Vapcell P42A 21700 Battery 4200mAh 30A

The Vapcell P42A 21700 Battery 4200mAh 30A, also commonly searched as the Vapcell INR 21700 Battery, is a high-drain rechargeable battery designed for sub-ohm kits, box mods, and advanced vaping devices that demand serious, reliable power.

With a large 4200mAh capacity and a 30A continuous discharge rate, this premium 21700 battery delivers excellent battery life, fast ramp-up, and consistent performance at higher wattages, making it ideal for DTL and sub-ohm vaping.

Widely recognised as a P42A-class cell, this battery is a popular choice for advanced users seeking dependable all-day performance with compatible 21700 vape mods.

Key Features

• 4200mAh capacity
• 30A continuous discharge rate
• 21700 battery size
• Flat-top design
• High-drain Li-ion cell
• Ideal for sub-ohm vaping
• Excellent battery life
• Supplied in a protective battery case
• Suitable for regulated vape mods and compatible mechanical devices

Why Choose the Vapcell P42A 21700 Battery?

The Vapcell P42A / INR 21700 battery is designed for vapers who need a battery that can comfortably handle higher wattage devices without sacrificing battery life.

Compared with smaller 18650 batteries, the larger 21700 format offers:

• longer time between charges
• stronger power delivery
• improved performance at higher wattages
• better overall efficiency

Its 30A discharge capability makes it particularly well-suited to modern sub-ohm vape kits and box mods running at higher power settings.

Whether you are using a high-powered dual-battery mod or a single 21700 device, this battery offers reliable power output and smooth performance throughout the day.

Vapcell P42A 21700 Battery Specifications

• Model: Vapcell P42A / INR21700
• Battery Size: 21700
• Capacity: 4200mAh
• Continuous Discharge Rate: 30A
• Nominal Voltage: 3.6V
• Maximum Charge Voltage: 4.2V
• Top Type: Flat-top
• Protection: Unprotected
• Dimensions: 21mm x 70mm
• Weight: Approx. 67g per cell

Ideal For

The Vapcell P42A 21700 battery is perfect for:

• high-wattage vape mods
• sub-ohm tanks
• RTA and RDA setups
• regulated box mods
• advanced vape kits using 21700 batteries

Always ensure your device is compatible with 21700 flat-top batteries before purchase.

Important Battery Safety Notice

Lithium-ion batteries must always be handled with care.

By purchasing batteries from Legion of Vapers, the buyer accepts all risks associated with the correct use, storage, and charging of Li-ion cells.

Please always follow safe battery handling practices:

• Only use a charger suitable for Li-ion batteries
• Never leave batteries charging unattended
• Never carry loose batteries in your pocket or bag
• Always use the supplied battery case
• Never use a battery with damaged wraps
• Never expose batteries to extreme heat
• Never fully discharge the cell
• Replace damaged wraps immediately

For optimal longevity and safety, we recommend charging with a high-quality external battery charger.

These batteries are supplied in individual protective cases and are sold as a pair.