- Stock: In Stock
- Model: INR21700-P42A
Power your devices with one of the most reliable and iconic high-drain cells on the market: the Molicel INR21700-P42A. Widely praised for its legendary consistency and thermal stability, the P42A combines a 4000mAh capacity with an impressive continuous discharge rating of up to 45A.
Designed for high-demand applications, the P42A maintains minimal voltage sag under heavy current loads, making it a go-to choice for power tools, high-lumen flashlights, electric skateboards, custom battery packs, and high-performance electronics.
Key Features:
100% Genuine Molicel Cell: Manufactured under strict quality standards with exceptional cell-to-cell consistency.
45A High-Drain Rating: Delivers continuous high discharge (with temperature monitoring up to 80°C) or 30A continuous output without thermal limits.
Balanced 4000mAh Capacity: Offers excellent energy density to keep your high-power equipment running longer.
Low Internal Resistance: Minimizes heat buildup and maximizes power delivery efficiency under heavy stress.
Standard Industrial Flat Top: Ideal for spot welding into custom packs or fitting into standard 21700 battery sleds.
Technical Specifications:
Parameter | Specification |
|---|---|
Manufacturer | Molicel (E-One Moli Energy) |
Model | INR21700-P42A |
Form Factor | 21700 |
Terminal Type | Flat Top |
Nominal Capacity | 4000 mAh |
Minimum Capacity | 4000 mAh |
Nominal Voltage | 3.6V - 3.7V |
Full Charge Voltage | 4.2V ± 0.05V |
Discharge Cut-off Voltage | 2.5V |
Max Continuous Discharge | 30A (Without Temp Cutoff) / 45A (With 80°C Temp Cutoff) |
Standard Charge Current | 4.2A (1.0C) |
Max Charge Current | 8.4A |
Rechargeable | Yes |
Dimensions | Approx. 21.4 mm (Diameter) x 70.0 mm (Length) |
Weight | Approx. 67g |
Safety Warning & Usage Guidelines:
Fully charge the battery to 4.2V before initial use.
Never discharge below 2.5V under load.
Never carry loose batteries in a pocket or bag where metallic objects could bridge terminals and cause a short circuit.
Store and transport batteries in dedicated, non-conductive plastic storage cases.
Use only high-quality smart chargers designed for 21700 Li-ion cells.
