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Vapcell P42A 21700 Battery

£7.00
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Description

Vapcell P42A 21700 30A 4200mAh Battery

The Vapcell P42A 21700 is a high-performance lithium-ion battery designed for demanding, high-drain devices. With a typical capacity of 4200mAh and a continuous discharge rating of up to 30A, it’s a popular choice for regulated vape mods, powerful flashlights and other devices that need strong, consistent power.

Key Features

  • High-capacity 21700 battery with 4200mAh typical capacity
  • Up to 30A continuous discharge rating for high-drain devices
  • INR21700 format – compatible with devices that support 21700 cells
  • Nominal voltage of 3.6V (4.2V max when fully charged)
  • Minimum capacity of 4000mAh for reliable, sustained performance
  • Compact, lightweight design at approx. 20.5 × 70.2mm and ≤ 70g
  • Low internal resistance (≤ 11mΩ) to support efficient power delivery
  • Suitable for regulated vape mods, flashlights and other high-drain applications

If you need a 21700 cell that balances capacity, current handling and reliability, the Vapcell P42A is a strong option for users who understand and respect battery safety.

Technical Specifications

  • Battery type: INR21700 lithium-ion
  • Size: 20.5mm (diameter) × 70.2mm (length)
  • Nominal voltage: 3.6V
  • End-of-charge voltage: 4.20V
  • End-of-discharge voltage: 2.50V (minimum recommended)
  • Typical capacity: 4200mAh (at 0.2C discharge)
  • Minimum capacity: 4000mAh
  • Maximum internal resistance: ≤ 11mΩ
  • Standard charge current: 1500mA (CCCV, 100mA cut-off)
  • Standard charge time: ~4 hours
  • Quick charge current: up to 3000mA
  • Max continuous discharge current: 30A
  • Charging temperature range: 0°C to 45°C
  • Discharging temperature range: -20°C to 75°C
  • Recommended storage temperature: -5°C to 35°C
  • Recommended storage humidity: 45–75% RH

Usage & Safety Notes

This is a high-drain cell intended for use in devices that are specifically designed for 21700 batteries. Always use an appropriate charger, do not overcharge or over-discharge, and never carry loose batteries in pockets or bags where they can contact metal objects. Inspect wraps regularly and replace or re-wrap damaged cells.

The Vapcell P42A 21700 is ideal for users who need a balance of high capacity, strong current output and dependable performance in demanding setups.

Battery Safety

Vape Battery Safety Information – Vape Saloon

At Vape Saloon, your safety is our top priority. Vape batteries are powerful and reliable tools when used correctly, and understanding how to handle, store, and charge them properly will ensure a safe and worry-free vaping experience. Follow the guidelines below to keep your vape batteries performing at their best while staying protected.

Safe Handling and Storage of Vape Batteries

Proper battery care is essential for safe vaping. Always treat your lithium-ion vape batteries with caution:


Never carry loose batteries in your pocket or bag. Contact with keys, coins, or metal objects can cause a dangerous short circuit.


Use a protective battery case when transporting or storing spare batteries.


Keep batteries clean, dry, and away from extreme temperatures, including heat, cold, or direct sunlight.


Avoid dropping, crushing, dismantling, or exposing batteries to water.


Store them in a cool, dry place, and if they will be unused for long periods, perform occasional charge and discharge cycles to maintain performance.

Lithium-ion batteries are dependable but sensitive to misuse. Avoid overcharging, short-circuiting, or exposing them to harsh environments. With proper handling, your vape batteries will deliver safe and long-lasting performance.

Understanding Vape Battery Power and Charging

Every vape battery has two essential ratings that determine its safety and performance:

1. Capacity (mAh)

This measures how much energy the battery can store.


Higher mAh = longer battery life.

2. Continuous Discharge Rating (CDR or amps)

This shows how much power the battery can safely output.


Sub-ohm and cloud-chasing vaping requires high-amp batteries (20A or more).


MTL and nicotine salt devices operate safely with moderate amp ratings.

Safe Charging Current

To calculate the maximum safe charging current, move the decimal point three places to the left in your battery’s mAh rating:


Example: 3500mAh = 3.5A max charging current

Always follow manufacturer guidelines to avoid exceeding the recommended charge or discharge rate.

Charging Safety Tips


Use official or high-quality chargers—avoid cheap or unbranded alternatives.


Do not leave batteries charging unattended or overnight.


Charge on a non-flammable surface and disconnect once fully charged.

If a Vape Battery Is Damaged or Leaking

Stop using any battery that appears swollen, leaking, or physically damaged.


Do not touch leaking battery fluid.


If it contacts your skin or eyes, rinse immediately with water and seek medical attention.


Dispose of damaged or old vape batteries at a proper recycling facility—never in household waste.

Battery acid is toxic. Never attempt to open, repair, or modify a vape battery yourself.

Important Vape Battery Safety Reminders


If swallowed, seek medical attention immediately.


Dispose of batteries and packaging responsibly.


Always follow manufacturer instructions and keep product manuals for reference.

By following these essential vape battery safety tips, you’ll enjoy safe, reliable performance from your vape devices—every time you use them. Vape Saloon is committed to providing trusted information and high-quality products to support a safe vaping experience.

Shipping & Returns

Shipping & Returns – Vape Saloon

At Vape Saloon, we know how important fast and reliable delivery is. That’s why we process and ship all orders within 24–48 hours, using the quickest and most efficient courier options available, including DHL and Royal Mail, depending on your location.

Fast Dispatch Times

To ensure you receive your items as quickly as possible:


Orders placed before 2pm are shipped the same business day.


Orders placed after 2pm will be dispatched on the next business day.

Our goal is to get your vape products to you without delay, providing a smooth and stress-free shopping experience.

Delivery Timeframes

While most orders arrive within 3 business days, many customers receive their items even sooner.

Please remember that delivery times may vary due to factors outside our control, such as:


Courier backlogs


Postal delays


Weather disruptions


Customs checks (for international orders)

We appreciate your patience and understanding if your parcel experiences any unexpected delays.

Order Tracking

Every order includes a tracking number, allowing you to monitor your delivery from dispatch to arrival. Simply enter your tracking code on the courier’s website for real-time updates.

Returns & Support

If you experience any issues with your order, our customer support team is here to help. We’re committed to ensuring every Vape Saloon customer is satisfied with their purchase.

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Vapcell P42A 21700 Battery

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