Tenergy TN438 16 Bay Battery Charger for AAA and AA Rechargeable Batteries, AA/AAA NiMH/NiCd Rechargeable Batteries Charger with AC Wall Adapter and Car Adapter

Suitable for both AA & AAA rechargeable NiMH batteries, this was my second purchase after many years of use. Being a well built, I have not found a single issue. An excellent product a an excellent price.

Works fast, delivers fast!

I bought this charger for my Panasonic Eneloop AA batteries, and I’m really glad I did. At around $40, it’s a bit more than I originally wanted to spend—but after using it, I feel like it was worth it. The biggest upgrade is the 16 charging bays, which is a huge step up from the basic 4-bay charger that came with my batteries. Each slot has independent monitoring and auto shutoff, which I absolutely love. The display is bright and easy to read, making it simple to check charging status at a glance. It also comes with a car adapter, which is a nice bonus—even though I probably won’t use it much on the road. It supports both NiMH and NiCD batteries, as well as AA and AAA sizes, so it’s pretty versatile. With my old 4-slot charger, it could take days to cycle through all my batteries. With this one, I can get everything done way faster. It also has a “refresh” mode, which I assume helps condition or top off batteries, along with a discharge feature—both really nice extras. Overall, I’m very happy with this charger. It’s a big upgrade in convenience and efficiency.

This battery charger is the best one I've ever purchased. It came with the charger, an AC wall plug, and a DC car plug. I have only two issues with this charger, and both are not with the charger itself. PROS: - The charger ACCURATELY charges a very large variety of batteries (speaking strictly of mAhs) simultaneously. - The display is very easy to read. - As the specifications show, it does charge each battery independently. - The discharge functionality of this charger helps maintain battery life and provides a clean charge. CONS: - The charger itself has no real cons. - The manual provided, in short, sucks. Nothing in this product tells you how to switch from CHARGING to DISCHARGING, and visa versa. Nothing in this product or manual tells you how to turn on the LCD back-light. The words on the display of this charger which conveys the state of the charging process are truncated versions of the words, CHARGE, DISCHARGE, and ERROR. I know it sounds somewhat dumb, but there are a lot of people who will not understand what ERR means. In fact, the word ERROR in itself is ambiguous enough. - Before purchasing this product, I spent a few hours hunting down the same brand but with a 9V battery charging slot. While this brand did have a few, it was with the sacrifice of a large number of AA/AAA charging slots. Additionally searching outside of this brand was of a different make and model where the specifications of such did not clarify what I was looking for, or I needed to accept a substantial downsize with a substantial increase of cost. As great of a product as this is, I did not like having to settle for this product. Over all, I love this product. It works GREAT with Tenergy Premium & Energizer batteries. I would definitely recommend this product, or even a smaller version of it to friends and family.

We needed to charge a lot of batteries and this fit the bill. Pros. Charges 16 at once and it's a smart charger so you won't overcharge. That's exactly why to get this. Cons. It has the same flaw as most smart chargers. If your battery is completely dead. It can't read it. Then it errors out. There are several tricks to get a battery in condition so this (and other) smart chargers can charge it. Quality. Mine warped and now no longer sits flat. This doesn't get in the way of charging. It's just a minor nit. Advice. You will want a better charger to deal with batteries this one can't. This shines for charging a lot of batteries. Especially for the price. On occasion a more capable charger is needed where this one would fall short.

I’ve been purchasing a chargers with a battery packs due to the reason that I fell in love with the one that we have at the School District where I work. I thought it would be awesome and they will save me money, but I regret buying this item. I’m not happy with it. I’m the batteries are no good either and the Bennett one that I just bought doesn’t charge the batteries some of the batteries work and some of the batteries don’t we have the same Bennett charger at the School District and I’ve taken all my batteries from here and the Bennett From Work works, but not at my house so I’ve been kind of confused in loss planning on trying to see if I can return everything that I have purchased.

I've been through a few of the 4 battery "advanced smart" Panasonic brand chargers... the ones that come with the enloop batteries. I always was a little dissspointed at enloop batteries because they seemed to degrade faster than they should . I had purchased a megapack of batteries in 2008, 2012, and 2018... all of which ended in a shoebox because they'd never get back above 1.2v after a year or two of use. Then I found this beast of a smart charger... after just one charge>discharge>charge cycle, even my oldest batteries are back to 100% @1.5v... and they perform even better than they did new. Now, I just bought it so I don't know if the agressive charging will shorten the lifespan of the batteries eventually.... but I wasn't using them anyway, so I consider it a major win to be able to start using my rechargable batteries again, AND not have to dedicate a day to charging / conditioning all 50 of them 4 at a time. This is a must-have for any bug-out gear-bag and major bonus.. comes wuth a 12v automotive power suply, so batch charging batteries on camping trips or road trips is easy-peasy.

This invention is engineered for real life rechargeable battery management. It will charge by simply placing the AA or AAA battery(ies) in a slot. No need to pair batteries before it will charge like most cheaper chargers. This unit will charge only one battery if that is what is needed. A status display exists for each of 16 charging spaces. If the battery(ies) need a few discharge cycles to rejuvenate, press a button. Rechargeable batteries were unwieldy before I purchased this unit. Now I can see if the rechargeable battery is charged or not or if in fact it no longer takes a charge at all. Saves money by allowing me to only keep batteries which will actually work. Never thought I would need 16 charging stations but I have filled it up at least once already to get the status of a mix of old and not so old rechargeable batteries.

Carga 16 baterias Aa o Aaa al mismo tiempo con indicador de carga , funciona bien

I like that it can charge 16 batteries at once. I'm doing event and often need lots of batteries for mics as we have different teams using different mics from headset to wireless handheld mics. Having this battery charger, I need not worry about running out of batteries.

Very nice

Charger does what it's supposed to, keeps all my batteries charged independently, few things we have noticed using the charger is it does have a quirk where depending on which slots you put the batteries in some slots seem to be tied together lighting 2 slots rather then one independent slot as it's designed to not sure if this is my unit being defective or if it does this with all of them. Also if the rechargeable batteries are close to the end of service life the charger errors out or will give up trying to charge those specific batteries, however it's to be expected just throw the batteries out if they get to that point. In all , this charger is perfect and gets the job done. I would buy again and suggest it to anyone who needs a great multi slot charger.

Great. I’ve had it for years and it still works