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Ultrafire 2400mAh 3.7V Protected 18650 Cell

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Ultrafire 2400mAh 3.7V Protected 18650 Cell

Price: $6.17
SKU: 31307
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Price  $5.92   $5.74   $5.61   $5.49 
Description
  • 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

Specifications:

  • 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.
  • 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 storage temperature: -20~60'C (65% humidity)

Previous: CR123A Lithium Battery

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