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andyz
Member

VERIFIED OWNER
  • JoinedJan 2013
  • Posts 3
  • Reviews 77
  • Kudos2
Overall   (4.7)
› Quality
› Value
9 of 9 people found the following review helpful
PROS
High capacity Build quality
CONS
Special 4.35V charger is required
Although they can be charged by ordinary Li-Ion charger (in this case capacity is around 2650-2700 mah) full capacity reached when charged up to 4.35V. It measured as follows (cut off 2,9V): 1st - 2895 mAH 2nd - 2901 mAH 3rd - 2914 mAH
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Authentic Samsung ICR 18650-28A 18650 3.7V 2800mAh Rechargeable Lithium Batteries (2-Pack)
Authentic Samsung ICR 18650-28A 18650 3.7V 2800mAh Rechargeable Lithium Batteries (2-Pack)

andyz
Member

VERIFIED OWNER
  • JoinedJan 2013
  • Posts 3
  • Reviews 77
  • Kudos2
Overall   (4.5)
› Quality
› Value
4 of 4 people found the following review helpful
PROS
High (proven) capacity
CONS
Needs special 4,3V charger
Capacity measured as follows (charged up to 4.21V, 2A discharge current): 3.0V cut off - 2450 mAh 2,9V cut off - 2550 mAh 2,75V cut off - 2630 mAh Seems capacity to be close to 2800 mAh when charged up to 4,3V as per datasheet.
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TP4056 1A Li-Ion battery Charging Module
TP4056 1A Li-Ion battery Charging Module

andyz
Member

VERIFIED OWNER
  • JoinedJan 2013
  • Posts 3
  • Reviews 77
  • Kudos2
Overall   (4.2)
› Quality
› Value
3 of 3 people found the following review helpful
Supports 0,9-0,95 A charging current when powered form PC USB. Strictly follows CC/CV algorithm, terminates charge at ~0,1A. Amazing module for such tiny price.
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andyz
Member

VERIFIED OWNER
  • JoinedJan 2013
  • Posts 3
  • Reviews 77
  • Kudos2
Overall   (5.0)
› Quality
› Value
3 of 3 people found the following review helpful
PROS
Proven capacity Price
CONS
None
I've tested 4 pcs (discharge to 3V, full charge 0.4C, discharge 0.4C to 2.9V) and all of them shown capacity exceeding nominal: 2602, 2605, 2587, 2598. The only question is how many cycles they'll work.
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Authentic OLIGHT i3E EOS LED Flashlight
Authentic OLIGHT i3E EOS LED Flashlight

andyz
Member

VERIFIED OWNER
  • JoinedJan 2013
  • Posts 3
  • Reviews 77
  • Kudos2
Overall   (4.5)
› Quality
› Value
2 of 2 people found the following review helpful
PROS
Bright and lightweight Brandname Cheap
CONS
None significant
Pleasant "pure white" tint, subjectively around 5500K. Wide spot. There is sligtly greenish area around spot but visible in short range on white surface only. 90 lm seems to be true but visually look around 70. .
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