
Vapcell P42A 21700 Battery 4200mAh 30A High-Drain
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Description
High-Drain Power Meets Extended Runtime – The Vapcell P42A 21700 Battery is a high-performance rechargeable cell engineered for compatible 21700 vape mods and demanding high-drain devices. Delivering a substantial 4200mAh typical capacity alongside a 30A continuous discharge rating, the P42A strikes the optimal balance between raw output performance and all-day runtime.
The larger 21700 format significantly outperforms standard 18650 cells in capacity, making it the go-to choice for modern vape mods requiring robust power delivery. Supplied as a single battery, it's ideal for replacement purchases, spare battery rotation, or powering compatible 21700 devices.
⚠️ For safety and performance: Ensure your device supports 21700 flat-top batteries. Always follow correct battery handling, charging, and storage guidance.
Key Features:
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30A Max Continuous Discharge
Delivers strong, reliable power delivery for high-drain vape devices and demanding setups. -
4200mAh Typical Capacity
Provides extended runtime between charges, keeping you vaping longer. -
21700 Flat-Top Format
Larger than standard 18650 cells, offering superior capacity for compatible modern mods. -
Consistent Performance
4000mAh minimum capacity with 3.6V nominal voltage for reliable, predictable output. -
Built for High-Drain Devices
Specifically engineered for compatibility with demanding vape applications.
Perfect For:
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Vapers using compatible 21700 vape mods seeking stronger power delivery.
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Users wanting extended runtime without sacrificing discharge performance.
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Replacement purchases and spare battery rotation for multi-battery setups.
Tech Specs:
| Specification | Value |
|---|---|
| Model | Vapcell P42A |
| Format | 21700 Flat-Top |
| Typical Capacity | 4200mAh |
| Minimum Capacity | 4000mAh |
| Max Continuous Discharge | 30A |
| Nominal Voltage | 3.6V |
| Max Charge Voltage | 4.2V |
| Min Discharge Voltage | 2.5V |
| Dimensions | Approx. 20.5mm x 70.2mm |
| Max Weight | Approx. 70g |
What's in the Box:
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1 x Vapcell P42A 21700 Battery (Flat-Top)
Battery Safety Notice:
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Use only with devices that explicitly support 21700 batteries.
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Do not use damaged batteries or cells with torn/damaged wraps.
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Never carry loose cells without a protective plastic case.
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Charge only with a compatible external charger.
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Always follow the device manufacturer's safety instructions.
Vapcell P42A 21700 Battery – Engineered for vapers demanding both raw power and lasting runtime from their compatible high-drain devices.
Delivery & Returns
Unopened items can be returned within 14 days, and hardware comes with a 30-day warranty against manufacturing defects. Orders placed before 1pm on weekdays are dispatched the same day, with free delivery on UK orders over £25. Read our full Delivery Policy and Refund & Returns Policy.




