Molicel P42A 21700 Battery INR 4200mAh Single Cell
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Molicel P42A 4200mAh 21700 battery is a rechargeable lithium-ion cell built for high-drain devices that need both strong output and long runtime. It provides 4200mAh nominal capacity, 30A continuous discharge, and a 3.6V nominal voltage.
This Molicel INR21700 P42A cell uses a flat-top, unprotected 21700 format, measuring roughly 21mm × 70mm. Its larger 21700 size gives it more energy capacity than many 18650 cells, while its 30A discharge rating works well in powerful devices such as vape mods, bright torches, battery packs, and testing projects.
Molicel, the battery brand of E-One Moli Energy, produces the P42A for consistent lithium-ion performance. The cell suits users who need a balance of capacity, current delivery, and reliable voltage behaviour under load.
Why Choose Molicel P42A 21700 4200mAh 45A Battery?
Molicel 21700 P42A 4200mAh 45A battery supports high pulse output up to 45A and maintains voltage stability under load.
Key performance advantages:
- Delivers 30A continuous discharge for high-drain devices
- Provides 4200mAh capacity for extended usage cycles
- Maintains low internal resistance for efficiency
- Supports fast charging with controlled heat output
This combination makes it a preferred cell for advanced vape users and engineers.
Molicel P42A 21700 Battery Specifications
| Attribute | Value |
|---|---|
| Brand | Molicel |
| Model | INR21700 P42A |
| Battery Size | 21700 (21mm × 70mm) |
| Capacity | 4200mAh |
| Nominal Voltage | 3.6V to 3.7V |
| Max Charge Voltage | 4.2V |
| Continuous Discharge | 30A |
| Peak Pulse Discharge | Up to 45A |
| Chemistry | INR Lithium-ion |
| Top Type | Flat Top |
| Protection | Unprotected |
| Rechargeable | Yes |
What Devices use the Molicel 21700 Vape Battery?
Molicel P42A 21700 battery powers high-drain electronics requiring consistent current delivery.
Here is a list of compatible devices:
- Powers vape mods with sub-ohm coils
- Supports high-lumen LED torches
- Runs cordless power tools
- Enables battery packs and prototypes
Devices requiring stable amperage benefit most from this cell.
How Does Molicel P42A Compare to Other 21700 Batteries?
Molicel P42A balances capacity and discharge better than many competitors.
| Model | Capacity | Continuous Discharge | Use Case |
|---|---|---|---|
| Molicel P42A | 4200mAh | 30A | Balanced performance |
| Samsung 40T | 4000mAh | 30A | High-drain focus |
| LG M50LT | 5000mAh | ~15A | High capacity, low drain |
The P42A suits users needing both runtime and power output.
Is the Molicel P42A 21700 Battery Safe?
Yes, the Molicel P42A is safe when used within specifications. It operates between 2.5V and 4.2V and performs best below 30°C.
Here are steps to keep your equipment safe:
- Use with proper battery management systems
- Avoid over-discharge below 2.5V
- Store near 3.6 to 3.7V for longevity
- Inspect wraps and terminals regularly
How to Identify an Authentic Molicel P42A Battery?
Authentic cells show consistent manufacturing traits.
Use these checks to confirm your Molicel P42A battery is authentic:
- Negative terminal shows a grainy metallic texture
- Positive terminal has precise flat-top shaping
- Outer wrap includes clean, aligned printing
- Weight remains around 65 to 70g
Buy only from verified UK suppliers Royal Vapery for authenticity.
FAQs About Molicel P42A 21700 Battery 4200mAh
What is the capacity of the Molicel P42A?
Molicel P42A provides 4200mAh capacity, enabling longer runtime compared to standard 3000mAh to 3500mAh cells.
What is the maximum discharge of Molicel P42A?
The battery supports 30A continuous discharge and up to 45A pulse output under controlled conditions.
Is Molicel P42A good for vaping?
Yes, the Molicel 21700 vape battery supports sub-ohm vaping due to its high current output and voltage stability.
What voltage does a Molicel 21700 battery use?
The cell operates at 3.6V to 3.7V nominal and charges up to 4.2V.
Where are Molicel batteries made?
Molicel batteries are produced by E-One Moli Energy, a Taiwanese manufacturer with global distribution.
How long does a Molicel P42A last?
The battery typically lasts 300 to 500 charge cycles, depending on usage patterns and charging conditions.
Where can you buy Molicel batteries in the UK?
You can buy Molicel batteries such as the P28A 18650 and P42A 21700 from trusted UK vape retailers like Royal Vapery, which offers authentic, high-drain lithium-ion cells suitable for vape mods and other devices.
Royal Vapery dispatches all UK orders the same working day on orders placed before 3pm. Free next-day delivery applies to orders over £20 via Royal Mail Tracked 24. Standard delivery starts from £2.99.
Weekend dispatch operates on Saturdays for Monday arrival. Every parcel ships in plain packaging with age-verified handover at the doorstep.
