Description
🔋 Product Overview
The Crocks Pack Molicel INR 21700 P42A 3.7V 4200mAh 1S1P Drone Battery Pack is a premium lithium-ion battery designed for high-drain applications, including FPV drones, UAVs, RC vehicles, and robotics projects.
This pack uses authentic Molicel P42A cells, known for their high current capability, low internal resistance, and excellent cycle life, ensuring reliable power delivery under demanding conditions.
Professionally assembled by Crocks Pack, this battery features precision spot-welded nickel tabs and high-quality insulation, making it safe, durable, and perfect for high-performance drones and RC systems.
⚙️ Key Features
✅ Genuine Molicel INR21700 P42A cells for maximum reliability
⚡ Nominal Voltage: 3.7V | Capacity: 4200mAh
🔋 High Discharge Capability: 40A continuous / 50A peak
🔒 Safety design: built-in pressure vent and thermal stability
🌡️ Operating temperature range: -20°C to +75°C
🧠 1S1P compact configuration for lightweight and modular drone setups
🔌 Low internal resistance for stable voltage under high loads
💡 Durable construction with spot-welded pure nickel tabs
🚀 Applications
FPV Drones & Racing UAVs
RC Cars, Boats, and Aircraft
Robotics & Automation Projects
DIY High-Performance Battery Modules
Backup Power Systems
🌟 Why Choose Crocks Pack Molicel INR21700 P42A?
The Molicel P42A cell is a high-performance 21700 Li-ion cell capable of delivering up to 50A peak discharge while maintaining excellent thermal stability and cycle life.
The Crocks Pack assembly ensures low resistance, high efficiency, and safe operation, making this 1S1P battery ideal for drones, FPV racing, and RC projects where high power output and reliability are essential.
📦 Package Includes
1 × Crocks Pack Molicel INR21700 P42A 3.7V 4200mAh 1S1P Battery
Pre-soldered Nickel Tabs (optional)
Quality Assurance Certificate
⚠️ Safety & Handling
Do not short-circuit, puncture, or crush the battery.
Charge only with compatible Li-ion chargers.
Avoid exceeding maximum charge (4.2V) or discharge limits.
Keep away from heat sources and direct sunlight.





