Molicel
Molicel (E-One Moli Energy) is a Taiwanese lithium-ion cell manufacturer trusted by EV makers, power tool brands, and energy storage integrators worldwide for consistent, high-drain performance.
Molicel P42A
21700 4200mAh 45A Continuous Discharge — High-Drain Lithium-Ion Cell
The Molicel P42A is a flagship 21700 lithium-ion cell combining 4200mAh capacity with an industry-leading 45A continuous discharge rating. It is the go-to choice for high-performance e-bikes, power tools, and custom EV battery packs that demand maximum current delivery without sacrificing energy density.
Built on Molicel's advanced NMC chemistry, the P42A maintains a flat discharge curve and low internal resistance across its full capacity range. The 21700 format offers approximately 50% more energy than an equivalent 18650 cell, making it ideal for space-constrained, high-power pack designs.
Key Features
- Nominal capacity: 4200mAh
- Nominal voltage: 3.6V
- Continuous discharge: 45A
- Maximum charge voltage: 4.2V
- 21700 form factor — flat top
- Low internal resistance: ≤12mΩ
- Operating temperature: -20°C to 60°C
- UL 1642 / IEC 62133 certified
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