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Ships from: Amazon Sold by: Supaermeron
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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
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
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.
Customers usually keep this item
This product has fewer returns than average compared to similar products.
Frequently bought together
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Important information
Safety Information
It can NOT be used to charge non-rechargeable batteries
From the brand
Professional battery and charger manufacturer
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How we got our start?
In the past, my batteries was always dead on various occasions, on the way to work, camping, outdoor adventures, etc. At the same time, the battery life is getting shorter and shorter. Do we really know our battery?
What makes our product unique?
Now our professional team developed this smart battery charger for 2 years. Outdoors, we can charge our batteries in the car. At the same time, the intelligent detection system will allocate different charging schemes according to different battery types, which is more intelligent.
Are our products high quality?
Before leaving the factory, we will conduct performance tests on each product, and we will eliminate non-conforming products, and you can buy and use them with confidence.
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Safe to use
Keenstone battery charger can effectively prevent reverse, short circuit, overcharge, over discharge, over-current damage to the battery, which makes users using the product without any safety concern.
Multi ways to charge
Keenstone 18650 Universal battery charger comes with a AC Adapter and a Car Adapter to meet all your needs
Premium materials
Made of ABS, V0 Class Fire-retardant Materials.
Compare with similar items
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 | Recommendations | dummy | dummy | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | $28.99$28.99 | -6% $15.99$15.99 Typical: $16.99 | $29.99$29.99 | -29% $9.99$9.99 List: $13.99 | $9.55$9.55 | $19.99$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
Product information
Product Dimensions | 5.91 x 4.13 x 1.57 inches |
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Item Weight | 15.3 ounces |
ASIN | B07JD77LVD |
Item model number | 1071035 |
Customer Reviews |
4.7 out of 5 stars |
Is Discontinued By Manufacturer | No |
Date First Available | October 12, 2018 |
Manufacturer | Keenstone |
Warranty & Support
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Customer Review: Works great unlike my last!
Scott & Amanda
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Honest review of this battery recharger
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Customer Review: Quality good and has its own plug for the wall
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18650 battery universal charger
keenstone
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers 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
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
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
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
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
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
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
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
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
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Top reviews
Top reviews from the United States
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Firstly, the charger's functionality in testing and charging 18650 batteries was impressive. It provided clear indications as to whether the batteries were charging or not, eliminating any guesswork. This feature was particularly helpful in determining the status of my older batteries, as their performance had become unpredictable over time. The charger's intuitive design made it easy to understand the charging process and assess the batteries' condition accurately.
The convenience of this battery charger was another standout feature. It allowed me to charge multiple batteries simultaneously, saving time and effort. Instead of having to charge each battery individually, I could conveniently place them in the charger and let it handle the process efficiently. This feature was especially valuable when dealing with a large number of batteries.
One aspect I particularly appreciated was the charger's ability to identify non-working batteries. By indicating whether a battery was charging or not, it enabled me to identify those that were no longer functional. This feature allowed me to declutter and discard the batteries that were no longer useful, ensuring that I only used reliable and functional ones for my devices.
The build quality of the battery charger was satisfactory. It was sturdy and well-constructed, providing a sense of durability. The charger's design also featured safety mechanisms to prevent overcharging or overheating, ensuring the protection of both the batteries and the user.
In conclusion, the battery charger for 18650 batteries proved to be an invaluable tool for assessing the condition and charging capabilities of my older batteries. Its user-friendly design, ability to charge multiple batteries simultaneously, and the convenience of identifying non-working batteries made it a worthwhile investment. If you have a collection of 18650 batteries and need a reliable charger, I highly recommend considering this product. It effectively helped me revive usable batteries and discard non-functional ones, ensuring optimal performance for my devices.
Remember folks, a charger is only as safe as the batteries. Learn to recognize danger signs in batteries.
Reviewed in the United States on June 30, 2023