DX  » Community » Reviews » UltraFire WF-188 Rapid Charger for 3.2V/3.7V Lithium Batteries (100~240V)
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  • 3 Star:101 (10%)
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100% of customers would recommend this product to a friend.

    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    http://dx.com/p/ultrafire-wf-188-rapid-charger-for-3-2v-3-7v-lithium-batter

    posted by hirou on 03/02/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    I have had 4 Lithium chargers and 9 NiMH battery charges and this is the best. It charges two batteries independently and to different voltages. This allows me to use batteries of different chemistry and it also has different charge rates. I generally slow...
    Cons:
    It is much more money than a single cell charger or a single voltage dual charger.
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    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Nice simple charger

    posted by Fuzzuki on 11/15/2012 Certified Owner

    Involvement:Novice  (still getting used to it) - Ownership:1 day to 1 week

    Pros:
    Very simple. very light easy to use. Nice lights to indicate state of charge. Does not heat up. Charges very quick Adjusts to different size batteries easily. Adjusts to different voltages and amps. very nice feature. Charges very quickly. Attractive looki...
    Cons:
    There are no cons to this charger, as far as I can tell.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Good universal charger

    posted by MarG on 10/16/2012 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    - this is a very good universal Li-ion battery charger - can charge any battery, 3,2V to 3,7V, of any size - can charge with variable currents - lightweight, durable - charges all batteries to full charge - can charge one or two batteries (different size, s...
    Cons:
    - the pin contacts were quite bad, but with easy mod + soldering it is working like a charm! - there is only US plug, but just ...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Good charger for 18650 Li-Ion battery.

    posted by ElginAgain on 07/16/2012 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    Versatile Two voltage settings Two charge rate settings
    Cons:
    May require modification to charge some batteries.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Does its job

    posted by GGreige on 07/13/2011 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    -looks good -charges well -has adjustable voltage -has adjustable current for bigger or smaller batteries -Looks like it has gold plated contacts -can charge almost any Li-Ion battery -checks voltage ever 2 seconds or so
    Cons:
    Now for the cons... -The railing gets stuck sometimes -cheap plastic and buttons -no grips on the bottom so it slides around
    View Detail » 
    • Overall Rating: 4
    • Price: 4
    • Quality: 3
    • Ease Of Use: 3
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Great battery charger!

    posted by tylermcdermott on 07/01/2011 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    -Great value battery charger for this price. -This charger will charge just about any rechargeable lithium battery you can fit in it if you know how to properly use it. -Has the ability to switch between 3.2v and 3.7v by a switch on the side. -Has the abili...
    Cons:
    -Like most lower cost items from china the English manual is not very clear. It's very easy to misinterpret what the instructio...
    View Detail » 
    • Overall Rating: 3
    • Price: 3
    • Quality: 2
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    BAd Quality charger

    posted by srazeq on 03/10/2011 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    The build quality is so bad , the plastic is weak and can easily break, sometimes it does not charge to 4.2v it charges to 4.17v
    Cons:
    the inside build quality should be better to hold the batteries tight, my charger broke from the inside i had to glue it, the s...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 4
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Tricky with IMR (LiMn) 3.7v cells

    posted by TorchAddict on 01/30/2011 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    Fits all cell sizes from CR2 to 32670 Charges LiFePO4 and Li-Ion* Inexpensive Cuts off charge to avoid overcharging Charges two cells at once (sort of)* So much nicer for large cell sizes than using magnets and wires or homemade carriers to charge them...
    Cons:
    Does not work as well with low internal resistance 3.7V cells like AW IMR cells and Sony 26650VT cells, compared to traditional...
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 3
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    UltraFire WF-188 Rapid Charger

    posted by unrealspeed on 12/24/2010 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    - Very good charger that can charge most Lithium batteries - has two different settings for input mah which is very good so that it does not take forever to load for example 18 650 - two voltage settings for Li-ion and li-po - built-in peak cutout so ...
    Cons:
    - spring mechanism to load multiple batteries is a bit sluggish, so it does not go back to original position - comes with a 1...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Good charger for resonable price.

    posted by miodzicho on 11/05/2010 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

    Pros:
    - compatible with most of LiFe and Li-ion batteries - can be powered from 100 to 240V (US to Europe) - implemented auto-cut-off protection - buil in timer (6 hours as stated in manual) - easy to understand charging lights - green - OK, red - charging, s...
    Cons:
    - plastic seems a little too thin
    View Detail » 
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