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Ultrafire 2400mAh 3.7V Protected 18650 Cell
SKU: A12394
$5.80
- Protected against over-charging and over-draining
- Operating voltage: 3.70 - 3.80V
- Capacity: 2400mAh
- Maximum charge/drain rate: 1.5C
- Overcharging protection point: 4.2V
- Overdraining protection point: 2.75V
** Actual product bares "Ultrafire/Protector 2400mAh protected" markings. This image is taken from a sample battery. I'll update the picture shortly to the Ultrafire logo'd one.
- Overdraining protection point: 2.75V
** Actual product bares "Ultrafire/Protector 2400mAh protected" markings. This image is taken from a sample battery. I'll update the picture shortly to the Ultrafire logo'd one.
Item: Ultrafire 2400mAh 3.7V Protected 18650 Cell
Note: this battery's diameter is slightly larger than that of the unprotected batteries. Also, the positive node of the battery is a lilttle recessed into the battery. So make sure your flashlight/application is compatible with this type of batteries.
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Dimensions: 18.0mm (0.709") in diameter, 67.0mm (2.638") in height
Weight: 50g (1.76oz)
Shell material: Steel
Battery format: 18650
Designed voltage: 3.7V
Operating voltage: 3.7~3.8V
Designed Capacity: 2400mAh
Internal resistance: <= 120 mohm
Protection Kicks In: @2.75V and @4.2V
Optimal charging temperature: 0~45'C
Optimal usage temperature: -20~60'C
Optimal usage temperature: -20~60'C
Optimal storage temperature: -20~60'C (65% humidity)
Price: $5.80
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