A great, versatile device. Only drawback is the design of the movable contacts that have to engage with and support the battery. I use it for charging 14500 lithium ion batteries - the same size as AA. Placing the batteries between the contacts and keeping them there so they charge is a bit of a balancing act. But, once you get the hang of it the charger is great. Identifies the battery, measures the charge, and does the job.Super fast for one battery.
Verified purchase: Yes | Condition: New
Awkward fitting. The batteries do not feel secure in this unit. Both ends have outward tabs (unlike other chargers that have an inward dimple on the positive end). So the batteries are really hard to get both sides to make contact. If you just plop them in, they don't make contact and do not charge. When they do make contact, they are basically hovering and the slightest touch makes them fall out of place. Weird design. This design might work for batteries that are flat on both ends. None of my NiMH or LIon are like that, though. I won't be using this charger much. Update: After charging a few Lion batteries in this, I've noticed the charger stops at 4.0V. This is a little below full charge. My other chargers take them to 4.2V, which is what they are supposed to do.
Verified purchase: Yes | Condition: New
This charger has versatility built in. It can charge a wide variety of battery types. It is very easy to use in the plug-in mode. Directions are poor as they refer to other modes and adjustments, but those instructions are not provided. Still, this unit is a good buy for the money. I have verified the state of charge in several sets of batteries and found it to deliver consistent full charges.
Verified purchase: Yes | Condition: New
I have used several other battery chargers some the light changes color when they are charged others that do not. When I received my first of this item I put every single battery I had including double a triple A and 18740 batteries. I had tried to use for of the batteries previous to receiving this charger and I thought they were charged but they weren't. After charging every single battery I had on this charger my batteries are now at full capacity and every single one of them works. I tested them after they charged. One of the biggest pluses is that it does not take long to charge batteries no matter what battery you put on it. I had a few that were completely dead and they charged within the hour. I will definitely be buying the car adapter to take with me in case of emergency when I am snow plowing.Read full review
Verified purchase: Yes | Condition: New
Charges fast, has 4 ports. Read the directions to charge your batteries faster if desired. I charge vape batteries, 3.6v/3.7v with no problems. I can set it to charge at 1.5A if I want, again read the directions, I would recommend this for anyone that wants to change vape batteries, I have not tested any other batteries, but will do in the near future. Great product.
Verified purchase: Yes | Condition: New
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