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Sold by: simlewareUS
(105 ratings)
99% positive over last 12 months
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18650 Battery Charger, Keenstone Smart Universal Charger LCD Display for Rechargeable Batteries Ni-MH Ni-Cd AA AAA Li-ion LiFePO4 IMR 10440 14500 16340 RCR123A 26650

4.7 4.7 out of 5 stars 4,059 ratings

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Purchase options and add-ons

Brand Keenstone
Color black
Product Dimensions 4.13"D x 5.91"W x 1.57"H
Item Weight 0.96 Pounds
Input Voltage 240 Volts

About this item

  • 🔋UNIVERSAL CHARGER FOR: Li-ion LiFePO4 IMR INR ICR 25500 22650 𝟏𝟖𝟔𝟓𝟎 18490 18500 18350 16340 RCR123A 14500 10440 Batteries, Ni-MH Ni-Cd A AA AAA AAAA SC Batteries.
  • 🔋HIGH QUALITY: Compliant standard - UL CUL CE TUV GS PSE FCC RoHS C-TICKCB. Built-in intelligent circuits protection to protect the battery safety charged.
  • 🔋LCD DISPLAY: LCD display to monitor the four slots information. Each battery parameter such as voltage (V), current (mA), time (h) can be showed independently by pressing the A/B/C/D button.
  • 🔋MULTI CHARGE OPTIONS: 4 independently bay, 2 charge curent (500mA,1000mA) to meet your various needs; Black and grey are just different in color to meet your multiple aesthetic.
  • 🔋SAFETY: Protection of overcharge, over-discharge, short circuit and reverse polarity.

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$28.99
Get it as soon as Tuesday, Apr 2
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Sold by Supaermeron and ships from Amazon Fulfillment.
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$27.88
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Ships from and sold by SOOCOOL Christmas Surprise.
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$30.96
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Ships from and sold by SOOCOOL Christmas Surprise.
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Important information

Safety Information

It can NOT be used to charge non-rechargeable batteries


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This Item
18650 Battery Charger, Keenstone Smart Universal Charger LCD Display for Rechargeable Batteries Ni-MH Ni-Cd AA AAA Li-ion LiFePO4 IMR 10440 14500 16340 RCR123A 26650
18650 Battery Charger, Keenstone Smart Universal Charger LCD Display for Rechargeable Batteries Ni-MH Ni-Cd AA AAA Li-ion LiFePO4 IMR 10440 14500 16340 RCR123A 26650
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Price$28.99-6% $15.99
Typical:$16.99
$29.99-29% $9.99
List:$13.99
$9.55$19.99
Delivery
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Customer Ratings
Value for money
4.4
3.7
4.4
4.0
3.8
Easy to use
4.6
4.5
4.4
4.0
Versatility
4.5
3.7
4.5
Sold By
Supaermeron
amycode
UST6
EBL official
light-elves
IMREN Direct
output voltage
4.2 volts
4.2 volts
4.2 volts
input voltage
240 volts
240 volts of alternating current
4.2 volts
3.7 volts
110 volts of alternating current
5 volts
weight
0.96 pounds
0.21 kilograms
0.75 pounds
0.33 pounds
4.8 ounces

Product Description

18650 battery charger
18650 charger
18650 charger
18650 charger
18650 charger
18650 charger

Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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18650

18650 Battery Charger, Keenstone Smart Universal Charger LCD Display for Rechargeable Batteries Ni-MH Ni-Cd AA AAA Li-ion LiFePO4 IMR 10440 14500 16340 RCR123A 26650


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Customer reviews

4.7 out of 5 stars
4.7 out of 5
4,059 global ratings

Customers say

Customers like the quality, versatility, and readability of the battery charger. For example, they say it can charge many different types of batteries, it's easy to read, and provides good readings on a crisp digital display. Customers are also impresseded with the information it provides, saying it'll help them understand the condition of their batteries. Overall, customers are happy with performance, chart, and ease of use.

