Description
Molicel P42A 21700 Battery – High-Performance Lithium-Ion Power Cell
Overview
The Molicel P42A 21700 Battery is a high-performance lithium-ion rechargeable power cell, designed for demanding applications requiring high capacity and power output. With an impressive 4200mAh capacity and a continuous discharge rate of 45A, this battery is one of the best choices for high-drain devices, ensuring long-lasting performance and reliability.
Key Features
✅ High Capacity: 4200mAh ensures extended runtime before requiring a recharge.
✅ Ultra-High Discharge Rate: 45A continuous discharge, ideal for power-hungry applications.
✅ Lithium-Ion Chemistry: Provides efficiency, stability, and low internal resistance.
✅ Rechargeable & Durable: Supports multiple charge cycles with minimal performance loss.
✅ Larger 21700 Size: Offers higher capacity and better performance compared to standard 18650 batteries.
Specifications
| Specification | Details |
|---|---|
| Brand | Molicel |
| Model | P42A |
| Battery Type | 21700 |
| Capacity | 4200mAh |
| Nominal Voltage | 3.6V |
| Full Charge Voltage | 4.2V |
| Discharge Cutoff Voltage | 2.5V |
| Continuous Discharge Rate (CDR) | 45A |
| Rechargeable | Yes |
| Protected | No (Unprotected cell – use with proper safety measures) |
| Cycle Life | ~300+ charge cycles |
| Diameter | 21.4mm |
| Length | 70.0mm |
| Weight | ~67g |
Applications
The Molicel P42A is widely used in high-drain electronic devices, including:
🔋 Electric Vehicles (EVs) & E-Bikes – Provides high power output and long-lasting charge cycles.
🔋 Battery Packs – Frequently used in custom-built high-performance battery packs.
🔋 Power Tools – Suitable for cordless drills, saws, and heavy-duty equipment.
🔋 RC Vehicles & Drones – Delivers stable and long-lasting energy output.
🔋 Flashlights & Tactical Gear – Ideal for high-performance LED torches and professional gear.
Safety Guidelines & Warnings
⚠️ IMPORTANT SAFETY NOTICE ⚠️
Lithium-ion batteries require proper handling and knowledge to ensure safe usage. Failure to follow safety guidelines may result in fire, explosion, serious injury, or property damage.
General Safety Guidelines
✔ Only purchase and use if you fully understand lithium-ion battery safety.
✔ Always charge in or on a fire-resistant surface—never leave batteries charging unattended.
✔ Use only a compatible smart charger designed specifically for this type of battery.
✔ Store batteries in a protective case—never carry them loose in a pocket, bag, or purse.
✔ Keep away from metal objects (keys, coins, tools) to prevent short circuits.
✔ Use only within manufacturer-listed specifications and in protected battery packs.
✔ Resellers must provide these warnings to all customers.
🚫 Prohibited Uses & Handling
⛔ DO NOT use this battery in e-cigarettes, vaporizers, or similar devices.
⛔ DO NOT mix old and new, or used and unused batteries.
⛔ DO NOT short circuit, puncture, cut, crush, incinerate, or modify the battery.
⛔ DO NOT use if the battery wrapper is torn or damaged in any way.
⛔ DO NOT overcharge or over-discharge—this can lead to battery failure.
⛔ DO NOT expose the battery to liquids, extreme heat, or direct sunlight.
⛔ DO NOT solder directly—only use spot welding for battery pack assembly.
⚠ User Responsibility & Risk Acknowledgment
- The user assumes full responsibility for proper handling, charging, and storage.
- Misuse or mishandling may result in serious injury or damage.
- No guarantee of compatibility with any specific device is provided.
- Usage of this battery is at your own risk.
By purchasing and using the Molicel P42A 21700 Battery, you acknowledge and agree to follow all safety guidelines. Failure to comply may result in hazardous consequences. Prior knowledge of lithium-ion battery safety is required before purchase.
Stay safe and handle responsibly. 🔋