18650 Battery Charger
the battery safety charged,Keenstone Smart Universal Charger LCD display,the four slots information,charge curent,Rechargeable Batteries
What we analysed
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27,292 reviews
covering
50+ products
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Household Battery Chargers
Experiential insights by users
About 18650 Battery Charger
Overall Feedback:
68% positive
81% liked the high quality build, but 19% found it weak
I associate the heavier weight of the Keenstone charger with thicker plastic, better power supply or perhaps just lead weights.
Inserting any battery in slot A causes the entire unit to shut down.
One of the slots failed and it is not working.
74% praised for its fast charging speed
I was able to recharge my 10-year-old solar batteries back to 100% using the charger.
75% appreciated its compatibility with multiple devices
The Keenstone charger comes with a figure 8 shaped DC power wire that is compatible with household battery chargers.
The charger works with most batteries, including AAA up to the fat specialty ones used by some flashlights and cameras.
74% found it easy to operate, but 26% had difficulties
The charger has a great display for each slot, letting me know the current state of charging.
The option to charge at 500ma or 1,000ma is a nice feature.
Some AAA batteries don't make full contact when seated all the way in, so I have to lift them up and play with their position until they start to take a charge.
85% liked the built-in safety features, while 15% experienced issues with faulty charging
Once I insert the battery, the charger displays the level of charge and stops charging when it's full.
I was able to charge a battery that was not working using the charger, indicating that it has safety features to handle over-discharged or damaged batteries.
The charger provides a lot of information about the state of the batteries, which is a cool feature.
There is no overcharge protection on my charger.