AI-generated from the text of customer reviews

306 customers mention221 positive85 negative

Customers like the quality of the battery charger. They mention that it works well, charges fine, and can charge many different types of batteries. Some say that it gets extremely hot when left on charging. Overall, most are satisfied with the product's quality and functionality.

"...The charger's design also featured safety mechanisms to prevent overcharging or overheating, ensuring the protection of both the batteries and the..." Read more

"This unit works great! It even detects the battery type. Great charger for the money." Read more

"...The charger is fast and has the option of being faster by switching from 500 mA to 1000 mA. This is a per bay setting...." Read more

"...I have tried a number of these chargers and they are cheap, thin plastic and mediocre displays. Power source is usually 5vdc from a usb adapter...." Read more

169 customers mention159 positive10 negative

Customers are satisfied with the performance of the battery charger. They mention that it works well, it charges fast, and it doesn't overheat. Some say that it's an almost perfect product that does a good job with AA batteries. The LCD display is nice and functional, and easy to read. Overall, most are happy with their purchase and recommend it to others.

"...It effectively helped me revive usable batteries and discard non-functional ones, ensuring optimal performance for my devices." Read more

"This unit works great! It even detects the battery type. Great charger for the money." Read more

"...It is super cool. You can even charge different battery sizes at the same time as each bay is independent...." Read more

"...] This charger, powered by an AC plug, is an almost perfect product...." Read more

57 customers mention51 positive6 negative

Customers like the value of the battery charger. They say it's a worthwhile investment, has a lot of features for the price, and is a good buy.

"...the convenience of identifying non-working batteries made it a worthwhile investment...." Read more

"This unit works great! It even detects the battery type. Great charger for the money." Read more

"good price for a easy to use charger for 18650 batteries" Read more

"Has worked reliably for me for months now. Seems to be a good value." Read more

56 customers mention56 positive0 negative

Customers find the battery charger easy to use. They mention it's simple, easy to set up, and use. Customers also appreciate the easy-to-follow instruction manual and the ability to charge multiple batteries simultaneously. They say it'll work well and is convenient and practical. Customers like that the read-outs while charging are intuitive to understand.

"...Its user-friendly design, ability to charge multiple batteries simultaneously, and the convenience of identifying non-working batteries made it a..." Read more

"good price for a easy to use charger for 18650 batteries" Read more

"...quickly, gives good readings on a crisp digital display, and it's easy to use. Couldnt be happier with this unit.. let's see how long it lasts." Read more

"...It's easy to use, easy to read, has an output of .5 or 1 amp which can be individually changed by the press of a button at each bay, and can handle..." Read more

32 customers mention30 positive2 negative

Customers find the display of the battery charger extremely easy to read and helpful. They say the display is very clear and bright. Customers also say that it gives good readings on a crisp digital display. They mention that the charger works fast and the LCD display is nice.

"...Charges quickly, gives good readings on a crisp digital display, and it's easy to use...." Read more

"...It's easy to use, easy to read, has an output of .5 or 1 amp which can be individually changed by the press of a button at each bay, and can handle..." Read more

"...great screen - easy to read and good information, no "wall wort"/USB - AC plug or car plug, and..." Read more

"...Great for the price and the display is pleasing and shows voltage, charge levels, and time." Read more

21 customers mention21 positive0 negative

Customers find the information provided by the battery charger useful, helpful, and clear. They say it provides the necessary data to know the condition of your batteries and is easy to use. Customers also appreciate the clear indications as to whether the batteries are charging or not.

"...battery charger for 18650 batteries proved to be an invaluable tool for assessing the condition and charging capabilities of my older batteries...." Read more

"...I do like the info provided on the display and that the screen turns off when the batteries are removed...." Read more

"...great screen - easy to read and good information, no "wall wort"/USB - AC plug or car plug, and super simple to use..." Read more

"...Very helpful." Read more

16 customers mention14 positive2 negative

Customers like the chart of the battery charger. They say it shows the charge status and levels, and is informative. They also appreciate the charging modes and the physical charge of the batteries. The indicator lights are easy to read, and the charger charges each battery individually. Overall, customers are happy with the display and overall functionality of the product.

