⚙️ Key Benefits:
- Long lifespan – up to 500 charge cycles without significant capacity loss
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High performance – up to 45A continuous discharge current for stable power delivery
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Versatile use – ideal for e-bikes, drones, power tools, and industrial applications
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Safety – high-quality construction with low internal resistance and excellent thermal stability
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Compact design Ø 21.7 × 70.2 mm – easy integration into various battery systems
🔋 Technical Specifications:
- Type: Li-ion 21700
- Model: Molicel P42A
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Capacity: 4200 mAh
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Nominal Voltage: 3.6–3.7 V
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Maximum Charging Voltage: 4.20 V ± 0.05 V
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Maximum Continuous Discharge Current: 45 A
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Minimum Discharge Voltage: 2.5 V
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Chemistry: Li-ion (NMC)
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Positive Terminal: Flat Top
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Protection Circuit: Unprotected (for use with PCB or BMS)
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Dimensions: Ø 21.7 × 70.2 mm
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Weight: approx. 67 g
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Cycle Life: up to 500 cycles (under proper use)
⚠️ Safety Warning
This battery is unprotected and designed only for use in protected battery packs equipped with a PCB (Protection Circuit Board) or BMS (Battery Management System).
Improper handling may result in overheating, fire, or injury.
Never charge the battery unattended and avoid use with e-cigarettes, vaporizers, or unprotected circuits.
Always charge using a smart charger made for Li-ion cells and store in non-conductive protective cases to prevent short circuits or physical damage.
