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UltraFire WF-139 Li-Ion Battery Charger (US) charges 18650/14500/18500/17670/17500 ↓ details & specifications
$7.88
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Power & Batteries
Current Output 0.45 A
Input Type AC 100~240V
Maximum Supported Battery Length 70.8 mm
Output Type DC 4.2V
Plug Type US
Manufacturer
Brand
UltraFire
Package
Package Type Retail
Dimensions us | metric
Depth 29 mm
Height 133 mm
Width 63 mm
Product Weight 103 g
FastTech
SKU 1078201
DATE LISTED 11/15/2012
Details:
  • Charges all 3.6/3.7V Li-ion batteries (such as 18650 and CR123A)
  • Charge single or two batteries at a time 
  • Two separate charging channels - batteries can be mix-charged
  • Auto-off when batteries are fully charged
Questions?

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

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CyborgFranky
Verified

VERIFIED OWNER
  • JoinedDec 2014
  • Posts 2
  • Reviews 65
  • Kudos0
Overall
› Quality
› Value
PROS
Sturdy works well good price
Very nice little unit. Have been using it every day for nearly a year with no problems.
Reviewed on 10/16/2015

ltopp
Verified

VERIFIED OWNER
  • JoinedDec 2013
  • Posts 23
  • Reviews 38
  • Kudos17
Overall
› Quality
› Value
Been using this charger for almost a year and it does a great job with all batteries I've tried.
Reviewed on 7/2/2014

_UPz_
Verified

VERIFIED OWNER
  • JoinedJan 2013
  • Posts 14
  • Reviews 32
  • Kudos5
Overall
› Quality
› Value
PROS
Inexpensive decent built quality trouble-free
CONS
No eur plug option.
This is a classic! One of the first popular Li-Ion chargers. Nowadays we have hundred alternatives from almost every FL manufacturer, but this one still can be used for common daily charging.
Reviewed on 4/16/2014

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Ambustus
Verified

VERIFIED OWNER
  • JoinedMay 2013
  • Posts 588
  • Reviews 30
  • Kudos357
Overall
› Quality
› Value
PROS
Charges wide range of batteries Charge indicators 12V DC option
CONS
None
It does exactly what it should.Batteries come off the charger at 4.18V which is pretty good result. Never had any problem with it.Very good value for the money.
Reviewed on 12/29/2013

xlg123
Verified

VERIFIED OWNER
  • JoinedOct 2013
  • Posts 0
  • Reviews 5
  • Kudos0
Overall
› Quality
› Value
PROS
Quick Charge Auto shut off Does not get hot Charges different sizes
CONS
None
A great battery charger for 3.7v batteries, can charge all different size of batteries, highly recommended!
Reviewed on 11/23/2013
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