"...The charger's intuitive design made it easy to understand the charging process and assess the batteries' condition accurately...." Read more

"...charger automatically sense what type of battery, display shows charging rate and voltage status. Quite pleased with this charger and recommend it." Read more

"...I like the display and overall functionality." Read more

"Has a independent, easy to read displays for each battery. Charges each battery individually...." Read more

15 customers mention15 positive0 negative

Customers like the versatility of the battery charger. They mention that it comes in handy, has nice features, and is extremely versatile. They also say that it is practical, very useful for home, and perfect for keeping kids toys working. Customers also appreciate the comprehensive power supply options and accurate gages for each.

"...This is convenient and practical." Read more

"Extremely versatile...." Read more

"...not the cheapest charger I could find but it does provide all the features I needed and the high quality for the price...." Read more

"Item was useful in every single need." Read more

Faster than your average charger.  It is versatile and robustly constructed
4 Stars
Faster than your average charger. It is versatile and robustly constructed
This charger, powered by an AC plug, is an almost perfect product. It has four spring-loaded battery holders that allow various rechargeable batteries to be loaded and charged. The attached photo shows four 18650 rechargeable cells where charging has finished. The display above each cell cycles through, showing how long the batteries have been charging, how many milli-amps are drawn by the battery, and the voltage the battery has been charged to. A small button beneath each display allows the charge rate to be switched between 500 and 1000 mA. When a battery draws 0.00 mA, it is fully charged; I was looking for a fast charger because my application can discharge them rapidly. This charger easily beats the chargers that use a USB connector to provide power. This charger is "almost perfect" because once charged, the charging stops, and the batteries begin to discharge in place. That means if I put the batteries in to charge when I go to bed, in the morning, I will find charged batteries that have since discharged a little. That is truly annoying because they can take hours to charge and this feature makes me a slave to the charger. I need to be there when they finish charging to remove them before they start losing charge. Another feature that surprised me is that when the batteries are fully charged, according to this charger, my other charger continues to charge them for around 15 minutes! The short video shows me removing batteries that have just finished charging, and I remove and put them in another charger, whose orange light indicates that they need more charge. Experiments show that the second charger charges for, on average, 15 minutes after this charger thinks the batteries are fully charged. It may be good for the batteries to avoid overcharging them.; I don't know. It is a minor issue. Despite these minor difficulties, the charger is the best that I have found; It is robustly constructed and I recommend it.
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4.0 out of 5 stars Faster than your average charger. It is versatile and robustly constructed
Reviewed in the United States on June 30, 2023
This charger, powered by an AC plug, is an almost perfect product. It has four spring-loaded battery holders that allow various rechargeable batteries to be loaded and charged. The attached photo shows four 18650 rechargeable cells where charging has finished. The display above each cell cycles through, showing how long the batteries have been charging, how many milli-amps are drawn by the battery, and the voltage the battery has been charged to. A small button beneath each display allows the charge rate to be switched between 500 and 1000 mA. When a battery draws 0.00 mA, it is fully charged; I was looking for a fast charger because my application can discharge them rapidly. This charger easily beats the chargers that use a USB connector to provide power. This charger is "almost perfect" because once charged, the charging stops, and the batteries begin to discharge in place. That means if I put the batteries in to charge when I go to bed, in the morning, I will find charged batteries that have since discharged a little. That is truly annoying because they can take hours to charge and this feature makes me a slave to the charger. I need to be there when they finish charging to remove them before they start losing charge. Another feature that surprised me is that when the batteries are fully charged, according to this charger, my other charger continues to charge them for around 15 minutes! The short video shows me removing batteries that have just finished charging, and I remove and put them in another charger, whose orange light indicates that they need more charge. Experiments show that the second charger charges for, on average, 15 minutes after this charger thinks the batteries are fully charged. It may be good for the batteries to avoid overcharging them.; I don't know. It is a minor issue. Despite these minor difficulties, the charger is the best that I have found; It is robustly constructed and I recommend it.
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11 people found this helpful
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Reviewed in the United States on March 23, 2024
Color: blackVerified Purchase
Reviewed in the United States on February 24, 2024
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