Efest 21700 4000mAh 30A Battery (2 Pk)
- Style: Flat Top
- Chemistry: IMR
- Size: 21700
- Nominal capacity: 4000 mAh (Max)
- Max Continuous Rated Discharge: 30A
- Dimensions: 70.20 mm (Max) x 21.50 mm (Max)
- Weight: 68.0g (Max)
- Discharge Cut-off Voltage: 2.50V
- Nominal voltage: 3.60-3.70V
- Full Charge Voltage: 4.2V +/- 0.05V
- Protected: No, Unprotected
- Cycle info: Capacity drops to 70% after 300 full charge/discharge Cycles
- Standard Charge: Constant Current 1000mA, Constant Voltage 4.2V, Cut-Off: 50mA
- Operational Charging Temperature Range: 0 to 45 degrees Celsius (best below 45 degrees Celsius)
- Operational Discharging Temperature Range: -10 to 60 degrees Celsius (best below 60 degrees Celsius)
- 2x EFEST IMR 21700 4000mAh Rechargeable Flat Top High Drain Batteries
Electronic cigarettes, e-liquid, and other vaping products are intended for adults who are over the legal age minimum in their respective states for purchasing tobacco products. For more information, click here.
This product contains nicotine. Nicotine is an addictive chemical. For more information, click here.
Do not consume e-liquid when you are pregnant or expecting to be pregnant. For more information, click here.
CA Proposition 65 Warning
This product may contain a chemical known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, click here.
Lithium Battery Warning
Rechargeable Lithium-Ion batteries are potentially hazardous and can present a serious FIRE HAZARD if damaged, defective or improperly used. For more information, click here.
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