UltraFire BRC 18650 3.7V "4000mAh" Protected Rechargeable Li-ion Batteries (2-Pack) 1800mAh~2000mAh actual capacity ↓ details & specifications
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Power & Batteries
Battery Capacity (FastTech Tested) 1800-2000 mAh
Battery Capacity (Mfg Rated) 4000 mAh
Battery Chemistry Li-Ion
Battery Feature Rechargeable
Battery Form Factor 18650
Battery Rated Voltage 3.7 V
Manufacturer
Brand
UltraFire
Package
Package Type OEM
Total Piece Count 2
Dimensions us | metric
Depth 17 mm
Height 67 mm
Width 17 mm
Product Weight 45 g
FastTech
SKU 1040500
DATE LISTED 10/26/2012
Details:
  • Built-in PCB protection board
  • Batteries will be shipped with plastic protective case  
FastTech's QC test log for this battery (1000mAh constant current / 4.2V/2.9V cutoff):
  • 1/31/2013: 1808.6mAh
QC test information above are provided for your reference only. FastTech cannot guarantee that each battery cell shipped performs the same.
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This item is covered by FastTech's Standard Return Policy:
100% Satisfaction Guaranteed

Return for refund within: 45 days (details)
Return for replacement within: 6 months (details)

No restocking fee. Shipping charges may apply if returns are not results of FastTech's error.

Important information and restrictions:
  • Because this product contains external batteries, it can only be shipped via select shipping methods. These shipping methods are displayed when you check out the order.
Available models and parts:
$15.87 4-pack
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authentic
$15.80 2-pack
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authentic / protected
 
(1)
$16.24 2-pack
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authentic / protected
$27.41 2-pack
FREE SHIPPING ELIGIBLE
authentic / protected
$7.59 2-pack
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authentic / protected
 
(1)
$13.37 8-pack
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authentic
 
(5)
$6.26 2-pack
FREE SHIPPING ELIGIBLE
authentic / actual capacity 750mAh
 
(1)
$15.08 4-pack
FREE SHIPPING ELIGIBLE
authentic / protected
 
(3)
$10.30 2-pack
FREE SHIPPING ELIGIBLE
tested capacity 2200mAh / unprotected flat top / w/ solder tabs
$15.41 2-pack
FREE SHIPPING ELIGIBLE
actual capacity: 2500mAh / w/ carrying case
$7.56 2-pack
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tested capacity 400mAh
 
(7)
$9.68 2-pack
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tested capacity 1300mAh
 
(2)
$12.09 2-pack
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w/ carrying box / tested capacity 2600mAh
 
(3)
$6.69 2-pack
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Ships Next Day
tested capacity 1000mAh
 
(5)
$8.21 2-pack
FREE SHIPPING ELIGIBLE
1100mAh~1400mAh actual capacity
 
(1)
$7.50
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Ships Next Day
$10.65 2-pack
FREE SHIPPING ELIGIBLE
1800mAh~2000mAh actual capacity
 
(3)
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Avatar
starlyte
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VERIFIED OWNER
  • JoinedSep 2013
  • Posts 146
  • Reviews 36
  • Kudos26
Overall
› Quality
› Value
These are, evidently, not suitable for VV/VW, being protected, so FT could put that in the description, for those who are not knowledgeable about their PV's and batteries. But they're OK in Mec mods, ... (read full review)
Reviewed on 5/4/2014

dgreer1957
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VERIFIED OWNER
  • JoinedJul 2013
  • Posts 2
  • Reviews 46
  • Kudos0
Overall
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PROS
none
CONS
Do not work in Vamo V2 at all!!!!!
I don't know what these batteries are being sold for because they are not for the Vamo V2.
Reviewed on 10/7/2013

spooCQ
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  • JoinedAug 2013
  • Posts 2
  • Reviews 9
  • Kudos0
Overall
› Quality
› Value
As expected the battery doesn't last half as long as suggested by the "4000mAh" name may suggest. Also worth to mention is that the unload curve is quite steep.
Reviewed on 9/4/2013
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