ User Responsibility & Risk Acknowledgment
By purchasing the Vapcell S41 21700 Battery, you confirm that you understand and accept all associated risks and responsibilities. This battery is for experienced users only. Improper use can lead to serious injury or damage.
Use at your own risk. Prior knowledge of lithium-ion battery safety is essential.
Unleash the power. Handle with respect. The Vapcell S41 delivers when nothing else can. 🔋